------------[ cut here ]------------ workqueue: cannot queue hci_tx_work on wq hci0 WARNING: CPU: 0 PID: 9693 at kernel/workqueue.c:2258 __queue_work+0xdf6/0x1090 kernel/workqueue.c:2256 Modules linked in: CPU: 0 UID: 0 PID: 9693 Comm: syz.2.1006 Not tainted 6.14.0-rc7-syzkaller-01413-gd9917c7d533c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:__queue_work+0xdf6/0x1090 kernel/workqueue.c:2256 Code: e8 03 80 3c 28 00 74 08 4c 89 ff e8 64 fd 9f 00 49 8b 37 49 81 c5 78 01 00 00 48 c7 c7 60 e7 29 8c 4c 89 ea e8 5b 6f f8 ff 90 <0f> 0b 90 90 e9 66 f4 ff ff e8 7c b4 38 00 90 0f 0b 90 e9 ad fc ff RSP: 0018:ffffc9000220f488 EFLAGS: 00010046 RAX: 3fc6c416761ff600 RBX: ffff88807dda3c00 RCX: 0000000000080000 RDX: ffffc9000c7f9000 RSI: 000000000000ca0b RDI: 000000000000ca0c RBP: dffffc0000000000 R08: ffffffff8181ae52 R09: fffffbfff1d3a69c R10: dffffc0000000000 R11: fffffbfff1d3a69c R12: 1ffff1100b653e38 R13: ffff88805b29f178 R14: 0000000000000008 R15: ffff888058d08b28 FS: 00007fc90caba6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000006038 CR3: 0000000066878000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> queue_work_on+0x1c2/0x380 kernel/workqueue.c:2392 l2cap_chan_send+0x3d6/0x2690 l2cap_sock_sendmsg+0x1b4/0x2c0 net/bluetooth/l2cap_sock.c:1130 sock_sendmsg_nosec net/socket.c:709 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:724 ____sys_sendmsg+0x53a/0x860 net/socket.c:2564 ___sys_sendmsg net/socket.c:2618 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2707 __do_sys_sendmmsg net/socket.c:2734 [inline] __se_sys_sendmmsg net/socket.c:2731 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc90bb8d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc90caba038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fc90bda5fa0 RCX: 00007fc90bb8d169 RDX: 00000000ffffff80 RSI: 0000200000004100 RDI: 0000000000000005 RBP: 00007fc90bc0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc90bda5fa0 R15: 00007ffc10052d68 </TASK>