------------[ cut here ]------------
WARNING: CPU: 1 PID: 5282 at kernel/workqueue.c:2259 __queue_work+0xcd3/0xf50 kernel/workqueue.c:2258
Modules linked in:
CPU: 1 UID: 0 PID: 5282 Comm: kworker/1:4 Not tainted 6.11.0-rc7-syzkaller-00017-gbc83b4d1f086 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: events l2cap_chan_timeout
RIP: 0010:__queue_work+0xcd3/0xf50 kernel/workqueue.c:2258
Code: ff e8 91 89 36 00 90 0f 0b 90 e9 1e fd ff ff e8 83 89 36 00 eb 13 e8 7c 89 36 00 eb 0c e8 75 89 36 00 eb 05 e8 6e 89 36 00 90 <0f> 0b 90 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
RSP: 0018:ffffc900040cf8e8 EFLAGS: 00010093
RAX: ffffffff815d0342 RBX: ffff88801ac94408 RCX: ffff88802f070000
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: 0000000000000020 R08: ffffffff815ff059 R09: 0000000000000000
R10: ffffc900040cf9c0 R11: fffff52000819f39 R12: ffff888032661800
R13: ffff8880326619c0 R14: dffffc0000000000 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d4ee82aa18 CR3: 0000000079f86000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 queue_delayed_work_on+0x1ca/0x390 kernel/workqueue.c:2554
 l2cap_chan_del+0x291/0x5d0 net/bluetooth/l2cap_core.c:674
 l2cap_chan_close+0x38b/0x9f0
 l2cap_chan_timeout+0x142/0x360 net/bluetooth/l2cap_core.c:435
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd10 kernel/workqueue.c:3389
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>