------------[ cut here ]------------
WARNING: CPU: 0 PID: 16560 at kernel/locking/lockdep.c:854 look_up_lock_class kernel/locking/lockdep.c:853 [inline]
WARNING: CPU: 0 PID: 16560 at kernel/locking/lockdep.c:854 register_lock_class+0x225/0x1520 kernel/locking/lockdep.c:1201
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 16560 Comm: syz-executor.5 Not tainted 5.9.0-rc7-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+0x1d6/0x29e lib/dump_stack.c:118
 panic+0x2c0/0x800 kernel/panic.c:231
 __warn+0x227/0x250 kernel/panic.c:600
 report_bug+0x1b1/0x2e0 lib/bug.c:198
 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:look_up_lock_class kernel/locking/lockdep.c:853 [inline]
RIP: 0010:register_lock_class+0x225/0x1520 kernel/locking/lockdep.c:1201
Code: 0f 84 cb 0a 00 00 43 80 3c 2f 00 48 8b 5c 24 08 74 08 48 89 df e8 2b 20 5b 00 48 c7 c0 30 e4 ff 8a 48 39 03 0f 84 a7 0a 00 00 <0f> 0b e9 a0 0a 00 00 e8 7f 04 f2 06 48 c7 c7 b4 f1 2a 89 89 de 31
RSP: 0018:ffffc900054c7b08 EFLAGS: 00010002
RAX: ffffffff8affe430 RBX: ffff8880970a88a0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880970a88a0
RBP: ffffffff8b260d18 R08: 0000000000000001 R09: 0000000000000000
R10: fffffbfff135f63e R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff894c365b R15: 1ffff11012e15114
 __lock_acquire+0xfd/0x2ae0 kernel/locking/lockdep.c:4320
 lock_acquire+0x148/0x720 kernel/locking/lockdep.c:5029
 __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]
 release_sock+0x2c/0x1c0 net/core/sock.c:3063
 inet_autobind net/ipv4/af_inet.c:189 [inline]
 inet_dgram_connect+0x1d5/0x360 net/ipv4/af_inet.c:575
 __sys_connect_file net/socket.c:1852 [inline]
 __sys_connect+0x2d8/0x350 net/socket.c:1869
 __do_sys_connect net/socket.c:1879 [inline]
 __se_sys_connect net/socket.c:1876 [inline]
 __x64_sys_connect+0x76/0x80 net/socket.c:1876
 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45de89
Code: 0d b4 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f1b8766ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000002380 RCX: 000000000045de89
RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000005
RBP: 000000000118c008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4
R13: 00007ffdae17304f R14: 00007f1b8766b9c0 R15: 000000000118bfd4
Kernel Offset: disabled
Rebooting in 86400 seconds..