From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A648A6EB79 for ; Fri, 2 May 2025 22:56:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746226565; cv=none; b=CLBzMcQcYKedE323dpkkRYBO0qRg6gAoVfUPSqu2pkL/jL4E1SIMXCn9fX/cv+8nU9esgRbDE2LAeFG1jGzAeL7amiHmz+ReIsSerCSMgkTmhHNr3XRQOsY3XLWqRBLozjG4sgCcwpeLmheQ4W/Z9bhJNs5o+whjOty8TW8PhPQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746226565; c=relaxed/simple; bh=GI4y84H9hbLWsfatmF5ShCL3UJ/fJkdtQJF6V+CBzt4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=rx+ZFagKl+gIbM8ipkj93U9GuiAskItWkSEYQLRKSX+Xd3Q+9Zx/wcL+D8qa3ooLGzkWf6JMkhj35eP+bwUw22se2RHp43B8iLQjI/m70Zxg2oCJcuJyzNja0+s+XRrBT87gbFJCNqS/3OQOM+sINUU0nTyBgx8+s8YI6c+RPIg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-3d922570570so36327005ab.3 for ; Fri, 02 May 2025 15:56:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746226562; x=1746831362; h=content-transfer-encoding:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=LTc/5eoWwhySOzXr/VfoN6wUm5/QDtSyrjEC+t5feI4=; b=ebj0BHknEgHyZG4BDyHekNwgVA8PmDitng7EkEErUrMjg+gvVDGL+QAfObb4kzDwqo 58qn/NlBLhUYhChiuqyjVBpPEdx+XqKM8FH1SnaE1Z11LnrhSO+crRaNxyYBUKDdn2Fs /YSszrY40ciOuVGCOzy30kZx/NynK8UQkvZhAHNTM+fgUHi9uqnmWv1I2ATDChatl5C0 l/Xwr9zQ8Cjt22xpI7bRw7GynuyRM1/H3kOaUsgMEGSslS41+PpSE5aSBfc/JKLWlyK2 vhUMMCLFQtfenHqpaDO0gXBvda+yDjw6nCrbzXRMB7xyYI+C82SMg/aq8tErtiaNGgHy 8cCA== X-Forwarded-Encrypted: i=1; AJvYcCVBS2GzTFi23Q2wUuyh0faWIQ8C0sG2tFGWN6qRtxN8FtMKv51MIfgVn0hzUmaC005qTFWUYrqGIJFpOmw=@vger.kernel.org X-Gm-Message-State: AOJu0YyFmPpwEiOfqKagDxHVsj9FVwwYI0uQPOB0zI4ldk0H5LjLNiwg MCkDv1q7ZzZ99NI+15t739Kmis5ZpR1a8OuSZIRh5E/MJeFrn9Yw+U9mEmNdeC1XnMvvfmqFhTq OOgFNSiovumSN7vhvhC+sL0yRMdWqK6esDvaystLfB2hwkgQq/RuaQi8= X-Google-Smtp-Source: AGHT+IE4ZiPK/rvIxf6AKtIWfR7ynVlSqVfbfAZgaE/Ab4L+ho37+JCeJWYUy15+X0URJC4v76hRzpyqyw38u3+ASPpwspsGDa+W Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2292:b0:3d0:47cf:869c with SMTP id e9e14a558f8ab-3d97c253bccmr52946935ab.19.1746226562633; Fri, 02 May 2025 15:56:02 -0700 (PDT) Date: Fri, 02 May 2025 15:56:02 -0700 In-Reply-To: <20250502223351.1409-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68154d82.050a0220.11da1b.0003.GAE@google.com> Subject: Re: [syzbot] [mm?] BUG: Bad page state in page_cache_ra_order From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hello, syzbot tried to test the proposed patch but the build/boot failed: 068818][ T0] ACPI: RSDP 0x00000000000F5190 000014 (v00 BOCHS ) [ 0.072899][ T0] ACPI: RSDT 0x000000007FFE2925 000048 (v01 BOCHS BXP= C 00000001 BXPC 00000001) [ 0.078676][ T0] ACPI: FACP 0x000000007FFE1B2C 0000F4 (v03 BOCHS BXP= C 00000001 BXPC 00000001) [ 0.084482][ T0] ACPI: DSDT 0x000000007FFDF040 002AEC (v01 BOCHS BXP= C 00000001 BXPC 00000001) [ 0.090663][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.094100][ T0] ACPI: APIC 0x000000007FFE1C20 0000B0 (v03 BOCHS BXP= C 00000001 BXPC 00000001) [ 0.099885][ T0] ACPI: HPET 0x000000007FFE1CD0 000038 (v01 BOCHS BXP= C 00000001 BXPC 00000001) [ 0.105824][ T0] ACPI: SRAT 0x000000007FFE1D08 000178 (v01 BOCHS BXP= C 00000001 BXPC 00000001) [ 0.111602][ T0] ACPI: MCFG 0x000000007FFE1E80 00003C (v01 BOCHS BXP= C 00000001 BXPC 00000001) [ 0.117336][ T0] ACPI: DMAR 0x000000007FFE1EBC 0000C0 (v01 BOCHS BXP= C 00000001 BXPC 00000001) [ 0.123170][ T0] ACPI: SSDT 0x000000007FFE1F7C 0008A1 (v01 BOCHS NVD= IMM 00000001 BXPC 00000001) [ 0.128948][ T0] ACPI: NFIT 0x000000007FFE281D 0000E0 (v01 BOCHS BXP= C 00000001 BXPC 00000001) [ 0.134762][ T0] ACPI: WAET 0x000000007FFE28FD 000028 (v01 BOCHS BXP= C 00000001 BXPC 00000001) [ 0.140519][ T0] ACPI: Reserving FACP table memory at [mem 0x7ffe1b2c= -0x7ffe1c1f] [ 0.145407][ T0] ACPI: Reserving DSDT table memory at [mem 0x7ffdf040= -0x7ffe1b2b] [ 0.150272][ T0] ACPI: Reserving FACS table memory at [mem 0x7ffdf000= -0x7ffdf03f] [ 0.155103][ T0] ACPI: Reserving APIC table memory at [mem 0x7ffe1c20= -0x7ffe1ccf] [ 0.159951][ T0] ACPI: Reserving HPET table memory at [mem 0x7ffe1cd0= -0x7ffe1d07] [ 0.164803][ T0] ACPI: Reserving SRAT table memory at [mem 0x7ffe1d08= -0x7ffe1e7f] [ 0.169688][ T0] ACPI: Reserving MCFG table memory at [mem 0x7ffe1e80= -0x7ffe1ebb] [ 0.174515][ T0] ACPI: Reserving DMAR table memory at [mem 0x7ffe1ebc= -0x7ffe1f7b] [ 0.179372][ T0] ACPI: Reserving SSDT table memory at [mem 0x7ffe1f7c= -0x7ffe281c] [ 0.184230][ T0] ACPI: Reserving NFIT table memory at [mem 0x7ffe281d= -0x7ffe28fc] [ 0.189069][ T0] ACPI: Reserving WAET table memory at [mem 0x7ffe28fd= -0x7ffe2924] [ 0.194370][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.198626][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.202892][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x17ffffff= f] [ 0.207289][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x183fffff= f] non-volatile [ 0.212410][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x57ffffff= f] hotplug [ 0.217205][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00= 100000-0x7fffffff] -> [mem 0x00001000-0x7fffffff] [ 0.224074][ T0] NUMA: Node 0 [mem 0x00001000-0x7fffffff] + [mem 0x10= 0000000-0x17fffffff] -> [mem 0x00001000-0x17fffffff] [ 0.231124][ T0] Faking node 0 at [mem 0x0000000000001000-0x00000000f= fffffff] (4095MB) [ 0.236269][ T0] Faking node 1 at [mem 0x0000000100000000-0x000000017= fffffff] (2048MB) [ 0.241797][ T0] NODE_DATA(0) allocated [mem 0x7ffd7400-0x7ffdcfff] [ 0.245886][ T0] NODE_DATA(1) allocated [mem 0x17fff7400-0x17fffcfff] [ 0.266117][ T0] Zone ranges: [ 0.268234][ T0] DMA [mem 0x0000000000001000-0x0000000000fffff= f] [ 0.272595][ T0] DMA32 [mem 0x0000000001000000-0x00000000fffffff= f] [ 0.276920][ T0] Normal [mem 0x0000000100000000-0x000000017ffffff= f] [ 0.281265][ T0] Device empty [ 0.283523][ T0] Movable zone start for each node [ 0.286649][ T0] Early memory node ranges [ 0.289362][ T0] node 0: [mem 0x0000000000001000-0x000000000009ef= ff] [ 0.293795][ T0] node 0: [mem 0x0000000000100000-0x000000007ffdcf= ff] [ 0.298212][ T0] node 1: [mem 0x0000000100000000-0x000000017fffff= ff] [ 0.302637][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x00000= 0007ffdcfff] [ 0.307549][ T0] Initmem setup node 1 [mem 0x0000000100000000-0x00000= 0017fffffff] [ 0.312485][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.316851][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.372092][ T0] On node 1, zone Normal: 35 pages in unavailable rang= es [ 0.537077][ T0] kasan: KernelAddressSanitizer initialized [ 0.548737][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.552729][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.558491][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000= , GSI 0-23 [ 0.564712][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl = dfl) [ 0.570522][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high= level) [ 0.576498][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high= level) [ 0.582531][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 hi= gh level) [ 0.588710][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 hi= gh level) [ 0.594796][ T0] ACPI: Using ACPI (MADT) for SMP configuration inform= ation [ 0.600603][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.605220][ T0] TSC deadline timer available [ 0.608936][ T0] CPU topo: Max. logical packages: 2 [ 0.613282][ T0] CPU topo: Max. logical dies: 2 [ 0.617554][ T0] CPU topo: Max. dies per package: 1 [ 0.621924][ T0] CPU topo: Max. threads per core: 2 [ 0.626307][ T0] CPU topo: Num. cores per package: 2 [ 0.630942][ T0] CPU topo: Num. threads per package: 4 [ 0.635434][ T0] CPU topo: Allowing 4 present CPUs plus 4 hotplug CPU= s [ 0.641189][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_= eoi_write() [ 0.647680][ T0] kvm-guest: KVM setup pv remote TLB flush [ 0.652398][ T0] kvm-guest: setup PV sched yield [ 0.656549][ T0] PM: hibernation: Registered nosave memory: [mem 0x00= 000000-0x00000fff] [ 0.663361][ T0] PM: hibernation: Registered nosave memory: [mem 0x00= 09f000-0x000fffff] [ 0.670164][ T0] PM: hibernation: Registered nosave memory: [mem 0x7f= fdd000-0xffffffff] [ 0.677174][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI device= s [ 0.682102][ T0] Booting paravirtualized kernel on KVM [ 0.685781][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_c= ycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.747592][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids= :8 nr_node_ids:2 [ 0.755074][ T0] percpu: Embedded 69 pages/cpu s245512 r8192 d28920 u= 1048576 [ 0.760109][ T0] kvm-guest: PV spinlocks enabled [ 0.763196][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096= bytes, linear) [ 0.768644][ T0] Kernel command line: earlyprintk=3Dserial net.ifname= s=3D0 sysctl.kernel.hung_task_all_cpu_backtrace=3D1 ima_policy=3Dtcb nf-con= ntrack-ftp.ports=3D20000 nf-conntrack-tftp.ports=3D20000 nf-conntrack-sip.p= orts=3D20000 nf-conntrack-irc.ports=3D20000 nf-conntrack-sane.ports=3D20000= binder.debug_mask=3D0 rcupdate.rcu_expedited=3D1 rcupdate.rcu_cpu_stall_cp= utime=3D1 no_hash_pointers page_owner=3Don sysctl.vm.nr_hugepages=3D4 sysct= l.vm.nr_overcommit_hugepages=3D4 secretmem.enable=3D1 sysctl.max_rcu_stall_= to_panic=3D1 msr.allow_writes=3Doff coredump_filter=3D0xffff root=3D/dev/sd= a console=3DttyS0 vsyscall=3Dnative numa=3Dfake=3D2 kvm-intel.nested=3D1 sp= ec_store_bypass_disable=3Dprctl nopcid vivid.n_devs=3D64 vivid.multiplanar= =3D1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,= 1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=3D3= 2 rose.rose_ndevs=3D32 smp.csd_lock_timeout=3D100000 watchdog_thresh=3D55 w= orkqueue.watchdog_thresh=3D140 sysctl.net.core.netdev_unregister_timeout_se= cs=3D140 dummy_hcd.num=3D32 max_loop=3D32 nbds_max=3D32 panic_on_warn [ 0.773120][ T0] Unknown kernel command line parameters "spec_store_b= ypass_disable=3Dprctl nbds_max=3D32", will be passed to user space. [ 0.841187][ T0] random: crng init done [ 0.843925][ T0] printk: log buffer data + meta data: 262144 + 917504= =3D 1179648 bytes [ 0.850451][ T0] software IO TLB: area num 8. [ 0.877944][ T0] Fallback order for Node 0: 0 1=20 [ 0.877964][ T0] Fallback order for Node 1: 1 0=20 [ 0.877978][ T0] Built 2 zonelists, mobility grouping on. Total page= s: 1048443 [ 0.890242][ T0] Policy zone: Normal [ 0.893142][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap = free:off [ 0.897550][ T0] stackdepot: allocating hash table via alloc_large_sy= stem_hash [ 0.902260][ T0] stackdepot hash table entries: 1048576 (order: 12, 1= 6777216 bytes, linear) [ 1.214633][ T0] ------------[ cut here ]------------ [ 1.217852][ T0] kernel BUG at mm/page_alloc.c:4996! [ 1.220930][ T0] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 1.224574][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.15.= 0-rc4-syzkaller-gb6a218ff8b88-dirty #0 PREEMPT(undef)=20 [ 1.231268][ T0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), = BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 1.237627][ T0] RIP: 0010:__alloc_frozen_pages_noprof+0x1404/0x2520 [ 1.242184][ T0] Code: 0f 8f 21 f2 ff ff 8b 84 24 84 00 00 00 65 8b 1= 5 42 c7 8f 11 83 c8 60 81 e2 00 01 ff 00 41 0f 45 c5 41 89 c5 e9 fe f1 ff f= f 90 <0f> 0b 65 4c 8b 25 0a c7 8f 11 48 b8 00 00 00 00 00 fc ff df 49 8d [ 1.253449][ T0] RSP: 0000:ffffffff8e0079f8 EFLAGS: 00010086 [ 1.256874][ T0] RAX: 00000000dead0000 RBX: ffffea00006d1040 RCX: fff= fffff821407e6 [ 1.261855][ T0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: fff= fea00006d109c [ 1.266392][ T0] RBP: ffffea00006d109c R08: 0000000000000000 R09: fff= ff940000da213 [ 1.270965][ T0] R10: ffffea00006d109f R11: dffffc0000000000 R12: 1ff= ffffff1c00f54 [ 1.276225][ T0] R13: 0000000000000015 R14: ffffea00006d1040 R15: 000= 0000000252000 [ 1.281956][ T0] FS: 0000000000000000(0000) GS:ffff8880d69e2000(0000= ) knlGS:0000000000000000 [ 1.288351][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.293167][ T0] CR2: ffff88817ffff000 CR3: 000000000e180000 CR4: 000= 00000000000b0 [ 1.298931][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 1.304731][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 1.310543][ T0] Call Trace: [ 1.312870][ T0] [ 1.314588][ T0] ? unwind_next_frame+0x3fe/0x20a0 [ 1.317597][ T0] ? common_startup_64+0x13e/0x148 [ 1.320519][ T0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 1.324051][ T0] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 1.327730][ T0] ? __lock_acquire+0xaa4/0x1ba0 [ 1.330584][ T0] ? stack_trace_save+0x8e/0xc0 [ 1.333356][ T0] ? __pfx_stack_trace_save+0x10/0x10 [ 1.336385][ T0] new_slab+0x94/0x340 [ 1.338711][ T0] ___slab_alloc+0xd9c/0x1940 [ 1.341338][ T0] ? do_kmem_cache_create+0x1b3/0x730 [ 1.344384][ T0] ? new_slab+0x2d1/0x340 [ 1.346813][ T0] ? do_kmem_cache_create+0x1b3/0x730 [ 1.349994][ T0] ? __slab_alloc.constprop.0+0x56/0xb0 [ 1.353155][ T0] __slab_alloc.constprop.0+0x56/0xb0 [ 1.356234][ T0] kmem_cache_alloc_node_noprof+0xf5/0x3b0 [ 1.359629][ T0] ? do_kmem_cache_create+0x1b3/0x730 [ 1.362867][ T0] do_kmem_cache_create+0x1b3/0x730 [ 1.365861][ T0] create_boot_cache+0xba/0x140 [ 1.369050][ T0] new_kmalloc_cache+0x104/0x260 [ 1.371932][ T0] create_kmalloc_caches+0x31/0x50 [ 1.374850][ T0] kmem_cache_init+0x118/0x180 [ 1.377572][ T0] mm_core_init+0x123/0x220 [ 1.380169][ T0] start_kernel+0x197/0x4d0 [ 1.382673][ T0] x86_64_start_reservations+0x18/0x30 [ 1.385804][ T0] x86_64_start_kernel+0xb0/0xc0 [ 1.388641][ T0] common_startup_64+0x13e/0x148 [ 1.391477][ T0] [ 1.393164][ T0] Modules linked in: [ 1.395366][ T0] ---[ end trace 0000000000000000 ]--- [ 1.398754][ T0] RIP: 0010:__alloc_frozen_pages_noprof+0x1404/0x2520 [ 1.403234][ T0] Code: 0f 8f 21 f2 ff ff 8b 84 24 84 00 00 00 65 8b 1= 5 42 c7 8f 11 83 c8 60 81 e2 00 01 ff 00 41 0f 45 c5 41 89 c5 e9 fe f1 ff f= f 90 <0f> 0b 65 4c 8b 25 0a c7 8f 11 48 b8 00 00 00 00 00 fc ff df 49 8d [ 1.414886][ T0] RSP: 0000:ffffffff8e0079f8 EFLAGS: 00010086 [ 1.418676][ T0] RAX: 00000000dead0000 RBX: ffffea00006d1040 RCX: fff= fffff821407e6 [ 1.423528][ T0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: fff= fea00006d109c [ 1.428395][ T0] RBP: ffffea00006d109c R08: 0000000000000000 R09: fff= ff940000da213 [ 1.434348][ T0] R10: ffffea00006d109f R11: dffffc0000000000 R12: 1ff= ffffff1c00f54 [ 1.439111][ T0] R13: 0000000000000015 R14: ffffea00006d1040 R15: 000= 0000000252000 [ 1.443746][ T0] FS: 0000000000000000(0000) GS:ffff8880d69e2000(0000= ) knlGS:0000000000000000 [ 1.449598][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.453405][ T0] CR2: ffff88817ffff000 CR3: 000000000e180000 CR4: 000= 00000000000b0 [ 1.458118][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 1.462997][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 1.467716][ T0] Kernel panic - not syncing: Fatal exception [ 1.472707][ T0] Rebooting in 86400 seconds.. syzkaller build log: go env (err=3D) GO111MODULE=3D'auto' GOARCH=3D'amd64' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFLAGS=3D'' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMODCACHE=3D'/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs/linux/gopath' GOPRIVATE=3D'' GOPROXY=3D'https://proxy.golang.org,direct' GOROOT=3D'/syzkaller/jobs/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-= go1.23.7.linux-amd64' GOSUMDB=3D'sum.golang.org' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/syzkaller/jobs/linux/gopath/pkg/mod/golang.org/toolchain@v0.0= .1-go1.23.7.linux-amd64/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.23.7' GODEBUG=3D'' GOTELEMETRY=3D'local' GOTELEMETRYDIR=3D'/syzkaller/.config/go/telemetry' GCCGO=3D'gccgo' GOAMD64=3D'v1' AR=3D'ar' CC=3D'gcc' CXX=3D'g++' CGO_ENABLED=3D'1' GOMOD=3D'/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mo= d' GOWORK=3D'' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' PKG_CONFIG=3D'pkg-config' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build1408207977=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at c6b4fb399 nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sy= s/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Dc6b4fb399236b655a39701fd51c33522caa06811 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20250425-123509'" -o ./b= in/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wfr= ame-larger-than=3D16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-forma= t-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -= static-pie -std=3Dc++17 -I. -Iexecutor/_include -DGOOS_linux=3D1 -DGOARCH= _amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"c6b4fb399236b655a39701fd51c33522ca= a06811\" /usr/bin/ld: /tmp/ccx3kK0j.o: in function `Connection::Connect(char const*,= char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEP= KcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applicat= ions requires at runtime the shared libraries from the glibc version used f= or linking Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D12cb1774580000 Tested on: commit: b6a218ff Merge tag 'pm-6.15-rc5' of git://git.kernel.o.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3Dca17f2d2ba38f7a= 0 dashboard link: https://syzkaller.appspot.com/bug?extid=3D7b3842775c9ce6b69= efc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Deb= ian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D1738f7745800= 00