syzbot

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refcount_t: saturated; leaking memory.
WARNING: CPU: 0 PID: 4601 at lib/refcount.c:22 refcount_warn_saturate+0x11f/0x1a0 lib/refcount.c:22
Modules linked in:
CPU: 0 PID: 4601 Comm: kworker/0:9 Not tainted 5.18.0-rc3-syzkaller-00007-g559089e0a93d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events sco_sock_timeout
RIP: 0010:refcount_warn_saturate+0x11f/0x1a0 lib/refcount.c:22
Code: c7 20 ce c7 8a 31 c0 e8 ef d0 31 fd 0f 0b eb c1 e8 36 30 68 fd c6 05 00 4b af 09 01 48 c7 c7 a0 cc c7 8a 31 c0 e8 d1 d0 31 fd <0f> 0b eb a3 e8 18 30 68 fd c6 05 e3 4a af 09 01 48 c7 c7 00 cd c7
RSP: 0018:ffffc90004a2fbf0 EFLAGS: 00010246
RAX: d21f59306f27a500 RBX: 0000000000000001 RCX: ffff88806b7d5700
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff816ab082 R09: ffffed10173867f9
R10: ffffed10173867f9 R11: 1ffff110173867f8 R12: ffff888148946000
R13: dffffc0000000000 R14: ffff888148946080 R15: ffff88807f660a08
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d0a96c058 CR3: 000000000c68e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000048 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __refcount_inc include/linux/refcount.h:250 [inline]
 refcount_inc include/linux/refcount.h:267 [inline]
 sock_hold include/net/sock.h:726 [inline]
 sco_sock_timeout+0x1ab/0x240 net/bluetooth/sco.c:89
 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>