------------[ cut here ]------------ WARNING: CPU: 1 PID: 12347 at kernel/locking/lockdep.c:895 look_up_lock_class kernel/locking/lockdep.c:895 [inline] WARNING: CPU: 1 PID: 12347 at kernel/locking/lockdep.c:895 register_lock_class+0x206/0x1920 kernel/locking/lockdep.c:1244 Modules linked in: CPU: 1 PID: 12347 Comm: syz-executor.2 Not tainted 5.13.0-rc5-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:895 [inline] RIP: 0010:register_lock_class+0x206/0x1920 kernel/locking/lockdep.c:1244 Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 1a 10 00 00 4d 3b 68 18 74 0b 49 81 38 40 0e 26 8a 74 02 <0f> 0b 45 85 c9 0f 84 b3 00 00 00 f6 85 70 ff ff ff 01 0f 85 a6 00 RSP: 0018:ffff88812f2e79c0 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff11025e5cf41 RCX: ffffffff8ad041a0 RDX: 1ffff11020492b0f RSI: 0000000000000000 RDI: ffff888102495878 RBP: ffff88812f2e7a90 R08: ffff888102495860 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88810ac66818 R12: ffffffff8a9bf440 R13: ffffffff8843be40 R14: ffff88812f2e7a68 R15: ffffffff8afd1360 FS: 00007fe973491700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000180 CR3: 000000011b089002 CR4: 00000000001706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lock_acquire+0xff/0x53d0 kernel/locking/lockdep.c:4781 lock_acquire kernel/locking/lockdep.c:5512 [inline] lock_acquire+0x22a/0x8c0 kernel/locking/lockdep.c:5477 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] lock_sock_nested+0x3f/0x100 net/core/sock.c:3065 lock_sock include/net/sock.h:1610 [inline] selinux_netlbl_socket_connect+0x15/0x40 security/selinux/netlabel.c:607 selinux_socket_connect+0x4c/0x70 security/selinux/hooks.c:4976 security_socket_connect+0x50/0x90 security/security.c:2190 __sys_connect_file+0x96/0x1a0 net/socket.c:1833 __sys_connect+0x101/0x130 net/socket.c:1854 __do_sys_connect net/socket.c:1864 [inline] __se_sys_connect net/socket.c:1861 [inline] __x64_sys_connect+0x6e/0xb0 net/socket.c:1861 do_syscall_64+0x40/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4605f9 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:00007fe973491198 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 000000000052bfa0 RCX: 00000000004605f9 RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000007 RBP: 00000000004a9a99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000003 R14: 00000000004aa986 R15: 00007fe9734916bc irq event stamp: 174 hardirqs last enabled at (173): [] syscall_enter_from_user_mode+0x21/0x70 kernel/entry/common.c:106 hardirqs last disabled at (172): [] do_syscall_64+0x1c/0xb0 arch/x86/entry/common.c:42 softirqs last enabled at (66): [] spin_unlock_bh include/linux/spinlock.h:399 [inline] softirqs last enabled at (66): [] vsock_insert_unbound net/vmw_vsock/af_vsock.c:266 [inline] softirqs last enabled at (66): [] vsock_create net/vmw_vsock/af_vsock.c:2066 [inline] softirqs last enabled at (66): [] vsock_create+0x20f/0x370 net/vmw_vsock/af_vsock.c:2026 softirqs last disabled at (174): [] spin_lock_bh include/linux/spinlock.h:359 [inline] softirqs last disabled at (174): [] lock_sock_nested+0x3f/0x100 net/core/sock.c:3065 ---[ end trace cacf64cadd234ef8 ]---