panic: Unknown syscall 165 error: strconv.ParseInt: parsing "": invalid syntax goroutine 473 [running]: panic(0x10a4280, 0xc000150240) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000541be8 sp=0xc000541b30 pc=0x437030 gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno(0x13e28c0, 0xc0008ac240, 0xa5, 0x20001d80) pkg/sentry/kernel/task_syscall.go:510 +0x349 fp=0xc000541c50 sp=0xc000541be8 pc=0xa4aa89 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0005c6a80, 0xa5, 0x20001d40, 0x20001d80, 0x20001dc0, 0x2000000, 0x20001e00, 0x0, 0x20001e00, 0x0) pkg/sentry/kernel/task_syscall.go:308 +0x1d9 fp=0xc000541cd8 sp=0xc000541c50 pc=0xa48fb9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0005c6a80, 0xa5, 0x20001d40, 0x20001d80, 0x20001dc0, 0x2000000, 0x20001e00, 0x0, 0xc0004c4868, 0xc0003106f0) pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc000541d38 sp=0xc000541cd8 pc=0xa48954 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0005c6a80, 0x2, 0xc0005c6a80) pkg/sentry/kernel/task_syscall.go:205 +0x198 fp=0xc000541e08 sp=0xc000541d38 pc=0xa48238 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0005c6a80, 0x13e10a0, 0x0) pkg/sentry/kernel/task_run.go:327 +0xd95 fp=0xc000541f60 sp=0xc000541e08 pc=0xa3acf5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0005c6a80, 0xb) pkg/sentry/kernel/task_run.go:100 +0x1e2 fp=0xc000541fd0 sp=0xc000541f60 pc=0xa39802 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000541fd8 sp=0xc000541fd0 pc=0x4705a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:374 +0x116