------------[ cut here ]------------ WARNING: CPU: 1 PID: 20482 at kernel/workqueue.c:1419 __queue_work+0xc00/0xc60 kernel/workqueue.c:1419 Modules linked in: CPU: 1 PID: 20482 Comm: syz-executor.4 Not tainted 5.14.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__queue_work+0xc00/0xc60 kernel/workqueue.c:1419 Code: c7 c7 80 9c 5c 8c e8 0f b8 d6 02 e9 f5 fb ff ff e8 35 63 2d 00 eb 13 e8 2e 63 2d 00 eb 0c e8 27 63 2d 00 eb 05 e8 20 63 2d 00 <0f> 0b 48 83 c4 48 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 0a 63 2d 00 RSP: 0018:ffffc9000a83f5e0 EFLAGS: 00010093 RAX: ffffffff8152d4a2 RBX: ffff888022108000 RCX: ffff888022108000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8152d2c5 R09: ffffed10024b4970 R10: ffffed10024b4970 R11: 0000000000000000 R12: 0000000000000008 R13: dffffc0000000000 R14: ffff8880125a4b78 R15: ffff88802d9c0800 FS: 00007f592cc3c700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000568000 CR3: 000000006ab1f000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work_on+0x111/0x200 kernel/workqueue.c:1525 l2cap_chan_send+0x8d6/0x1790 net/bluetooth/l2cap_core.c:2714 l2cap_sock_sendmsg+0x1a6/0x2b0 net/bluetooth/l2cap_sock.c:1142 sock_sendmsg_nosec net/socket.c:703 [inline] sock_sendmsg net/socket.c:723 [inline] ____sys_sendmsg+0x5a2/0x900 net/socket.c:2392 ___sys_sendmsg net/socket.c:2446 [inline] __sys_sendmmsg+0x500/0x790 net/socket.c:2532 __do_sys_sendmmsg net/socket.c:2561 [inline] __se_sys_sendmmsg net/socket.c:2558 [inline] __x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2558 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665e9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f592cc3c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 04000000000000fa RSI: 0000000020003f00 RDI: 0000000000000005 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000008000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffcff63503f R14: 00007f592cc3c300 R15: 0000000000022000