------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 61 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 1 PID: 61 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4850 [inline] WARNING: CPU: 1 PID: 61 at kernel/locking/lockdep.c:232 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5176 Modules linked in: CPU: 1 UID: 0 PID: 61 Comm: kworker/u8:4 Not tainted 6.13.0-rc6-syzkaller-00262-gb62cef9a5c67 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: bat_events batadv_nc_worker 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 81 ea 9e 0e 00 75 23 90 48 c7 c7 80 97 0a 8c 48 c7 c6 80 9a 0a 8c e8 c7 5c 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:ffffc9000213f4b0 EFLAGS: 00010046 RAX: 58acc08050df6200 RBX: 00000000000010d8 RCX: ffff88801c768000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000000c10d8 R08: ffffffff81602a82 R09: 1ffff110170e519a R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88801c768ac4 R13: 0000000000000014 R14: 1ffff110038ed174 R15: ffff88801c768ba0 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020038000 CR3: 0000000068c3e000 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+0x2a/0x140 kernel/sched/core.c:598 raw_spin_rq_lock kernel/sched/sched.h:1523 [inline] rq_lock kernel/sched/sched.h:1822 [inline] ttwu_queue kernel/sched/core.c:3991 [inline] try_to_wake_up+0x7e2/0x1470 kernel/sched/core.c:4321 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:2376 [inline] rcu_preempt_deferred_qs_irqrestore+0x9f8/0xc70 kernel/rcu/tree_plugin.h:568 rcu_read_unlock_special+0x497/0x570 kernel/rcu/tree_plugin.h:692 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:437 rcu_read_unlock include/linux/rcupdate.h:882 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline] batadv_nc_worker+0x290/0x610 net/batman-adv/network-coding.c:719 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3317 worker_thread+0x870/0xd30 kernel/workqueue.c:3398 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