From: kernel test robot <oliver.sang@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>, <oliver.sang@intel.com>
Subject: [tglx-devel:irq/msi] [PCI/MSI] a8be37c8af: BUG:KASAN:null-ptr-deref_in_msi_domain_first_desc
Date: Wed, 26 Mar 2025 15:15:36 +0800 [thread overview]
Message-ID: <202503261445.60275df-lkp@intel.com> (raw)
Hello,
kernel test robot noticed "BUG:KASAN:null-ptr-deref_in_msi_domain_first_desc" on:
commit: a8be37c8af2b8bf23f9f61bcf200a0a0f5a5c60d ("PCI/MSI: Switch msix_capability_init() to guard(msi_desc_lock)")
https://git.kernel.org/cgit/linux/kernel/git/tglx/devel.git irq/msi
in testcase: perf-fuzzer
version: perf-fuzzer-x86_64-a052241-1_20241227
with following parameters:
runtime: 1h
config: x86_64-rhel-9.4-bpf
compiler: gcc-12
test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (Haswell) with 16G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202503261445.60275df-lkp@intel.com
[ 8.193820][ T1] BUG: KASAN: null-ptr-deref in msi_domain_first_desc (kernel/irq/msi.c:391)
[ 8.193820][ T1] Read of size 8 at addr 0000000000000440 by task swapper/0/1
[ 8.193820][ T1]
[ 8.193820][ T1] CPU: 6 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.14.0-rc4-00011-ga8be37c8af2b #1
[ 8.193820][ T1] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013
[ 8.193820][ T1] Call Trace:
[ 8.193820][ T1] <TASK>
[ 8.193820][ T1] dump_stack_lvl (lib/dump_stack.c:124)
[ 8.193820][ T1] kasan_report (mm/kasan/report.c:636)
[ 8.193820][ T1] ? msi_domain_first_desc (kernel/irq/msi.c:391)
[ 8.193820][ T1] msi_domain_first_desc (kernel/irq/msi.c:391)
[ 8.193820][ T1] __pci_enable_msix_range (drivers/pci/msi/msi.c:647 drivers/pci/msi/msi.c:687 drivers/pci/msi/msi.c:698 drivers/pci/msi/msi.c:738 drivers/pci/msi/msi.c:844)
[ 8.193820][ T1] ? __pfx___pci_enable_msix_range (drivers/pci/msi/msi.c:791)
[ 8.193820][ T1] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:716)
[ 8.193820][ T1] ? __kmalloc_cache_noprof (include/trace/events/kmem.h:54 mm/slub.c:4323)
[ 8.193820][ T1] e1000e_set_interrupt_capability (drivers/net/ethernet/intel/e1000e/netdev.c:2067)
[ 8.193820][ T1] e1000_sw_init (include/linux/slab.h:901 include/linux/slab.h:1037 drivers/net/ethernet/intel/e1000e/netdev.c:2633 drivers/net/ethernet/intel/e1000e/netdev.c:4448)
[ 8.193820][ T1] e1000_probe (include/linux/dma-mapping.h:502 drivers/net/ethernet/intel/e1000/e1000_main.c:1001)
[ 8.193820][ T1] ? __pfx_e1000_probe (drivers/net/ethernet/intel/e1000/e1000_main.c:921)
[ 8.193820][ T1] ? hlock_conflict (kernel/locking/lockdep.c:234 kernel/locking/lockdep.c:223 kernel/locking/lockdep.c:2033)
[ 8.193820][ T1] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408)
[ 8.193820][ T1] ? _raw_spin_unlock_irqrestore (arch/x86/include/asm/irqflags.h:42 arch/x86/include/asm/irqflags.h:97 arch/x86/include/asm/irqflags.h:155 include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[ 8.193820][ T1] ? __pfx_e1000_probe (drivers/net/ethernet/intel/e1000/e1000_main.c:921)
[ 8.193820][ T1] local_pci_probe (drivers/pci/pci-driver.c:325)
[ 8.193820][ T1] pci_call_probe (drivers/pci/pci-driver.c:392)
[ 8.193820][ T1] ? __pfx_pci_call_probe (drivers/pci/pci-driver.c:352)
[ 8.193820][ T1] ? pci_match_device (drivers/pci/pci-driver.c:159)
[ 8.193820][ T1] ? pci_match_device (drivers/pci/pci-driver.c:166)
[ 8.193820][ T1] pci_device_probe (drivers/pci/pci-driver.c:452)
[ 8.193820][ T1] ? driver_sysfs_add (drivers/base/dd.c:451)
[ 8.193820][ T1] really_probe (drivers/base/dd.c:581 drivers/base/dd.c:658)
[ 8.193820][ T1] __driver_probe_device (drivers/base/dd.c:800)
[ 8.193820][ T1] driver_probe_device (drivers/base/dd.c:831)
[ 8.193820][ T1] __driver_attach (drivers/base/dd.c:1217)
[ 8.193820][ T1] ? __pfx___driver_attach (drivers/base/dd.c:1157)
[ 8.193820][ T1] bus_for_each_dev (drivers/base/bus.c:369)
[ 8.193820][ T1] ? __pfx_bus_for_each_dev (drivers/base/bus.c:358)
[ 8.193820][ T1] ? bus_add_driver (drivers/base/bus.c:677)
[ 8.193820][ T1] bus_add_driver (drivers/base/bus.c:679)
[ 8.193820][ T1] driver_register (drivers/base/driver.c:250)
[ 8.193820][ T1] ? __pfx_e1000_init_module (drivers/net/ethernet/intel/e1000/e1000_main.c:218)
[ 8.193820][ T1] do_one_initcall (init/main.c:1257)
[ 8.193820][ T1] ? __pfx_do_one_initcall (init/main.c:1248)
[ 8.193820][ T1] ? parse_one (kernel/params.c:139)
[ 8.193820][ T1] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:716)
[ 8.193820][ T1] ? __kmalloc_noprof (include/trace/events/kmem.h:54 mm/slub.c:4295 mm/slub.c:4306)
[ 8.193820][ T1] ? do_initcalls (init/main.c:1329)
[ 8.193820][ T1] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:716)
[ 8.193820][ T1] do_initcalls (init/main.c:1318 init/main.c:1335)
[ 8.193820][ T1] kernel_init_freeable (init/main.c:1572)
[ 8.193820][ T1] ? __pfx_kernel_init (init/main.c:1449)
[ 8.193820][ T1] kernel_init (init/main.c:1459)
[ 8.193820][ T1] ? _raw_spin_unlock_irq (arch/x86/include/asm/irqflags.h:42 arch/x86/include/asm/irqflags.h:97 include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202)
[ 8.193820][ T1] ret_from_fork (arch/x86/kernel/process.c:154)
[ 8.193820][ T1] ? __pfx_kernel_init (init/main.c:1449)
[ 8.193820][ T1] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
[ 8.193820][ T1] </TASK>
[ 8.193820][ T1] ==================================================================
[ 8.490086][ T1] Disabling lock debugging due to kernel taint
[ 8.496129][ T1] BUG: kernel NULL pointer dereference, address: 0000000000000440
[ 8.501846][ T1] #PF: supervisor read access in kernel mode
[ 8.508881][ T1] #PF: error_code(0x0000) - not-present page
[ 8.514834][ T1] PGD 0 P4D 0
[ 8.517840][ T1] Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
[ 8.523827][ T1] CPU: 6 UID: 0 PID: 1 Comm: swapper/0 Tainted: G B 6.14.0-rc4-00011-ga8be37c8af2b #1
[ 8.533874][ T1] Tainted: [B]=BAD_PAGE
[ 8.538874][ T1] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013
[ 8.546850][ T1] RIP: 0010:msi_domain_first_desc (kernel/irq/msi.c:391)
[ 8.550850][ T1] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 41 54 41 89 d4 55 89 f5 53 48 89 fb 48 81 c7 78 03 00 00 e8 a3 78 44 00 <48> 8b 9b 78 03 00 00 48 85 db 74 58 85 ed 75 54 48 c7 c7 14 70 71
All code
========
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
12: 41 54 push %r12
14: 41 89 d4 mov %edx,%r12d
17: 55 push %rbp
18: 89 f5 mov %esi,%ebp
1a: 53 push %rbx
1b: 48 89 fb mov %rdi,%rbx
1e: 48 81 c7 78 03 00 00 add $0x378,%rdi
25: e8 a3 78 44 00 call 0x4478cd
2a:* 48 8b 9b 78 03 00 00 mov 0x378(%rbx),%rbx <-- trapping instruction
31: 48 85 db test %rbx,%rbx
34: 74 58 je 0x8e
36: 85 ed test %ebp,%ebp
38: 75 54 jne 0x8e
3a: 48 rex.W
3b: c7 .byte 0xc7
3c: c7 (bad)
3d: 14 70 adc $0x70,%al
3f: 71 .byte 0x71
Code starting with the faulting instruction
===========================================
0: 48 8b 9b 78 03 00 00 mov 0x378(%rbx),%rbx
7: 48 85 db test %rbx,%rbx
a: 74 58 je 0x64
c: 85 ed test %ebp,%ebp
e: 75 54 jne 0x64
10: 48 rex.W
11: c7 .byte 0xc7
12: c7 (bad)
13: 14 70 adc $0x70,%al
15: 71 .byte 0x71
[ 8.570843][ T1] RSP: 0000:ffff888100c1f7a8 EFLAGS: 00010282
[ 8.577865][ T1] RAX: 0000000000000001 RBX: 00000000000000c8 RCX: ffffffff81344a16
[ 8.586005][ T1] RDX: fffffbfff0cf9041 RSI: 0000000000000008 RDI: ffffffff867c8200
[ 8.591849][ T1] RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0cf9040
[ 8.601846][ T1] R10: ffffffff867c8207 R11: 0000000000000001 R12: 0000000000000000
[ 8.608847][ T1] R13: ffff888103b8e06e R14: 0000000000000000 R15: ffff888103b8e0c8
[ 8.616848][ T1] FS: 0000000000000000(0000) GS:ffff888361b00000(0000) knlGS:0000000000000000
[ 8.625856][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.631844][ T1] CR2: 0000000000000440 CR3: 000000041a46e001 CR4: 00000000001706f0
[ 8.640869][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8.647845][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8.656854][ T1] Call Trace:
[ 8.659849][ T1] <TASK>
[ 8.661844][ T1] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434)
[ 8.665870][ T1] ? page_fault_oops (arch/x86/mm/fault.c:714)
[ 8.670865][ T1] ? exc_page_fault (arch/x86/include/asm/irqflags.h:26 arch/x86/include/asm/irqflags.h:87 arch/x86/include/asm/irqflags.h:147 arch/x86/mm/fault.c:1488 arch/x86/mm/fault.c:1538)
[ 8.675874][ T1] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:574)
[ 8.680845][ T1] ? add_taint (arch/x86/include/asm/bitops.h:60 include/asm-generic/bitops/instrumented-atomic.h:29 kernel/panic.c:605)
[ 8.684842][ T1] ? msi_domain_first_desc (kernel/irq/msi.c:391)
[ 8.689846][ T1] ? msi_domain_first_desc (kernel/irq/msi.c:391)
[ 8.694839][ T1] __pci_enable_msix_range (drivers/pci/msi/msi.c:647 drivers/pci/msi/msi.c:687 drivers/pci/msi/msi.c:698 drivers/pci/msi/msi.c:738 drivers/pci/msi/msi.c:844)
[ 8.699849][ T1] ? __pfx___pci_enable_msix_range (drivers/pci/msi/msi.c:791)
[ 8.703895][ T1] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:716)
[ 8.709843][ T1] ? __kmalloc_cache_noprof (include/trace/events/kmem.h:54 mm/slub.c:4323)
[ 8.714844][ T1] e1000e_set_interrupt_capability (drivers/net/ethernet/intel/e1000e/netdev.c:2067)
[ 8.721874][ T1] e1000_sw_init (include/linux/slab.h:901 include/linux/slab.h:1037 drivers/net/ethernet/intel/e1000e/netdev.c:2633 drivers/net/ethernet/intel/e1000e/netdev.c:4448)
[ 8.726846][ T1] e1000_probe (include/linux/dma-mapping.h:502 drivers/net/ethernet/intel/e1000/e1000_main.c:1001)
[ 8.730845][ T1] ? __pfx_e1000_probe (drivers/net/ethernet/intel/e1000/e1000_main.c:921)
[ 8.734883][ T1] ? hlock_conflict (kernel/locking/lockdep.c:234 kernel/locking/lockdep.c:223 kernel/locking/lockdep.c:2033)
[ 8.740848][ T1] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408)
[ 8.745845][ T1] ? _raw_spin_unlock_irqrestore (arch/x86/include/asm/irqflags.h:42 arch/x86/include/asm/irqflags.h:97 arch/x86/include/asm/irqflags.h:155 include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[ 8.750839][ T1] ? __pfx_e1000_probe (drivers/net/ethernet/intel/e1000/e1000_main.c:921)
[ 8.756845][ T1] local_pci_probe (drivers/pci/pci-driver.c:325)
[ 8.760842][ T1] pci_call_probe (drivers/pci/pci-driver.c:392)
[ 8.764880][ T1] ? __pfx_pci_call_probe (drivers/pci/pci-driver.c:352)
[ 8.770845][ T1] ? pci_match_device (drivers/pci/pci-driver.c:159)
[ 8.774845][ T1] ? pci_match_device (drivers/pci/pci-driver.c:166)
[ 8.780843][ T1] pci_device_probe (drivers/pci/pci-driver.c:452)
[ 8.782886][ T1] ? driver_sysfs_add (drivers/base/dd.c:451)
[ 8.788844][ T1] really_probe (drivers/base/dd.c:581 drivers/base/dd.c:658)
[ 8.794875][ T1] __driver_probe_device (drivers/base/dd.c:800)
[ 8.799888][ T1] driver_probe_device (drivers/base/dd.c:831)
[ 8.804882][ T1] __driver_attach (drivers/base/dd.c:1217)
[ 8.808838][ T1] ? __pfx___driver_attach (drivers/base/dd.c:1157)
[ 8.814884][ T1] bus_for_each_dev (drivers/base/bus.c:369)
[ 8.818845][ T1] ? __pfx_bus_for_each_dev (drivers/base/bus.c:358)
[ 8.823864][ T1] ? bus_add_driver (drivers/base/bus.c:677)
[ 8.828881][ T1] bus_add_driver (drivers/base/bus.c:679)
[ 8.833867][ T1] driver_register (drivers/base/driver.c:250)
[ 8.838867][ T1] ? __pfx_e1000_init_module (drivers/net/ethernet/intel/e1000/e1000_main.c:218)
[ 8.843898][ T1] do_one_initcall (init/main.c:1257)
[ 8.848877][ T1] ? __pfx_do_one_initcall (init/main.c:1248)
[ 8.853866][ T1] ? parse_one (kernel/params.c:139)
[ 8.857844][ T1] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:716)
[ 8.862895][ T1] ? __kmalloc_noprof (include/trace/events/kmem.h:54 mm/slub.c:4295 mm/slub.c:4306)
[ 8.868070][ T1] ? do_initcalls (init/main.c:1329)
[ 8.871843][ T1] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:716)
[ 8.876854][ T1] do_initcalls (init/main.c:1318 init/main.c:1335)
[ 8.878854][ T1] kernel_init_freeable (init/main.c:1572)
[ 8.884842][ T1] ? __pfx_kernel_init (init/main.c:1449)
[ 8.888842][ T1] kernel_init (init/main.c:1459)
[ 8.894852][ T1] ? _raw_spin_unlock_irq (arch/x86/include/asm/irqflags.h:42 arch/x86/include/asm/irqflags.h:97 include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202)
[ 8.899841][ T1] ret_from_fork (arch/x86/kernel/process.c:154)
[ 8.903847][ T1] ? __pfx_kernel_init (init/main.c:1449)
[ 8.908854][ T1] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
[ 8.913840][ T1] </TASK>
[ 8.916855][ T1] Modules linked in:
[ 8.920848][ T1] CR2: 0000000000000440
[ 8.924853][ T1] ---[ end trace 0000000000000000 ]---
[ 8.927853][ T1] RIP: 0010:msi_domain_first_desc (kernel/irq/msi.c:391)
[ 8.935890][ T1] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 41 54 41 89 d4 55 89 f5 53 48 89 fb 48 81 c7 78 03 00 00 e8 a3 78 44 00 <48> 8b 9b 78 03 00 00 48 85 db 74 58 85 ed 75 54 48 c7 c7 14 70 71
All code
========
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
12: 41 54 push %r12
14: 41 89 d4 mov %edx,%r12d
17: 55 push %rbp
18: 89 f5 mov %esi,%ebp
1a: 53 push %rbx
1b: 48 89 fb mov %rdi,%rbx
1e: 48 81 c7 78 03 00 00 add $0x378,%rdi
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250326/202503261445.60275df-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-03-26 7:16 UTC|newest]
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