------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 7900 at kernel/locking/lockdep.c:203 hlock_class kernel/locking/lockdep.c:203 [inline]
WARNING: CPU: 0 PID: 7900 at kernel/locking/lockdep.c:203 hlock_class kernel/locking/lockdep.c:192 [inline]
WARNING: CPU: 0 PID: 7900 at kernel/locking/lockdep.c:203 check_wait_context kernel/locking/lockdep.c:4700 [inline]
WARNING: CPU: 0 PID: 7900 at kernel/locking/lockdep.c:203 __lock_acquire+0x1344/0x54a0 kernel/locking/lockdep.c:4977
Modules linked in:
CPU: 0 PID: 7900 Comm: kworker/0:5 Not tainted 5.16.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events sco_sock_timeout
RIP: 0010:hlock_class kernel/locking/lockdep.c:203 [inline]
RIP: 0010:hlock_class kernel/locking/lockdep.c:192 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4700 [inline]
RIP: 0010:__lock_acquire+0x1344/0x54a0 kernel/locking/lockdep.c:4977
Code: 08 84 d2 0f 85 f1 3d 00 00 8b 05 df 33 35 0c 85 c0 0f 85 f4 fd ff ff 48 c7 c6 60 18 ac 89 48 c7 c7 20 0c ac 89 e8 d6 e0 a4 07 <0f> 0b 31 ed e9 b7 f0 ff ff e8 ae 58 7b 02 85 c0 0f 84 12 fe ff ff
RSP: 0018:ffffc9000b7cfaa0 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff888028523130 RCX: 0000000000000000
RDX: ffff8880285fd700 RSI: ffffffff815f0c28 RDI: fffff520016f9f46
RBP: 00000000000018a0 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815ea9ce R11: 0000000000000000 R12: ffff8880285fe1b0
R13: ffff8880285fd700 R14: 0000000000040000 R15: 00000000000418a0
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005558a5fc7700 CR3: 000000007a805000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire kernel/locking/lockdep.c:5637 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602
 lock_sock_nested+0x36/0xf0 net/core/sock.c:3291
 lock_sock include/net/sock.h:1675 [inline]
 sco_sock_timeout+0xd2/0x290 net/bluetooth/sco.c:97
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>