------------[ cut here ]------------ WARNING: CPU: 1 PID: 11258 at kernel/locking/lockdep.c:854 look_up_lock_class kernel/locking/lockdep.c:853 [inline] WARNING: CPU: 1 PID: 11258 at kernel/locking/lockdep.c:854 register_lock_class+0xb3/0x580 kernel/locking/lockdep.c:1201 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 11258 Comm: syz-executor.0 Not tainted 5.8.0-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+0xb9/0xf1 lib/dump_stack.c:118 panic+0x115/0x30c kernel/panic.c:231 __warn.cold.13+0x20/0x26 kernel/panic.c:600 report_bug+0xc5/0x100 lib/bug.c:198 handle_bug+0x39/0xa0 arch/x86/kernel/traps.c:234 exc_invalid_op+0x18/0x70 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+0xb3/0x580 kernel/locking/lockdep.c:1201 Code: 00 00 4d 8b 36 4d 85 f6 0f 84 1c 01 00 00 49 3b 56 40 75 ee 49 8b 47 18 49 39 86 a8 00 00 00 74 0b 49 81 3f a0 ce 63 84 74 02 <0f> 0b 45 85 e4 74 48 83 e3 01 75 43 41 83 fc 01 77 04 4d 89 77 10 RSP: 0018:ffffc9000266bc00 EFLAGS: 00010002 RAX: ffffffff83d71cce RBX: 0000000000000000 RCX: 0000000000000894 RDX: ffffffff853b03a0 RSI: 0000000000000000 RDI: ffffffff853b03a0 RBP: ffffc9000266bc70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff84d92448 R15: ffff88811f1fe8e0 __lock_acquire+0x75/0x1680 kernel/locking/lockdep.c:4305 lock_acquire+0xd0/0x3d0 kernel/locking/lockdep.c:5005 __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] lock_sock_nested+0x31/0xa0 net/core/sock.c:3048 lock_sock include/net/sock.h:1583 [inline] inet_autobind+0xf/0x60 net/ipv4/af_inet.c:180 inet_dgram_connect+0x84/0xa0 net/ipv4/af_inet.c:575 __sys_connect_file+0x5f/0x70 net/socket.c:1852 __sys_connect+0x97/0xd0 net/socket.c:1869 __do_sys_connect net/socket.c:1879 [inline] __se_sys_connect net/socket.c:1876 [inline] __x64_sys_connect+0x15/0x20 net/socket.c:1876 do_syscall_64+0x37/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x458e29 Code: 2d b8 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 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f60855b7c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458e29 RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000007 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60855b86d4 R13: 00000000004bf271 R14: 00000000004d0340 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..