------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 48 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 1 PID: 48 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4826 [inline] WARNING: CPU: 1 PID: 48 at kernel/locking/lockdep.c:232 __lock_acquire+0x58c/0x2050 kernel/locking/lockdep.c:5152 Modules linked in: CPU: 1 UID: 0 PID: 48 Comm: kworker/u8:3 Not tainted 6.12.0-rc4-syzkaller-00245-gb423f5a9a61f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound nsim_dev_trap_report_work RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4826 [inline] RIP: 0010:__lock_acquire+0x58c/0x2050 kernel/locking/lockdep.c:5152 Code: 00 00 83 3d 75 d1 ac 0e 00 75 23 90 48 c7 c7 e0 c9 0a 8c 48 c7 c6 80 cc 0a 8c e8 1f 7e 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:ffffc90000b87770 EFLAGS: 00010046 RAX: 5107b4d605521000 RBX: 0000000000001568 RCX: ffff88801eaf5a00 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000000000000a R08: ffffffff8155e452 R09: 1ffff110170e519a R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88801eaf5a00 R13: 0000000000001568 R14: 1ffff11003d5ecaa R15: ffff88801eaf6550 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc4dbcc9010 CR3: 0000000079336000 CR4: 0000000000350ef0 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 raw_spin_rq_lock kernel/sched/sched.h:1505 [inline] rq_lock kernel/sched/sched.h:1804 [inline] ttwu_queue kernel/sched/core.c:3951 [inline] try_to_wake_up+0x81e/0x14b0 kernel/sched/core.c:4281 kick_pool+0x45c/0x620 kernel/workqueue.c:1279 process_one_work kernel/workqueue.c:3187 [inline] process_scheduled_works+0x756/0x1850 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