TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __lock_acquire+0x3855/0x4e70 kernel/locking/lockdep.c:3982 CPU: 0 PID: 10918 Comm: syz-executor.0 Not tainted 5.3.0+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Kernel Offset: disabled Rebooting in 86400 seconds..