------------[ cut here ]------------
WARNING: CPU: 0 PID: 12846 at kernel/workqueue.c:2257 __queue_work+0xcd3/0xf50 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 12846 Comm: syz.3.1821 Not tainted 6.14.0-rc2-syzkaller-00175-ga92c32287664 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__queue_work+0xcd3/0xf50 kernel/workqueue.c:2256
Code: ff e8 d1 ad 38 00 90 0f 0b 90 e9 b2 fe ff ff e8 c3 ad 38 00 eb 13 e8 bc ad 38 00 eb 0c e8 b5 ad 38 00 eb 05 e8 ae ad 38 00 90 <0f> 0b 90 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
RSP: 0018:ffffc90004effca8 EFLAGS: 00010087
RAX: ffffffff818909a4 RBX: ffff88807b9b5a00 RCX: 0000000000080000
RDX: ffffc9000f38a000 RSI: 000000000000006b RDI: 000000000000006c
RBP: 0000000000000000 R08: ffffffff8188fe04 R09: 0000000000000000
R10: ffffc90004effd80 R11: fffff520009dffb1 R12: ffff8880286f1000
R13: ffff8880286f11c0 R14: dffffc0000000000 R15: 0000000000000008
FS:  00007f23babe66c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400000000040 CR3: 000000006c490000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queue_delayed_work_on+0x1ca/0x390 kernel/workqueue.c:2559
 sco_conn_free net/bluetooth/sco.c:91 [inline]
 kref_put include/linux/kref.h:65 [inline]
 sco_conn_put+0x145/0x210 net/bluetooth/sco.c:107
 sco_chan_del+0xa3/0x180 net/bluetooth/sco.c:236
 sco_sock_shutdown+0x164/0x3f0 net/bluetooth/sco.c:1276
 __sys_shutdown_sock net/socket.c:2413 [inline]
 __sys_shutdown net/socket.c:2429 [inline]
 __do_sys_shutdown net/socket.c:2434 [inline]
 __se_sys_shutdown net/socket.c:2432 [inline]
 __x64_sys_shutdown+0x13f/0x1a0 net/socket.c:2432
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f23b9d8cde9
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:00007f23babe6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000030
RAX: ffffffffffffffda RBX: 00007f23b9fa6080 RCX: 00007f23b9d8cde9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f23b9e0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f23b9fa6080 R15: 00007ffeea7d2d88
 </TASK>