INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 8658 Comm: syz-executor.0 Not tainted 5.12.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x176/0x24e lib/dump_stack.c:120
 register_lock_class+0xd87/0x1310 kernel/locking/lockdep.c:934
 __lock_acquire+0x106/0x5e60 kernel/locking/lockdep.c:4779
 lock_acquire+0x126/0x650 kernel/locking/lockdep.c:5510
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x73/0xa0 kernel/locking/spinlock.c:159
 skb_dequeue net/core/skbuff.c:3094 [inline]
 skb_queue_purge+0x2e/0x1c0 net/core/skbuff.c:3132
 l2cap_sock_shutdown+0x421/0x880 net/bluetooth/l2cap_sock.c:1339
 l2cap_sock_release+0x68/0x1c0 net/bluetooth/l2cap_sock.c:1382
 __sock_release net/socket.c:599 [inline]
 sock_close+0xd8/0x260 net/socket.c:1258
 __fput+0x352/0x7b0 fs/file_table.c:280
 task_work_run+0x146/0x1c0 kernel/task_work.c:140
 get_signal+0x1e47/0x1ef0 kernel/signal.c:2558
 arch_do_signal_or_restart+0x41/0x620 arch/x86/kernel/signal.c:789
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0xac/0x1e0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x70 kernel/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x466459
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb8e2a75188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: fffffffffffffffc RBX: 000000000056c008 RCX: 0000000000466459
RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000006
RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008
R13: 00007ffd19b3c86f R14: 00007fb8e2a75300 R15: 0000000000022000