WARNING in l2cap_chan

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in l2cap_chan_send bluetooth				42	13d	355d	0/28	upstream: reported on 2024/04/14 00:26
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WARNING: CPU: 0 PID: 5079 at kernel/workqueue.c:1441 __queue_work+0xddc/0xf90 kernel/workqueue.c:-1
Modules linked in:
CPU: 0 PID: 5079 Comm: syz.1.173 Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__queue_work+0xddc/0xf90 kernel/workqueue.c:1441
Code: 8b 3c 24 e8 66 55 88 00 e9 d9 fc ff ff e8 2c f4 30 00 89 ee 48 c7 c7 a0 c5 1d 8d e8 5e 42 15 03 e9 1e fc ff ff e8 14 f4 30 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 fe f3 30 00
RSP: 0018:ffffc9000548f538 EFLAGS: 00010083
RAX: ffffffff8159b5ac RBX: 00000000000b0012 RCX: 0000000000080000
RDX: ffffc90005b19000 RSI: 000000000000d9ac RDI: 000000000000d9ad
RBP: 0000000000010000 R08: ffffffff815aa28b R09: ffffed100b2881b5
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000200
R13: dffffc0000000000 R14: 0000000000000008 R15: ffff88801fa73000
FS:  00007f65b81316c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000006038 CR3: 00000000673fe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queue_work_on+0x14b/0x250 kernel/workqueue.c:1548
 l2cap_chan_send+0x3cd/0x2680 net/bluetooth/l2cap_core.c:-1
 l2cap_sock_sendmsg+0x1b0/0x2c0 net/bluetooth/l2cap_sock.c:1162
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x5d3/0x9a0 net/socket.c:2519
 ___sys_sendmsg net/socket.c:2573 [inline]
 __sys_sendmmsg+0x3ab/0x730 net/socket.c:2659
 __do_sys_sendmmsg net/socket.c:2688 [inline]
 __se_sys_sendmmsg net/socket.c:2685 [inline]
 __x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f65b738d169
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:00007f65b8131038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f65b75a5fa0 RCX: 00007f65b738d169
RDX: 00000000ffffff80 RSI: 0000200000004100 RDI: 0000000000000005
RBP: 00007f65b740e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f65b75a5fa0 R15: 00007fff9ad73f78
 </TASK>