------------[ cut here ]------------
WARNING: CPU: 0 PID: 7126 at kernel/locking/lockdep.c:853 look_up_lock_class kernel/locking/lockdep.c:853 [inline]
WARNING: CPU: 0 PID: 7126 at kernel/locking/lockdep.c:853 register_lock_class+0x1f0/0x1630 kernel/locking/lockdep.c:1201
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 7126 Comm: syz-executor.4 Not tainted 5.9.0-rc6-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+0x198/0x1fd lib/dump_stack.c:118
 panic+0x382/0x7fb kernel/panic.c:231
 __warn.cold+0x20/0x4b kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x14/0x40 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+0x1f0/0x1630 kernel/locking/lockdep.c:1201
Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 fd 0f 00 00 4d 3b 67 18 74 0b 49 81 3f 00 15 9a 8c 74 02 <0f> 0b 85 ed 0f 84 b2 00 00 00 f6 44 24 04 01 0f 85 a7 00 00 00 83
RSP: 0018:ffffc90016a27a40 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 1ffff92002d44f4f RCX: ffffffff8d435160
RDX: 1ffff1101427c617 RSI: 0000000000000000 RDI: ffff8880a13e30b8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff894435c0
R13: ffffffff8dfdb000 R14: ffffffff8d0fac38 R15: ffff8880a13e30a0
 __lock_acquire+0x101/0x5780 kernel/locking/lockdep.c:4320
 lock_acquire+0x1f3/0xaf0 kernel/locking/lockdep.c:5029
 __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:3048
 lock_sock include/net/sock.h:1583 [inline]
 inet_autobind+0x1a/0x190 net/ipv4/af_inet.c:180
 inet_dgram_connect+0x245/0x2d0 net/ipv4/af_inet.c:575
 __sys_connect_file+0x155/0x1a0 net/socket.c:1852
 __sys_connect+0x161/0x190 net/socket.c:1869
 __do_sys_connect net/socket.c:1879 [inline]
 __se_sys_connect net/socket.c:1876 [inline]
 __x64_sys_connect+0x6f/0xb0 net/socket.c:1876
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e179
Code: 3d b2 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 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f2ea7f51c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000002380 RCX: 000000000045e179
RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000006
RBP: 000000000118d028 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cff4
R13: 000000000169fb6f R14: 00007f2ea7f529c0 R15: 000000000118cff4
Kernel Offset: disabled
Rebooting in 86400 seconds..