------------[ cut here ]------------ WARNING: CPU: 1 PID: 7897 at kernel/workqueue.c:2259 __queue_work+0xc2b/0x1070 kernel/workqueue.c:2258 Modules linked in: CPU: 1 UID: 0 PID: 7897 Comm: syz-executor.1 Not tainted 6.11.0-rc2-syzkaller-00004-gb446a2dae984 #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 ae 36 92 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 8f 0a 35 00 85 db 75 60 e8 86 0f 35 00 90 <0f> 0b 90 e9 08 f8 ff ff e8 78 0f 35 00 90 0f 0b 90 e9 b7 f7 ff ff RSP: 0018:ffffc9002162f7a0 EFLAGS: 00010093 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81556dd1 RDX: ffff8880423fc880 RSI: ffffffff81556dda RDI: 0000000000000005 RBP: ffff88803d620b10 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000008 R14: ffff88802306d000 R15: ffff88802306d000 FS: 00007f3c9b3c36c0(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0921900d83 CR3: 000000003d106000 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: 0033:0x7f3c9a67cce9 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:00007f3c9b3c30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f3c9a79bf80 RCX: 00007f3c9a67cce9 RDX: 0000000000000735 RSI: 0000000020000b80 RDI: 0000000000000004 RBP: 00007f3c9a6c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000024044840 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f3c9a79bf80 R15: 00007ffede923898