------------[ cut here ]------------
WARNING: CPU: 0 PID: 13085 at kernel/locking/lockdep.c:853 look_up_lock_class kernel/locking/lockdep.c:853 [inline]
WARNING: CPU: 0 PID: 13085 at kernel/locking/lockdep.c:853 register_lock_class+0x1fd/0x1760 kernel/locking/lockdep.c:1201
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 13085 Comm: syz-executor.4 Not tainted 5.7.0-syzkaller #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+0x188/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:105 [inline]
 fixup_bug arch/x86/kernel/traps.c:100 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:197
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:216
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:look_up_lock_class kernel/locking/lockdep.c:853 [inline]
RIP: 0010:register_lock_class+0x1fd/0x1760 kernel/locking/lockdep.c:1201
Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 66 10 00 00 4c 3b 7d 18 74 0c 48 81 7d 00 c0 14 c3 8b 74 02 <0f> 0b 45 85 ed 0f 84 1b 04 00 00 41 83 e6 01 0f 85 11 04 00 00 41
RSP: 0018:ffffc90002d479d0 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: ffffffff8c6c5120 RCX: 1ffffffff18686fa
RDX: 1ffff11011ce870f RSI: 0000000000000000 RDI: ffff88808e743878
RBP: ffff88808e743860 R08: ffffffff8c38b1b8 R09: 0000000000000000
R10: ffff88808e743860 R11: 0000000000000000 R12: 1ffff920005a8f42
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff88dc1200
 __lock_acquire+0xff/0x48a0 kernel/locking/lockdep.c:4259
 lock_acquire+0x1f2/0x8f0 kernel/locking/lockdep.c:4959
 __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:358 [inline]
 lock_sock_nested+0x3b/0x110 net/core/sock.c:3047
 lock_sock include/net/sock.h:1576 [inline]
 inet_autobind+0x1a/0x190 net/ipv4/af_inet.c:180
 inet_dgram_connect+0x245/0x2d0 net/ipv4/af_inet.c:572
 __sys_connect_file+0x155/0x1a0 net/socket.c:1854
 __sys_connect+0x160/0x190 net/socket.c:1871
 __do_sys_connect net/socket.c:1882 [inline]
 __se_sys_connect net/socket.c:1879 [inline]
 __x64_sys_connect+0x6f/0xb0 net/socket.c:1879
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45ca59
Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f099ad43c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00000000004db600 RCX: 000000000045ca59
RDX: 000000000000001c RSI: 0000000020000180 RDI: 0000000000000005
RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000008a R14: 00000000004c3462 R15: 00007f099ad446d4
Kernel Offset: disabled
Rebooting in 86400 seconds..