------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 5387 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 0 PID: 5387 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4826 [inline] WARNING: CPU: 0 PID: 5387 at kernel/locking/lockdep.c:232 __lock_acquire+0x58c/0x2050 kernel/locking/lockdep.c:5152 Modules linked in: CPU: 0 UID: 0 PID: 5387 Comm: kworker/0:7 Not tainted 6.12.0-rc2-syzkaller-00320-gba01565ced22 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: mm_percpu_wq wq_barrier_func 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 a5 c3 ac 0e 00 75 23 90 48 c7 c7 60 c9 0a 8c 48 c7 c6 00 cc 0a 8c e8 3f 7f 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:ffffc90003ce7790 EFLAGS: 00010046 RAX: 123b9c36d803f500 RBX: 0000000000000f68 RCX: ffff88802d97bc00 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000014 R08: ffffffff8155e402 R09: 1ffff110170c519a R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88802d97bc00 R13: 0000000000000f68 R14: 1ffff11005b2f8f4 R15: ffff88802d97c7a0 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000058ee2000 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:593 raw_spin_rq_lock kernel/sched/sched.h:1505 [inline] rq_lock kernel/sched/sched.h:1804 [inline] ttwu_queue kernel/sched/core.c:3946 [inline] try_to_wake_up+0x81e/0x14b0 kernel/sched/core.c:4276 swake_up_locked kernel/sched/swait.c:29 [inline] complete_with_flags kernel/sched/completion.c:24 [inline] complete+0xac/0x1c0 kernel/sched/completion.c:47 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