------------[ cut here ]------------ WARNING: CPU: 0 PID: 5812 at kernel/workqueue.c:2257 __queue_work+0xc3a/0x1080 kernel/workqueue.c:2256 Modules linked in: CPU: 0 UID: 0 PID: 5812 Comm: syz-executor.3 Not tainted 6.12.0-rc3-syzkaller-geca631b8fe80 #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+0xc3a/0x1080 kernel/workqueue.c:2256 Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 5f d5 97 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 70 64 36 00 85 db 75 60 e8 27 62 36 00 90 <0f> 0b 90 e9 f9 f7 ff ff e8 19 62 36 00 90 0f 0b 90 e9 a8 f7 ff ff RSP: 0018:ffffc900049377a0 EFLAGS: 00010093 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81572070 RDX: ffff88803090c880 RSI: ffffffff81572079 RDI: 0000000000000005 RBP: ffff88801f918b10 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000008 R14: ffff888030df0000 R15: ffff888030df0000 FS: 00007f82f6eff6c0(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002038 CR3: 0000000043552000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work_on+0x11a/0x140 kernel/workqueue.c:2390 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:729 [inline] __sock_sendmsg net/socket.c:744 [inline] ____sys_sendmsg+0xaaf/0xc90 net/socket.c:2607 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2661 __sys_sendmmsg+0x1a1/0x450 net/socket.c:2747 __do_sys_sendmmsg net/socket.c:2776 [inline] __se_sys_sendmmsg net/socket.c:2773 [inline] __x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2773 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: 0033:0x7f82f627cce9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f82f6eff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f82f639bf80 RCX: 00007f82f627cce9 RDX: 0000000000000735 RSI: 0000000020000b80 RDI: 0000000000000004 RBP: 00007f82f62c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000024044840 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f82f639bf80 R15: 00007ffc7ec63668