------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 11 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline]
WARNING: CPU: 0 PID: 11 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4850 [inline]
WARNING: CPU: 0 PID: 11 at kernel/locking/lockdep.c:232 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5176
Modules linked in:
CPU: 0 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.12.0-syzkaller-08446-g228a1157fb9f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound linkwatch_event
RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4850 [inline]
RIP: 0010:__lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5176
Code: 00 00 83 3d 51 ce ac 0e 00 75 23 90 48 c7 c7 c0 d4 0a 8c 48 c7 c6 c0 d7 0a 8c e8 77 64 e5 ff 48 ba 00 00 00 00 00 fc ff df 90 <0f> 0b 90 90 90 31 db 48 81 c3 c4 00 00 00 48 89 d8 48 c1 e8 03 0f
RSP: 0018:ffffc900000079b0 EFLAGS: 00010046
RAX: 0509364fb8d73b00 RBX: 0000000000000cd8 RCX: ffff88801c2abc00
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000c4cd8 R08: ffffffff8155fe42 R09: 1ffff110170c519a
R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88801c2ac6c4
R13: 0000000000000014 R14: 1ffff110038558f4 R15: ffff88801c2ac7a0
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5d2d600000 CR3: 0000000021ae2000 CR4: 0000000000350ef0
Call Trace:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
_raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:606
raw_spin_rq_lock kernel/sched/sched.h:1514 [inline]
rq_lock kernel/sched/sched.h:1813 [inline]
sched_tick+0x72/0x660 kernel/sched/core.c:5640
update_process_times+0x276/0x2f0 kernel/time/timer.c:2524
tick_sched_handle kernel/time/tick-sched.c:276 [inline]
tick_nohz_handler+0x37c/0x500 kernel/time/tick-sched.c:297
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x553/0xd50 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x112/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5243
Code: c9 50 e8 79 07 0c 00 48 83 c4 08 4c 89 f7 e8 9d 39 00 00 e9 de 04 00 00 4c 89 f7 e8 90 36 6c 0a e8 6b 91 38 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc90000107368 EFLAGS: 00000286
RAX: 0509364fb8d73b00 RBX: ffff88801c2abc00 RCX: ffffffff8171044a
RDX: dffffc0000000000 RSI: ffffffff8c0ad620 RDI: ffffffff8c607a20
RBP: ffffc900001073b0 R08: ffffffff942e7897 R09: 1ffffffff285cf12
R10: dffffc0000000000 R11: fffffbfff285cf13 R12: 1ffff110170c7e9c
R13: dffffc0000000000 R14: ffff8880b863e6c0 R15: ffff8880b863f4e0
context_switch kernel/sched/core.c:5372 [inline]
__schedule+0x1858/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline]
synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:976
dev_deactivate_many+0x4a7/0xb10 net/sched/sch_generic.c:1377
dev_deactivate+0x184/0x280 net/sched/sch_generic.c:1403
linkwatch_do_dev+0x10a/0x170 net/core/link_watch.c:175
__linkwatch_run_queue+0x44f/0x6c0 net/core/link_watch.c:234
linkwatch_event+0x4c/0x60 net/core/link_watch.c:277
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
----------------
Code disassembly (best guess):
0: c9 leave
1: 50 push %rax
2: e8 79 07 0c 00 call 0xc0780
7: 48 83 c4 08 add $0x8,%rsp
b: 4c 89 f7 mov %r14,%rdi
e: e8 9d 39 00 00 call 0x39b0
13: e9 de 04 00 00 jmp 0x4f6
18: 4c 89 f7 mov %r14,%rdi
1b: e8 90 36 6c 0a call 0xa6c36b0
20: e8 6b 91 38 00 call 0x389190
25: fb sti
26: 48 8b 5d c0 mov -0x40(%rbp),%rbx
* 2a: 48 8d bb f8 15 00 00 lea 0x15f8(%rbx),%rdi <-- trapping instruction
31: 48 89 f8 mov %rdi,%rax
34: 48 c1 e8 03 shr $0x3,%rax
38: 49 rex.WB
39: be 00 00 00 00 mov $0x0,%esi
3e: 00 fc add %bh,%ah