WARNING in l2cap_chan

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in l2cap_chan_del bluetooth				2	28d	52d	0/26	upstream: reported on 2024/03/17 15:15
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WARNING: CPU: 1 PID: 29005 at kernel/workqueue.c:1453 __queue_work+0xbaf/0xd00
Modules linked in:
CPU: 1 PID: 29005 Comm: syz-executor.2 Not tainted 5.15.137-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:__queue_work+0xbaf/0xd00 kernel/workqueue.c:1453
Code: 7c 24 10 e8 b3 4a 77 00 e9 1c fd ff ff e8 49 95 2d 00 89 ee 48 c7 c7 40 0d 7d 8c e8 8b 30 d6 02 e9 64 fc ff ff e8 31 95 2d 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1b 95 2d 00
RSP: 0018:ffffc9000401fbf8 EFLAGS: 00010087
RAX: ffffffff81528d1f RBX: 00000000000b0012 RCX: 0000000000040000
RDX: ffffc9000bbb3000 RSI: 00000000000000ff RDI: 0000000000000100
RBP: 0000000000010000 R08: ffffffff81536f6b R09: ffffed100e26bc28
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888077b07000 R14: 0000000000000008 R15: 0000000000000000
FS:  00007fc37fd7a6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc37fd7ad58 CR3: 00000000785ce000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queue_delayed_work_on+0x156/0x250 kernel/workqueue.c:1715
 l2cap_chan_del+0x2cd/0x610 net/bluetooth/l2cap_core.c:668
 l2cap_chan_close+0x100/0x880 net/bluetooth/l2cap_core.c:856
 l2cap_sock_shutdown+0x3b8/0x870 net/bluetooth/l2cap_sock.c:1377
 __sys_shutdown_sock net/socket.c:2268 [inline]
 __sys_shutdown net/socket.c:2280 [inline]
 __do_sys_shutdown net/socket.c:2288 [inline]
 __se_sys_shutdown+0x147/0x1a0 net/socket.c:2286
 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+0x61/0xcb
RIP: 0033:0x7fc381819ae9
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:00007fc37fd7a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000030
RAX: ffffffffffffffda RBX: 00007fc381939050 RCX: 00007fc381819ae9
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000004
RBP: 00007fc38186547a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc381939050 R15: 00007ffcff92bef8
 </TASK>