------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 8 at kernel/locking/lockdep.c:234 hlock_class kernel/locking/lockdep.c:234 [inline] WARNING: CPU: 0 PID: 8 at kernel/locking/lockdep.c:234 check_wait_context kernel/locking/lockdep.c:4852 [inline] WARNING: CPU: 0 PID: 8 at kernel/locking/lockdep.c:234 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178 Modules linked in: CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.14.0-rc5-syzkaller-00137-g00a7d39898c8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: events_power_efficient gc_worker RIP: 0010:hlock_class kernel/locking/lockdep.c:234 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4852 [inline] RIP: 0010:__lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178 Code: 00 00 83 3d 81 5a a0 0e 00 75 23 90 48 c7 c7 40 b1 2a 8c 48 c7 c6 40 b4 2a 8c e8 f7 bd e4 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:ffffc900000d7310 EFLAGS: 00010046 RAX: 460f8c65a76d2300 RBX: 0000000000001b20 RCX: ffff88801d6c5a00 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000000c1b20 R08: ffffffff81818e32 R09: 1ffff110170c519a R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88801d6c64d4 R13: 0000000000000014 R14: 1ffff11003ad8cb6 R15: ffff88801d6c65b0 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30311ff8 CR3: 000000007da8c000 CR4: 0000000000350ef0 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 _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:1521 [inline] rq_lock kernel/sched/sched.h:1852 [inline] ttwu_queue kernel/sched/core.c:4000 [inline] try_to_wake_up+0x7e2/0x1470 kernel/sched/core.c:4330 swake_up_locked kernel/sched/swait.c:29 [inline] swake_up_one+0x70/0x160 kernel/sched/swait.c:52 rcu_report_unblock_qs_rnp kernel/rcu/tree.c:2355 [inline] rcu_preempt_deferred_qs_irqrestore+0xa3e/0xca0 kernel/rcu/tree_plugin.h:569 rcu_read_unlock_special+0x497/0x570 kernel/rcu/tree_plugin.h:693 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:438 rcu_read_unlock include/linux/rcupdate.h:882 [inline] gc_worker+0xcad/0x1400 net/netfilter/nf_conntrack_core.c:1603 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xac0/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd30 kernel/workqueue.c:3400 kthread+0x7ab/0x920 kernel/kthread.c:464 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244