------------[ cut here ]------------
WARNING: CPU: 0 PID: 10343 at kernel/locking/lockdep.c:840 look_up_lock_class kernel/locking/lockdep.c:840 [inline]
WARNING: CPU: 0 PID: 10343 at kernel/locking/lockdep.c:840 register_lock_class+0x206/0x1850 kernel/locking/lockdep.c:1185
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 10343 Comm: syz-executor.5 Not tainted 5.4.0-rc7+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:look_up_lock_class kernel/locking/lockdep.c:840 [inline]
RIP: 0010:register_lock_class+0x206/0x1850 kernel/locking/lockdep.c:1185
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 aa 10 00 00 4c 3b 7b 18 44 8b 35 b5 58 55 09 74 0b 48 81 3b e0 a5 06 8a 74 02 <0f> 0b 45 85 ed 0f 84 71 03 00 00 f6 85 70 ff ff ff 01 0f 85 64 03
RSP: 0018:ffff88805970fa80 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: ffff88809954a860 RCX: 0000000000000000
RDX: 1ffff110132a950f RSI: 0000000000000000 RDI: ffff88809954a878
RBP: ffff88805970fb48 R08: 1ffff1100b2e1f58 R09: ffffffff8aaee1a0
R10: ffffffff8a774b70 R11: 0000000000000000 R12: ffffffff8a7b9050
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff88473a00
 __lock_acquire+0xf4/0x4a00 kernel/locking/lockdep.c:3837
 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4487
 __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:343 [inline]
 lock_sock_nested+0x41/0x120 net/core/sock.c:2938
 lock_sock include/net/sock.h:1527 [inline]
 inet_autobind+0x20/0x1a0 net/ipv4/af_inet.c:179
 inet_dgram_connect+0x243/0x2d0 net/ipv4/af_inet.c:569
 __sys_connect+0x264/0x330 net/socket.c:1828
 __do_sys_connect net/socket.c:1839 [inline]
 __se_sys_connect net/socket.c:1836 [inline]
 __x64_sys_connect+0x73/0xb0 net/socket.c:1836
 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a639
Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fe9260ecc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a639
RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9260ed6d4
R13: 00000000004c0dd5 R14: 00000000004d3798 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..