------------[ cut here ]------------ WARNING: CPU: 0 PID: 5492 at kernel/workqueue.c:2259 __queue_work+0xc2b/0x1070 kernel/workqueue.c:2258 Modules linked in: CPU: 0 UID: 0 PID: 5492 Comm: syz.0.27 Not tainted 6.11.0-rc1-syzkaller-00154-gc0ecd6388360 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__queue_work+0xc2b/0x1070 kernel/workqueue.c:2258 Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 7e 34 92 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 5f 08 35 00 85 db 75 60 e8 56 0d 35 00 90 <0f> 0b 90 e9 08 f8 ff ff e8 48 0d 35 00 90 0f 0b 90 e9 b7 f7 ff ff RSP: 0018:ffffc90003a777a0 EFLAGS: 00010046 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90006aa1000 RDX: 0000000000040000 RSI: ffffffff81556dda RDI: 0000000000000005 RBP: ffff88801aad0b10 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000008 R14: ffff888022e13800 R15: ffff888022e13800 FS: 00007f3a3ec736c0(0000) GS:ffff88806b000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020005038 CR3: 0000000020af0000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work_on+0x11a/0x140 kernel/workqueue.c:2392 l2cap_chan_send+0xb86/0x2a30 net/bluetooth/l2cap_core.c:2577 l2cap_sock_sendmsg+0x228/0x300 net/bluetooth/l2cap_sock.c:1128 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0xab5/0xc90 net/socket.c:2597 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2651 __sys_sendmmsg+0x1a1/0x450 net/socket.c:2737 __do_sys_sendmmsg net/socket.c:2766 [inline] __se_sys_sendmmsg net/socket.c:2763 [inline] __x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2763 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3a3df773b9 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:00007f3a3ec73048 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f3a3e106058 RCX: 00007f3a3df773b9 RDX: 00000000ffffff80 RSI: 0000000020004100 RDI: 0000000000000006 RBP: 00007f3a3dfe48e6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f3a3e106058 R15: 00007ffcd7faf658