From: Xin Li <xin@zytor.com>
To: Juergen Gross <jgross@suse.com>
Cc: Gupta Pawan <pawan.kumar.gupta@linux.intel.com>,
linux-kernel@vger.kernel.org, x86@kernel.org,
Zijlstra Peter <peterz@infradead.org>,
Hansen Dave <dave.hansen@linux.intel.com>,
alexandre.chartre@oracle.com,
Andrew Cooper <andrew.cooper3@citrix.com>,
Zhang Tao1 <tao1.zhang@intel.com>
Subject: Re: [Bug Report] Linux v6.15-rc7 boot failure on Xen-4.17
Date: Wed, 28 May 2025 01:26:52 -0700 [thread overview]
Message-ID: <400ee15a-12fa-4477-ba03-123eb8e07dc2@zytor.com> (raw)
In-Reply-To: <1226c371-5d44-4206-973f-3c10152c4195@zytor.com>
[-- Attachment #1: Type: text/plain, Size: 1533 bytes --]
On 5/28/2025 12:27 AM, Xin Li wrote:
> On 5/27/2025 11:49 PM, Juergen Gross wrote:
>> On 28.05.25 07:11, Jürgen Groß wrote:
>>> On 27.05.25 21:29, Andrew Cooper wrote:
>>>> On 27/05/2025 8:21 pm, Xin Li wrote:
>>>>>> On May 27, 2025, at 11:36 AM, Jürgen Groß <jgross@suse.com> wrote:
>>>>>>
>>>>>> On 27.05.25 19:54, Xin Li wrote:
>>>>>>> On 5/27/2025 10:46 AM, Pawan Gupta wrote:
>>>>>>>>> Attached is the serial console log and my kernel config.
>>>>>>>> Serial logs aren't telling much. I do not have a Xen setup to
>>>>>>>> test, without
>>>>>>>> Xen the config that you provided is booting a KVM guest just fine.
>>>>>>> Yeah, as I replied to Juergen, the same kernel binary boots fine as
>>>>>>> "native".
>>>>>>> Unfortunately when booting as dom0 on Xen, it keeps rebooting w/o
>>>>>>> helpful log.
>>>>>> What about booting Xen on bare metal, i.e. no KVM being involved?
>>>>> The same exact problem happens on Intel Simics. And I got to see
>>>>> it’s a NX page fault in dom0 kernel during apply alternatives.
>>>>
>>>> In which case it's likely that there's an opencoded PTE update, rather
>>>> than using the hooks (which are suitably paravirt'd).
>>>
>>> I'd suspect a bug when NOT using 2M pages for execmem.
>>>
>>> I'll have a look.
>>
>> Could you have a try using "nohugevmalloc" dom0 kernel boot parameter?
>>
>
> Tried in a KVM guest, still the same problem, and nothing new in the
> serial log.
Attached is a dom0 log with stack traces.
But I really did NOT change anything to make it happen...
[-- Attachment #2: xen-ubt.serial.log --]
[-- Type: text/plain, Size: 214976 bytes --]
^[[2J^[[01;01H^[[=3h^[[2J^[[01;01H^[[2J^[[01;01H^[[=3h^[[2J^[[01;01H^[[2J^[[01;01H^[[=3h^[[2J^[[01;01HBdsDxe: loading Boot0003 "Ubuntu" from HD(1,GPT,E5042798-1CA8-4A07-AFF1-E0D08DCBD629,0x800,0x219800)/\EFI\ubuntu\shimx64.efi
BdsDxe: starting Boot0003 "Ubuntu" from HD(1,GPT,E5042798-1CA8-4A07-AFF1-E0D08DCBD629,0x800,0x219800)/\EFI\ubuntu\shimx64.efi
Poking KASLR using RDRAND RDTSC...
[ 0.000000] Linux version 6.15.0-rc7 (xin@xen-ubt) (gcc (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0, GNU ld (GNU Binutils for Ubuntu) 2.42) #69 SMP PREEMPT_DYNAMIC Wed May 28 00:39:49 PDT 2025
[ 0.000000] Command line: placeholder root=UUID=314f1cc2-aefc-438b-a423-f1c9f3327fbb ro console=ttyS0 console=tty1 nokaslr selinux=0 earlyprintk=ttyS0
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] Released 0 page(s)
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] Xen: [mem 0x0000000000000000-0x000000000002ffff] usable
[ 0.000000] Xen: [mem 0x0000000000030000-0x000000000004ffff] reserved
[ 0.000000] Xen: [mem 0x0000000000050000-0x000000000007ffff] usable
[ 0.000000] Xen: [mem 0x0000000000080000-0x00000000000fffff] reserved
[ 0.000000] Xen: [mem 0x0000000000100000-0x000000007e8ecfff] usable
[ 0.000000] Xen: [mem 0x000000007e8ed000-0x000000007eb6cfff] reserved
[ 0.000000] Xen: [mem 0x000000007eb6d000-0x000000007eb7efff] ACPI data
[ 0.000000] Xen: [mem 0x000000007eb7f000-0x000000007ebfefff] ACPI NVS
[ 0.000000] Xen: [mem 0x000000007ebff000-0x000000007effffff] usable
[ 0.000000] Xen: [mem 0x000000007f000000-0x000000007fffffff] reserved
[ 0.000000] Xen: [mem 0x00000000e0000000-0x00000000efffffff] reserved
[ 0.000000] Xen: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
[ 0.000000] Xen: [mem 0x00000000fee00000-0x00000000feefffff] reserved
[ 0.000000] Xen: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000] Xen: [mem 0x0000000100000000-0x000000047fffffff] usable
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] APIC: Static calls initialized
[ 0.000000] efi: EFI v2.7 by Ubuntu distribution of EDK II
[ 0.000000] efi: SMBIOS=0x7e9d5000 SMBIOS 3.0=0x7e9d3000 ACPI=0x7eb7e000 ACPI 2.0=0x7eb7e014 (MEMATTR=0x7d5f8198 unusable) MOKvar=0x7e980000
[ 0.000000] SMBIOS 3.0.0 present.
[ 0.000000] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 0.000000] DMI: Memory slots populated: 1/1
[ 0.000000] Hypervisor detected: Xen PV
[ 0.000029] Xen PV: Detected 28 vCPUS
[ 0.028195] tsc: Fast TSC calibration using PIT
[ 0.028197] tsc: Detected 3312.349 MHz processor
[ 0.028198] tsc: Detected 3312.086 MHz TSC
[ 0.028358] last_pfn = 0x480000 max_arch_pfn = 0x400000000
[ 0.028360] MTRR map: 2 entries (0 fixed + 2 variable; max 16), built from 8 variable MTRRs
[ 0.028361] MTRRs set to read-only
[ 0.028364] x86/PAT: Configuration [0-7]: WB WT UC- UC WC WP UC UC
[ 0.028365] last_pfn = 0x7f000 max_arch_pfn = 0x400000000
[ 0.329876] Secure boot disabled
[ 0.329878] RAMDISK: [mem 0x08000000-0x0a900fff]
[ 0.329898] ACPI: Early table checksum verification disabled
[ 0.329905] ACPI: RSDP 0x000000007EB7E014 000024 (v02 BOCHS )
[ 0.329911] ACPI: XSDT 0x000000007EB7D0E8 00004C (v01 BOCHS BXPC 00000001 01000013)
[ 0.329919] ACPI: FACP 0x000000007EB78000 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.329928] ACPI: DSDT 0x000000007EB79000 003396 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.329933] ACPI: FACS 0x000000007EBDD000 000040
[ 0.329939] ACPI: APIC 0x000000007EB77000 000150 (v03 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.329944] ACPI: MCFG 0x000000007EB76000 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.329949] ACPI: WAET 0x000000007EB75000 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.329958] ACPI: BGRT 0x000000007EB74000 000038 (v01 INTEL EDK2 00000002 01000013)
[ 0.329961] ACPI: Reserving FACP table memory at [mem 0x7eb78000-0x7eb780f3]
[ 0.329962] ACPI: Reserving DSDT table memory at [mem 0x7eb79000-0x7eb7c395]
[ 0.329963] ACPI: Reserving FACS table memory at [mem 0x7ebdd000-0x7ebdd03f]
[ 0.329964] ACPI: Reserving APIC table memory at [mem 0x7eb77000-0x7eb7714f]
[ 0.329964] ACPI: Reserving MCFG table memory at [mem 0x7eb76000-0x7eb7603b]
[ 0.329964] ACPI: Reserving WAET table memory at [mem 0x7eb75000-0x7eb75027]
[ 0.329965] ACPI: Reserving BGRT table memory at [mem 0x7eb74000-0x7eb74037]
[ 0.330046] APIC: Switched APIC routing to: Xen PV
[ 0.330065] NUMA turned off
[ 0.330066] Faking a node at [mem 0x0000000000000000-0x000000047fffffff]
[ 0.330071] NODE_DATA(0) allocated [mem 0x3ec5422c0-0x3ec56cfff]
[ 0.358207] Zone ranges:
[ 0.358208] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.358210] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.358211] Normal [mem 0x0000000100000000-0x000000047fffffff]
[ 0.358212] Device empty
[ 0.358213] Movable zone start for each node
[ 0.358214] Early memory node ranges
[ 0.358215] node 0: [mem 0x0000000000001000-0x000000000002ffff]
[ 0.358216] node 0: [mem 0x0000000000050000-0x000000000007ffff]
[ 0.358216] node 0: [mem 0x0000000000100000-0x000000007e8ecfff]
[ 0.358217] node 0: [mem 0x000000007ebff000-0x000000007effffff]
[ 0.358218] node 0: [mem 0x0000000100000000-0x000000047fffffff]
[ 0.358220] Initmem setup node 0 [mem 0x0000000000001000-0x000000047fffffff]
[ 0.358225] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.358226] On node 0, zone DMA: 32 pages in unavailable ranges
[ 0.358245] On node 0, zone DMA: 128 pages in unavailable ranges
[ 0.360597] On node 0, zone DMA32: 786 pages in unavailable ranges
[ 0.446889] On node 0, zone Normal: 4096 pages in unavailable ranges
[ 0.446897] p2m virtual area at (____ptrval____), size is 40000000
[ 0.908250] Remapped 529330 page(s)
[ 0.908254] Remapped 0 non-RAM page(s)
[ 0.909448] ACPI: PM-Timer IO Port: 0x608
[ 0.909471] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.909504] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.909509] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.909510] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.909511] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.909512] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.909513] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.909519] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.909526] CPU topo: Max. logical packages: 28
[ 0.909527] CPU topo: Max. logical dies: 28
[ 0.909527] CPU topo: Max. dies per package: 1
[ 0.909530] CPU topo: Max. threads per core: 1
[ 0.909531] CPU topo: Num. cores per package: 1
[ 0.909531] CPU topo: Num. threads per package: 1
[ 0.909532] CPU topo: Allowing 28 present CPUs plus 0 hotplug CPUs
[ 0.909560] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.909562] PM: hibernation: Registered nosave memory: [mem 0x00030000-0x0004ffff]
[ 0.909563] PM: hibernation: Registered nosave memory: [mem 0x00080000-0x000fffff]
[ 0.909564] PM: hibernation: Registered nosave memory: [mem 0x7e8ed000-0x7ebfefff]
[ 0.909565] PM: hibernation: Registered nosave memory: [mem 0x7f000000-0xffffffff]
[ 0.909566] [mem 0x80000000-0xdfffffff] available for PCI devices
[ 0.909568] Booting kernel on Xen
[ 0.909569] Xen version: 4.17.4-pre (preserve-AD)
[ 0.909571] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns
[ 0.909587] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:28 nr_cpu_ids:28 nr_node_ids:1
[ 0.914534] percpu: Embedded 61 pages/cpu s212992 r8192 d28672 u262144
[ 0.914615] Kernel command line: placeholder root=UUID=314f1cc2-aefc-438b-a423-f1c9f3327fbb ro console=ttyS0 console=tty1 nokaslr selinux=0 earlyprintk=ttyS0
[ 0.914704] Unknown kernel command line parameters "placeholder nokaslr", will be passed to user space.
[ 0.914714] random: crng init done
[ 0.914715] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes
[ 0.924101] Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes, linear)
[ 0.929098] Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[ 0.930588] software IO TLB: area num 32.
[ 0.986637] Fallback order for Node 0: 0
[ 0.986648] Built 1 zonelists, mobility grouping on. Total pages: 4189261
[ 0.986649] Policy zone: Normal
[ 0.986660] mem auto-init: stack:off, heap alloc:on, heap free:off
[ 1.025659] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=28, Nodes=1
[ 1.035559] ftrace: allocating 53425 entries in 212 pages
[ 1.035561] ftrace: allocated 212 pages with 4 groups
[ 1.035925] Dynamic Preempt: full
[ 1.036380] rcu: Preemptible hierarchical RCU implementation.
[ 1.036381] rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=28.
[ 1.036383] Trampoline variant of Tasks RCU enabled.
[ 1.036383] Rude variant of Tasks RCU enabled.
[ 1.036383] Tracing variant of Tasks RCU enabled.
[ 1.036384] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[ 1.036384] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=28
[ 1.036441] RCU Tasks: Setting shift to 5 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=28.
[ 1.036444] RCU Tasks Rude: Setting shift to 5 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=28.
[ 1.036447] RCU Tasks Trace: Setting shift to 5 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=28.
[ 1.042537] NR_IRQS: 524544, nr_irqs: 648, preallocated irqs: 16
[ 1.042663] xen:events: Using FIFO-based ABI
[ 1.042736] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 1.042954] Console: colour dummy device 80x25
[ 1.042957] printk: legacy console [tty1] enabled
[ 1.043107] printk: legacy console [hvc0] enabled
[ 1.043367] printk: legacy console [ttyS0] enabled
[ 1.186495] ACPI: Core revision 20240827
[ 1.187016] ACPI BIOS Warning (bug): Incorrect checksum in table [BGRT] - 0x92, should be 0x48 (20240827/utcksum-58)
[ 1.188256] clocksource: xen: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 1.189418] installing Xen timer for CPU 0
[ 1.189922] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x2fbde5c637c, max_idle_ns: 440795348348 ns
[ 1.191108] Calibrating delay loop (skipped), value calculated using timer frequency.. 6624.17 BogoMIPS (lpj=13248344)
[ 1.192516] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[ 1.193115] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[ 1.193774] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 1.195117] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit
[ 1.196005] Spectre V2 : Mitigation: Enhanced / Automatic IBRS
[ 1.196653] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT
[ 1.197445] RETBleed: Mitigation: Enhanced IBRS
[ 1.197935] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 1.198828] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 1.199117] MMIO Stale Data: Mitigation: Clear CPU buffers
[ 1.199717] ITS: Mitigation: Aligned branch/return thunks
[ 1.200343] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 1.201154] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 1.201832] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 1.202512] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask'
[ 1.203111] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256'
[ 1.203807] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256'
[ 1.204537] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 1.206719] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64
[ 1.207112] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512
[ 1.207840] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024
[ 1.208586] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format.
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000769
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#1] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000769
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc <ff> e2 cc ff e0 cc ff e0 cc 41 ff e4 cc 41 ff e4 cc 41 ff e4 cc cc
[ 1.211106] RSP: e02b:ffffc90040003e28 EFLAGS: 00010082
[ 1.211106] RAX: 0000000000000000 RBX: ffff88846d01a300 RCX: ffff888100288608
[ 1.211106] RDX: ffffffff8147a340 RSI: ffffffff82a2ffa7 RDI: ffff88846d01a300
[ 1.211106] RBP: ffffc90040003e38 R08: ffff888100288600 R09: 0000000000000000
[ 1.211106] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff82f404a0
[ 1.211106] R13: 0000000000000000 R14: 0000000000000018 R15: ffff888100320400
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000769 CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] handle_irq_event_percpu+0x18/0x50
[ 1.211106] handle_percpu_irq+0x59/0x80
[ 1.211106] handle_irq_desc+0x3e/0x60
[ 1.211106] generic_handle_irq+0x23/0x30
[ 1.211106] handle_irq_for_port+0x4d/0x100
[ 1.211106] __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] RIP: e030:insn_get_opcode+0x60/0x290
[ 1.211106] Code: 01 48 39 43 60 0f 82 66 01 00 00 44 0f b6 22 80 7b 04 00 48 89 43 68 c6 43 1d 01 44 88 63 18 0f 84 9e 00 00 00 8b 43 10 85 c0 <0f> 84 b4 00 00 00 0f b6 53 15 0f b6 43 11 80 fa 02 0f 84 ad 01 00
[ 1.211106] RSP: e02b:ffffffff82c03c80 EFLAGS: 00000246
[ 1.211106] RAX: 0000000000000000 RBX: ffffffff82c03d30 RCX: ffffffff81b0fc2d
[ 1.211106] RDX: ffffffff81b0fc2c RSI: ffffffff81b0fc3b RDI: 00000000000000e8
[ 1.211106] RBP: ffffffff82c03c98 R08: ffffffff8257d045 R09: ffffffff81b0fc2d
[ 1.211106] R10: ffffffff81b0fc2c R11: ffffea000400b9c0 R12: 00000000000000e8
[ 1.211106] R13: ffffffff82c03da0 R14: 0000000000000005 R15: ffffffff83203280
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] insn_get_modrm+0x25/0x100
[ 1.211106] insn_get_displacement+0xa7/0x160
[ 1.211106] insn_get_immediate+0x23/0x340
[ 1.211106] insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] alternative_instructions+0x38/0x140
[ 1.211106] arch_cpu_finalize_init+0x125/0x190
[ 1.211106] start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] x86_64_start_reservations+0x1c/0x30
[ 1.211106] xen_start_kernel+0x581/0x700
[ 1.211106] startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#2] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040003b68 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040003bb0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040003ba0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040003a30 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040003bb0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000769
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc <ff> e2 cc ff e0 cc ff e0 cc 41 ff e4 cc 41 ff e4 cc 41 ff e4 cc cc
[ 1.211106] RSP: e02b:ffffc90040003e28 EFLAGS: 00010082
[ 1.211106] RAX: 0000000000000000 RBX: ffff88846d01a300 RCX: ffff888100288608
[ 1.211106] RDX: ffffffff8147a340 RSI: ffffffff82a2ffa7 RDI: ffff88846d01a300
[ 1.211106] RBP: ffffc90040003e38 R08: ffff888100288600 R09: 0000000000000000
[ 1.211106] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff82f404a0
[ 1.211106] R13: 0000000000000000 R14: 0000000000000018 R15: ffff888100320400
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#3] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc900400038a8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc900400038f0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc900400038e0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040003770 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc900400038f0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040003b68 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040003bb0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040003ba0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040003a30 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040003bb0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#4] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc900400035e8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040003630 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040003620 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400034b0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040003630 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc900400038a8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc900400038f0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc900400038e0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040003770 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc900400038f0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#5] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040003328 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040003370 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040003360 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400031f0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040003370 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc900400035e8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040003630 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040003620 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400034b0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040003630 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#6] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040003068 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc900400030b0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc900400030a0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040002f30 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc900400030b0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040003328 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040003370 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040003360 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400031f0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040003370 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#7] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040002da8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040002df0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040002de0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040002c70 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040002df0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040003068 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc900400030b0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc900400030a0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040002f30 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc900400030b0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#8] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040002ae8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040002b30 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040002b20 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400029b0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040002b30 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040002da8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040002df0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040002de0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040002c70 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040002df0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#9] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040002828 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040002870 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040002860 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400026f0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040002870 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040002ae8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040002b30 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040002b20 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400029b0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040002b30 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#10] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040002568 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc900400025b0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc900400025a0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040002430 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc900400025b0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040002828 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040002870 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040002860 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400026f0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040002870 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#11] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc900400022a8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc900400022f0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc900400022e0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040002170 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc900400022f0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040002568 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc900400025b0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc900400025a0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040002430 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc900400025b0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#12] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040001fe8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040002030 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040002020 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040001eb0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040002030 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc900400022a8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc900400022f0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc900400022e0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040002170 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc900400022f0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#13] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040001d28 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040001d70 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040001d60 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040001bf0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040001d70 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040001fe8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040002030 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040002020 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040001eb0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040002030 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#14] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040001a68 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040001ab0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040001aa0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040001930 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040001ab0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040001d28 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040001d70 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040001d60 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040001bf0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040001d70 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#15] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc900400017a8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc900400017f0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc900400017e0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040001670 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc900400017f0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040001a68 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040001ab0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040001aa0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040001930 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040001ab0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#16] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc900400014e8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040001530 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040001520 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400013b0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040001530 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc900400017a8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc900400017f0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc900400017e0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040001670 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc900400017f0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#17] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040001228 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040001270 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040001260 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400010f0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040001270 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc900400014e8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040001530 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040001520 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400013b0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040001530 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#18] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040000f68 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040000fb0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040000fa0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040000e30 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040000fb0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040001228 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040001270 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040001260 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc900400010f0 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040001270 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#19] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040000ca8 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040000cf0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040000ce0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040000b70 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040000cf0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] FS: 0000000000000000(0000) GS:ffff8884e9c2e000(0000) knlGS:0000000000000000
[ 1.211106] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.211106] CR2: ffffffffc0000bac CR3: 0000000002c4a000 CR4: 0000000000050660
[ 1.211106] Call Trace:
[ 1.211106] <IRQ>
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] notify_die+0x50/0x80
[ 1.211106] __die+0x55/0x70
[ 1.211106] page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] bad_area_nosemaphore+0x16/0x20
[ 1.211106] do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] exc_page_fault+0x1b5/0x1c0
[ 1.211106] asm_exc_page_fault+0x2b/0x30
[ 1.211106] RIP: e030:0xffffffffc0000bac
[ 1.211106] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc <ff> e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc ff e0 cc cc cc cc cc
[ 1.211106] RSP: e02b:ffffc90040000f68 EFLAGS: 00010086
[ 1.211106] RAX: ffffffff81305d20 RBX: ffffffff82dd3c00 RCX: 00000000ffffffff
[ 1.211106] RDX: ffffc90040000fb0 RSI: 0000000000000001 RDI: ffffffff82de0390
[ 1.211106] RBP: ffffc90040000fa0 R08: 0000000000000000 R09: 000000000000000b
[ 1.211106] R10: ffffc90040000e30 R11: ffffffff82d65d08 R12: 0000000000000000
[ 1.211106] R13: ffffc90040000fb0 R14: ffffffff82de0390 R15: 00000000ffffffff
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_hw_breakpoint_exceptions_notify+0x10/0x10
[ 1.211106] ? notifier_call_chain+0x65/0xd0
[ 1.211106] ? notify_die+0x50/0x80
[ 1.211106] ? __die+0x55/0x70
[ 1.211106] ? page_fault_oops+0x15e/0x490
[ 1.211106] ? search_exception_tables+0x64/0x70
[ 1.211106] ? fixup_exception+0x32/0x3c0
[ 1.211106] ? kernelmode_fixup_or_oops.isra.0+0x5f/0x70
[ 1.211106] ? __bad_area_nosemaphore+0x175/0x240
[ 1.211106] ? __raw_callee_save_xen_pmd_val+0x19/0x30
[ 1.211106] ? bad_area_nosemaphore+0x16/0x20
[ 1.211106] ? do_kern_addr_fault.part.0+0x6e/0x80
[ 1.211106] ? exc_page_fault+0x1b5/0x1c0
[ 1.211106] ? asm_exc_page_fault+0x2b/0x30
[ 1.211106] ? __pfx_tick_handle_periodic+0x10/0x10
[ 1.211106] ? xen_timer_interrupt+0x31/0x40
[ 1.211106] ? __handle_irq_event_percpu+0x4c/0x1d0
[ 1.211106] ? handle_irq_event_percpu+0x18/0x50
[ 1.211106] ? handle_percpu_irq+0x59/0x80
[ 1.211106] ? handle_irq_desc+0x3e/0x60
[ 1.211106] ? generic_handle_irq+0x23/0x30
[ 1.211106] ? handle_irq_for_port+0x4d/0x100
[ 1.211106] ? __evtchn_fifo_handle_events+0x174/0x1c0
[ 1.211106] ? evtchn_fifo_handle_events+0x12/0x20
[ 1.211106] ? xen_evtchn_do_upcall+0x7a/0xd0
[ 1.211106] ? __xen_pv_evtchn_do_upcall+0x47/0x70
[ 1.211106] ? xen_pv_evtchn_do_upcall+0xe6/0x110
[ 1.211106] </IRQ>
[ 1.211106] <TASK>
[ 1.211106] ? exc_xen_hypervisor_callback+0x8/0x20
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? insn_get_opcode+0x60/0x290
[ 1.211106] ? insn_get_modrm+0x25/0x100
[ 1.211106] ? insn_get_displacement+0xa7/0x160
[ 1.211106] ? insn_get_immediate+0x23/0x340
[ 1.211106] ? insn_decode+0x62/0x80
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? apply_retpolines+0x59/0x6c0
[ 1.211106] ? pci_remove_bus+0x6c/0x90
[ 1.211106] ? pci_remove_bus+0x7b/0x90
[ 1.211106] ? pci_remove_bus+0x6d/0x90
[ 1.211106] ? unregister_die_notifier+0x47/0x60
[ 1.211106] ? alternative_instructions+0x38/0x140
[ 1.211106] ? arch_cpu_finalize_init+0x125/0x190
[ 1.211106] ? start_kernel+0x6d3/0xab0
[ 1.211106] ? sme_unmap_bootdata+0x18/0x70
[ 1.211106] ? x86_64_start_reservations+0x1c/0x30
[ 1.211106] ? xen_start_kernel+0x581/0x700
[ 1.211106] ? startup_xen+0x1b/0x20
[ 1.211106] </TASK>
[ 1.211106] Modules linked in:
[ 1.211106] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 1.211106] BUG: unable to handle page fault for address: ffffffffc0000bac
[ 1.211106] #PF: supervisor instruction fetch in kernel mode
[ 1.211106] #PF: error_code(0x0011) - permissions violation
[ 1.211106] PGD 2c4f067 P4D 2c4f067 PUD 2c51067 PMD 1002e4067 PTE 80100001002e3067
[ 1.211106] Oops: Oops: 0011 [#20] SMP NOPTI
[ 1.211106] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7 #69 PREEMPT(full)
[ 1.211106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024
^[[2J^[[01;01H^[[=3h^[[2J^[[01;01H^[[2J^[[01;01H^[[=3h^[[2J^[[01;01H^[[2J^[[01;01H^[[=3h^[[2J^[[01;01HBdsDxe: loading Boot0003 "Ubuntu" from HD(1,GPT,E5042798-1CA8-4A07-AFF1-E0D08DCBD629,0x800,0x219800)/\EFI\ubuntu\shimx64.efi
BdsDxe: starting Boot0003 "Ubuntu" from HD(1,GPT,E5042798-1CA8-4A07-AFF1-E0D08DCBD629,0x800,0x219800)/\EFI\ubuntu\shimx64.efi
next prev parent reply other threads:[~2025-05-28 8:27 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-25 4:42 [Bug Report] Linux v6.15-rc7 boot failure on Xen-4.17 Xin Li
2025-05-25 6:58 ` Jürgen Groß
2025-05-25 8:34 ` Xin Li
2025-05-27 17:46 ` Pawan Gupta
2025-05-27 17:54 ` Xin Li
2025-05-27 18:35 ` Jürgen Groß
2025-05-27 19:21 ` Xin Li
2025-05-27 19:29 ` Andrew Cooper
2025-05-28 5:11 ` Jürgen Groß
2025-05-28 6:49 ` Juergen Gross
2025-05-28 7:27 ` Xin Li
2025-05-28 8:26 ` Xin Li [this message]
2025-05-28 8:57 ` Jürgen Groß
2025-05-28 9:19 ` Juergen Gross
2025-05-28 21:53 ` Gupta Pawan
2025-05-29 6:02 ` Jürgen Groß
2025-05-28 8:39 ` Jürgen Groß
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