------------[ cut here ]------------ workqueue: cannot queue hci_conn_timeout on wq hci2 WARNING: CPU: 0 PID: 1208 at kernel/workqueue.c:2258 __queue_work+0xdff/0x10a0 kernel/workqueue.c:2256 Modules linked in: CPU: 0 UID: 0 PID: 1208 Comm: kworker/0:2 Not tainted 6.15.0-rc2-syzkaller-00258-g750d0ac001e8 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: events l2cap_chan_timeout RIP: 0010:__queue_work+0xdff/0x10a0 kernel/workqueue.c:2256 Code: e8 03 80 3c 28 00 74 08 4c 89 ff e8 db 60 a3 00 49 8b 37 49 81 c5 78 01 00 00 48 c7 c7 c0 cd 49 8c 4c 89 ea e8 42 7d f8 ff 90 <0f> 0b 90 90 e9 5d f4 ff ff e8 c3 21 39 00 90 0f 0b 90 e9 a7 fc ff RSP: 0018:ffffc90004067848 EFLAGS: 00010046 RAX: 70258d00b6111700 RBX: ffff88801b094008 RCX: ffff888027685a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff818218d2 R09: 1ffff110170c47d2 R10: dffffc0000000000 R11: ffffed10170c47d3 R12: 1ffff11005184d38 R13: ffff888028c26978 R14: 0000000000000008 R15: ffff888031ff4960 FS: 0000000000000000(0000) GS:ffff888124f9a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f40f4c43f98 CR3: 000000006050e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_delayed_work_on+0x1cc/0x390 kernel/workqueue.c:2561 l2cap_chan_del+0x291/0x5d0 net/bluetooth/l2cap_core.c:671 l2cap_chan_close+0x3a8/0xa00 net/bluetooth/l2cap_core.c:-1 l2cap_chan_timeout+0x142/0x360 net/bluetooth/l2cap_core.c:431 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd50 kernel/workqueue.c:3400 kthread+0x7b7/0x940 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245