------------[ cut here ]------------
WARNING: CPU: 1 PID: 18333 at kernel/locking/lockdep.c:895 look_up_lock_class kernel/locking/lockdep.c:894 [inline]
WARNING: CPU: 1 PID: 18333 at kernel/locking/lockdep.c:895 register_lock_class+0xb3/0x580 kernel/locking/lockdep.c:1242
Modules linked in:
CPU: 1 PID: 18333 Comm: syz-executor.0 Not tainted 5.11.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:look_up_lock_class kernel/locking/lockdep.c:894 [inline]
RIP: 0010:register_lock_class+0xb3/0x580 kernel/locking/lockdep.c:1242
Code: 00 00 4d 8b 36 4d 85 f6 0f 84 1c 01 00 00 49 3b 56 40 75 ee 49 8b 47 18 49 39 86 b0 00 00 00 74 0b 49 81 3f 60 ee 74 84 74 02 <0f> 0b 45 85 e4 74 48 83 e3 01 75 43 41 83 fc 01 77 04 4d 89 77 10
RSP: 0018:ffffc900022ebbc0 EFLAGS: 00010006
RAX: ffffffff83dd1865 RBX: 0000000000000000 RCX: 0000000000000031
RDX: ffffffff854d1e00 RSI: 0000000000000000 RDI: ffffffff854d1e00
RBP: ffffc900022ebc30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff84eabde0 R15: ffff8881060ce820
FS:  00007fbd5a6c5700(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 0000000115a6c005 CR4: 00000000001706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __lock_acquire+0x75/0x17c0 kernel/locking/lockdep.c:4711
 lock_acquire+0xf9/0x410 kernel/locking/lockdep.c:5437
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
 _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:175
 spin_lock_bh include/linux/spinlock.h:359 [inline]
 lock_sock_nested+0x31/0xa0 net/core/sock.c:3049
 lock_sock include/net/sock.h:1594 [inline]
 selinux_netlbl_socket_connect+0x19/0x50 security/selinux/netlabel.c:607
 selinux_socket_connect+0x25/0x30 security/selinux/hooks.c:4808
 security_socket_connect+0x32/0x50 security/security.c:2126
 __sys_connect_file+0x37/0x70 net/socket.c:1831
 __sys_connect+0x97/0xd0 net/socket.c:1852
 __do_sys_connect net/socket.c:1862 [inline]
 __se_sys_connect net/socket.c:1859 [inline]
 __x64_sys_connect+0x15/0x20 net/socket.c:1859
 do_syscall_64+0x37/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x458e29
Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fbd5a6c4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458e29
RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000007
RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd5a6c56d4
R13: 00000000004bf271 R14: 00000000004d0340 R15: 00000000ffffffff