RDX: 0000000000080241 RSI: 00007fff6995af90 RDI: ffffffffffffff9c
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000001b6 R11: 0000000000000202 R12: 0000561f60369dfc
R13: 0000561f60369dfc R14: 0000000000000001 R15: 0000561f60370bcc
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 5228 Comm: udevd Tainted: G W syzkaller #0 PREEMPT(lazy)
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
vpanic+0x553/0x970 kernel/panic.c:651
panic+0xd1/0xe0 kernel/panic.c:788
check_panic_on_warn kernel/panic.c:525 [inline]
check_panic_on_warn.cold+0x19/0x34 kernel/panic.c:520
__warn.cold+0x191/0x318 kernel/panic.c:1104
__report_bug+0x30f/0x440 lib/bug.c:254
report_bug+0xb3/0x220 lib/bug.c:286
handle_bug+0x16a/0x2a0 arch/x86/kernel/traps.c:436
exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:490
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:593
RIP: 0010:debug_object_is_on_stack lib/debugobjects.c:672 [inline]
RIP: 0010:lookup_object_or_alloc.part.0.cold+0x19/0x40 lib/debugobjects.c:705
Code: c4 60 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 83 c5 01 89 2d 60 bc 0e 13 4c 89 e6 48 c7 c7 c0 c2 d2 87 e8 61 c3 fa ff 90 <0f> 0b 90 e9 12 3b bb 01 83 c5 01 89 2d 3f bc 0e 13 49 39 c4 73 da
RSP: 0018:ffffc900001b88f0 EFLAGS: 00010082
RAX: 0000000000000050 RBX: ffff8881150a7ea8 RCX: 0000000000000000
RDX: 0000000000000050 RSI: ffffffff81938669 RDI: fffff5200003710f
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000101 R11: 0000000000000001 R12: ffffc900001b8a60
R13: ffff88811bd78000 R14: 0000000000000001 R15: 0000000000000000
lookup_object_or_alloc lib/debugobjects.c:682 [inline]
__debug_object_init+0x2a9/0x3d0 lib/debugobjects.c:798
__synchronize_srcu+0x1c3/0x300 kernel/rcu/srcutree.c:1475
wakeup_source_remove drivers/base/power/wakeup.c:201 [inline]
wakeup_source_unregister.part.0+0x12c/0x540 drivers/base/power/wakeup.c:237
wakeup_source_unregister+0x1f/0x30 drivers/base/power/wakeup.c:236
mmc_host_classdev_release+0x42/0x120 drivers/mmc/core/host.c:69
device_release+0xd2/0x270 drivers/base/core.c:2640
kobject_cleanup lib/kobject.c:689 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x1f7/0x640 lib/kobject.c:737
put_device+0x1f/0x30 drivers/base/core.c:3884
vub300_delete drivers/mmc/host/vub300.c:379 [inline]
kref_put include/linux/kref.h:65 [inline]
vub300_inactivity_timer_expired drivers/mmc/host/vub300.c:747 [inline]
vub300_inactivity_timer_expired+0x42f/0x550 drivers/mmc/host/vub300.c:742
call_timer_fn+0x198/0x5f0 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1799 [inline]
__run_timers+0x757/0xb00 kernel/time/timer.c:2374
__run_timer_base kernel/time/timer.c:2386 [inline]
__run_timer_base kernel/time/timer.c:2378 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2395
run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405
handle_softirqs+0x1d9/0x9b0 kernel/softirq.c:645
__do_softirq kernel/softirq.c:679 [inline]
invoke_softirq kernel/softirq.c:519 [inline]
__irq_exit_rcu+0x168/0x210 kernel/softirq.c:758
irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0x8f/0xb0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:stack_trace_consume_entry+0x4/0x170 kernel/stacktrace.c:86
Code: 00 e9 36 ff ff ff 49 c7 c4 ea ff ff ff eb c7 e8 52 ea e8 05 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <48> b8 00 00 00 00 00 fc ff df 55 53 48 89 fb 48 83 c7 10 48 89 fa
RSP: 0018:ffffc9000225f598 EFLAGS: 00000286
RAX: ffffffff81000130 RBX: ffffc9000225f5a0 RCX: ffffc9000225f4f4
RDX: 1ffff9200044bebd RSI: ffffffff81000130 RDI: ffffc9000225f660
RBP: ffffc9000225f630 R08: 0000000000000001 R09: 0000000000000007
R10: 0000000000000200 R11: 00000000000687d4 R12: ffffffff819f4a80
R13: ffffc9000225f660 R14: 0000000000000000 R15: ffff88811bd78000
arch_stack_walk+0x88/0xf0 arch/x86/kernel/stacktrace.c:27
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_record_aux_stack+0x8c/0xa0 mm/kasan/generic.c:556
__call_rcu_common.constprop.0+0xa5/0x9b0 kernel/rcu/tree.c:3181
slab_free_hook mm/slub.c:2712 [inline]
slab_free mm/slub.c:6499 [inline]
kmem_cache_free+0x41c/0x650 mm/slub.c:6626
file_free fs/file_table.c:104 [inline]
__fput_deferred+0x3e9/0x4a0 fs/file_table.c:567
fput_close+0x118/0x250 fs/file_table.c:629
path_openat+0x1033/0x2440 fs/namei.c:5009
do_file_open+0x20e/0x430 fs/namei.c:5029
do_sys_openat2+0x10f/0x1e0 fs/open.c:1417
do_sys_open fs/open.c:1423 [inline]
__do_sys_openat fs/open.c:1439 [inline]
__se_sys_openat fs/open.c:1434 [inline]
__x64_sys_openat+0x12d/0x210 fs/open.c:1434
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x119/0x710 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc862f45407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007fff6995a550 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc862e57880 RCX: 00007fc862f45407
RDX: 0000000000080241 RSI: 00007fff6995af90 RDI: ffffffffffffff9c
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000001b6 R11: 0000000000000202 R12: 0000561f60369dfc
R13: 0000561f60369dfc R14: 0000000000000001 R15: 0000561f60370bcc
Shutting down cpus with NMI
Kernel Offset: disabled
Rebooting in 86400 seconds..
----------------
Code disassembly (best guess), 1 bytes skipped:
0: e9 36 ff ff ff jmp 0xffffff3b
5: 49 c7 c4 ea ff ff ff mov $0xffffffffffffffea,%r12
c: eb c7 jmp 0xffffffd5
e: e8 52 ea e8 05 call 0x5e8ea65
13: 66 90 xchg %ax,%ax
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 90 nop
1a: 90 nop
1b: 90 nop
1c: 90 nop
1d: 90 nop
1e: 90 nop
1f: 90 nop
20: 90 nop
21: 90 nop
22: 90 nop
23: 90 nop
24: 90 nop
25: f3 0f 1e fa endbr64
* 29: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction
30: fc ff df
33: 55 push %rbp
34: 53 push %rbx
35: 48 89 fb mov %rdi,%rbx
38: 48 83 c7 10 add $0x10,%rdi
3c: 48 89 fa mov %rdi,%rdx