------------[ cut here ]------------
WARNING: CPU: 1 PID: 9765 at kernel/locking/lockdep.c:894 look_up_lock_class kernel/locking/lockdep.c:894 [inline]
WARNING: CPU: 1 PID: 9765 at kernel/locking/lockdep.c:894 register_lock_class+0x1fb/0x1100 kernel/locking/lockdep.c:1242
Modules linked in:
CPU: 1 PID: 9765 Comm: syz-executor.0 Not tainted 5.11.0-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+0x1fb/0x1100 kernel/locking/lockdep.c:1242
Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 21 0d 00 00 4d 3b 67 18 74 0b 49 81 3f c0 f2 15 8f 74 02 <0f> 0b 85 ed 0f 84 20 01 00 00 f6 44 24 04 01 0f 85 15 01 00 00 83
RSP: 0018:ffffc900097b7a28 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 1ffff920012f6f4c RCX: ffffffff8fc02660
RDX: 1ffff1100688621f RSI: 0000000000000000 RDI: ffff8880344310f8
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8a434b80
R13: ffffffff90759740 R14: ffffffff8f8c0b00 R15: ffff8880344310e0
FS: 00007fa72344f700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000053b198 CR3: 000000001246e000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__lock_acquire+0x101/0x54f0 kernel/locking/lockdep.c:4711
lock_acquire kernel/locking/lockdep.c:5442 [inline]
lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
_raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175
spin_lock_bh include/linux/spinlock.h:359 [inline]
lock_sock_nested+0x3b/0x110 net/core/sock.c:3049
lock_sock include/net/sock.h:1594 [inline]
selinux_netlbl_socket_connect+0x18/0x40 security/selinux/netlabel.c:607
selinux_socket_connect+0x65/0x80 security/selinux/hooks.c:4808
security_socket_connect+0x50/0xb0 security/security.c:2126
__sys_connect_file+0xa2/0x1a0 net/socket.c:1831
__sys_connect+0x161/0x190 net/socket.c:1852
__do_sys_connect net/socket.c:1862 [inline]
__se_sys_connect net/socket.c:1859 [inline]
__x64_sys_connect+0x6f/0xb0 net/socket.c:1859
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x465d99
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:00007fa72344f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465d99
RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008
R13: 00007fff30b026ef R14: 00007fa72344f300 R15: 0000000000022000