------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 5158 at kernel/locking/lockdep.c:231 hlock_class kernel/locking/lockdep.c:231 [inline] WARNING: CPU: 1 PID: 5158 at kernel/locking/lockdep.c:231 hlock_class kernel/locking/lockdep.c:220 [inline] WARNING: CPU: 1 PID: 5158 at kernel/locking/lockdep.c:231 check_deadlock kernel/locking/lockdep.c:3016 [inline] WARNING: CPU: 1 PID: 5158 at kernel/locking/lockdep.c:231 validate_chain kernel/locking/lockdep.c:3818 [inline] WARNING: CPU: 1 PID: 5158 at kernel/locking/lockdep.c:231 __lock_acquire+0x2679/0x56d0 kernel/locking/lockdep.c:5055 Modules linked in: CPU: 1 PID: 5158 Comm: kworker/1:5 Not tainted 6.2.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Workqueue: events rfkill_sync_work RIP: 0010:hlock_class kernel/locking/lockdep.c:231 [inline] RIP: 0010:hlock_class kernel/locking/lockdep.c:220 [inline] RIP: 0010:check_deadlock kernel/locking/lockdep.c:3016 [inline] RIP: 0010:validate_chain kernel/locking/lockdep.c:3818 [inline] RIP: 0010:__lock_acquire+0x2679/0x56d0 kernel/locking/lockdep.c:5055 Code: c0 03 38 d0 7c 08 84 d2 0f 85 00 2b 00 00 83 3d c4 5e 0f 0d 00 75 c6 48 c7 c6 a0 51 4c 8a 48 c7 c7 00 4b 4c 8a e8 31 00 5c 08 <0f> 0b 31 c0 e9 6a fe ff ff e8 f9 b7 a4 02 89 c3 e8 82 5d ff ff 85 RSP: 0018:ffffc900047bf858 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffffffff91342f60 RCX: 0000000000000000 RDX: ffff888025f69d40 RSI: ffffffff816680ec RDI: fffff520008f7efd RBP: ffff888025f6a778 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffff888025f6a840 R13: 0000000000000dd1 R14: dffffc0000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555aaa848 CR3: 000000007ec38000 CR4: 0000000000350ee0 Call Trace: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __flush_workqueue+0x118/0x13a0 kernel/workqueue.c:2809 nci_close_device+0xcb/0x370 net/nfc/nci/core.c:567 nfc_dev_down+0x19a/0x2d0 net/nfc/core.c:161 nfc_rfkill_set_block+0x33/0xd0 net/nfc/core.c:179 rfkill_set_block+0x1f9/0x540 net/rfkill/core.c:345 rfkill_sync_work+0x8e/0xc0 net/rfkill/core.c:1042 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x669/0x1090 kernel/workqueue.c:2436 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308