kernel panic: kernel: panic_on_warn set ...

Status: premoderation: reported on 2026/08/04 15:27
Reported-by: syzbot+68b8adb7c866fc4c03a1@syzkaller.appspotmail.com
First crash: 10d, last: 10d
▶ ▼ Similar bugs (8)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 kernel panic: kernel: panic_on_warn set ... 2 30 7d22h 10d 0/2 upstream: reported on 2026/08/04 21:06
upstream kernel panic: kernel: panic_on_warn set ... kernel 2 1 596d 592d 0/29 auto-obsoleted due to no activity on 2025/03/27 03:23
linux-5.15 kernel panic: kernel: panic_on_warn set ... (2) 2 3 10d 39d 0/3 upstream: reported on 2026/07/07 08:59
android-5-10 kernel panic: kernel: panic_on_warn set ... 2 1 11d 11d 0/2 premoderation: reported on 2026/08/04 14:18
linux-5.15 kernel panic: kernel: panic_on_warn set ... 2 1 249d 249d 0/3 auto-obsoleted due to no activity on 2026/03/19 11:08
linux-6.1 kernel panic: kernel: panic_on_warn set ... 2 9 10d 10d 0/3 upstream: reported on 2026/08/04 21:46
upstream kernel panic: kernel: panic_on_warn set ... (3) nfc prio:high 2 66 8d02h 6d15h 0/29 upstream: reported on 2026/08/09 00:09
upstream kernel panic: kernel: panic_on_warn set ... (2) net 2 64 269d 306d 0/29 auto-obsoleted due to no activity on 2026/01/19 08:34

Sample crash report:
RDX: 000000000000000a RSI: 0000200000000140 RDI: 0000000000000003
RBP: 00007f736563500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7365826038 R14: 00007f7365825fa0 R15: 00007ffcf66888a8
 </TASK>
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 0 PID: 647 Comm: syz.5.94 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 panic+0x280/0x698 kernel/panic.c:339
 check_panic_on_warn kernel/panic.c:235 [inline]
 __warn+0x254/0x3c0 kernel/panic.c:680
 __report_bug lib/bug.c:201 [inline]
 report_bug+0x490/0x770 lib/bug.c:223
 handle_bug+0x3e/0x80 arch/x86/kernel/traps.c:324
 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:345
 asm_exc_invalid_op+0x1b/0x20 arch/x86/include/asm/idtentry.h:606
RIP: 0010:ktime_get_seconds+0x31/0x40 kernel/time/timekeeping.c:1005
Code: ce 0d 00 8b 1d 6c 4a 2f 06 31 ff 89 de e8 37 d2 0d 00 85 db 75 0f e8 0e ce 0d 00 48 8b 05 87 67 56 06 5b 5d c3 e8 ff cd 0d 00 <0f> 0b eb ed 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000d1ef28 EFLAGS: 00010046
RAX: ffffffff81639841 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc90000de1000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90000d1ef30 R08: ffffc90000d1f19f R09: ffffc90000d1f160
R10: dffffc0000000000 R11: fffff520001a3e34 R12: dffffc0000000000
R13: 0000000000000020 R14: 00000000ffff9fa7 R15: 1ffff920001a3df0
 crng_reseed_interval drivers/char/random.c:276 [inline]
 crng_make_state+0x37e/0x710 drivers/char/random.c:325
 _get_random_bytes+0xfc/0x250 drivers/char/random.c:366
 get_random_u32+0x1f3/0x520 drivers/char/random.c:513
 __get_random_u32_below+0x16/0xa0 drivers/char/random.c:527
 get_random_u32_below include/linux/random.h:64 [inline]
 prandom_u32_max include/linux/prandom.h:29 [inline]
 shuffle_freelist mm/slub.c:1912 [inline]
 allocate_slab mm/slub.c:1995 [inline]
 new_slab+0x15a/0x3e0 mm/slub.c:2020
 ___slab_alloc+0x70f/0xb70 mm/slub.c:3177
 __slab_alloc+0x5e/0xa0 mm/slub.c:3263
 slab_alloc_node mm/slub.c:3348 [inline]
 slab_alloc mm/slub.c:3392 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3399 [inline]
 kmem_cache_alloc+0x1a8/0x320 mm/slub.c:3408
 kmem_cache_zalloc include/linux/slab.h:689 [inline]
 acpi_os_acquire_object include/acpi/platform/aclinuxex.h:67 [inline]
 acpi_ut_create_generic_state+0xc9/0x140 drivers/acpi/acpica/utstate.c:90
 acpi_ps_init_scope+0x1e/0x180 drivers/acpi/acpica/psscope.c:78
 acpi_ds_init_aml_walk+0x234/0x490 drivers/acpi/acpica/dswstate.c:598
 acpi_ps_execute_method+0x2d5/0x7c0 drivers/acpi/acpica/psxface.c:141
 acpi_ns_evaluate+0x650/0xa20 drivers/acpi/acpica/nseval.c:205
 acpi_rs_set_srs_method_data+0x294/0x380 drivers/acpi/acpica/rsutils.c:746
 acpi_set_current_resources+0x128/0x150 drivers/acpi/acpica/rsxface.c:269
 acpi_pci_link_set+0x50e/0xa80 drivers/acpi/pci_link.c:343
 acpi_pci_link_resume drivers/acpi/pci_link.c:757 [inline]
 irqrouter_resume+0xd6/0x170 drivers/acpi/pci_link.c:767
 syscore_resume+0x127/0x440 drivers/base/syscore.c:105
 create_image+0x24c/0x7b0 kernel/power/hibernate.c:353
 hibernation_snapshot+0x205/0x330 kernel/power/hibernate.c:424
 hibernate+0x221/0x560 kernel/power/hibernate.c:793
 state_store+0x218/0x3a0 kernel/power/main.c:700
 kobj_attr_store+0x6c/0x90 lib/kobject.c:832
 sysfs_kf_write+0x137/0x150 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x307/0x470 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2282 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x5ef/0xd00 fs/read_write.c:584
 ksys_write+0x14a/0x260 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:646
 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f736559e019
Code: Unable to access opcode bytes at 0x7f736559dfef.
RSP: 002b:00007f73663a9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7365825fa0 RCX: 00007f736559e019
RDX: 000000000000000a RSI: 0000200000000140 RDI: 0000000000000003
RBP: 00007f736563500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7365826038 R14: 00007f7365825fa0 R15: 00007ffcf66888a8
 </TASK>
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/04 15:27 android14-6.1 92668decd5e0 d4abbeac .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 kernel panic: kernel: panic_on_warn set ...
* Struck through repros no longer work on HEAD.