panic: Unknown syscall 165 error: strconv.ParseInt: parsing "": invalid syntax goroutine 611 [running]: panic(0x16d8b40, 0xc00079e070) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000839940 sp=0xc000839888 pc=0x439090 gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno(0x1a70b40, 0xc0005183c0, 0xa5, 0x20001d80) pkg/sentry/kernel/task_syscall.go:402 +0x48d fp=0xc0008399d0 sp=0xc000839940 pc=0xd63cad gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0005e4a80, 0xa5, 0x20001d40, 0x20001d80, 0x20001dc0, 0x2000000, 0x20001e00, 0x0, 0x408638, 0xc0005e535f) pkg/sentry/kernel/task_syscall.go:249 +0x15b fp=0xc000839ab0 sp=0xc0008399d0 pc=0xd6193b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0005e4a80, 0xa5, 0x20001d40, 0x20001d80, 0x20001dc0, 0x2000000, 0x20001e00, 0x0, 0x13728ab, 0x2d12694) pkg/sentry/kernel/task_syscall.go:199 +0x10f fp=0xc000839b60 sp=0xc000839ab0 pc=0xd611af gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0005e4a80, 0x2, 0xc0005e4a80) pkg/sentry/kernel/task_syscall.go:174 +0x1ea fp=0xc000839ca0 sp=0xc000839b60 pc=0xd6094a gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0005e4a80, 0x1a6f320, 0x0) pkg/sentry/kernel/task_run.go:282 +0x12a7 fp=0xc000839ed8 sp=0xc000839ca0 pc=0xd4c2c7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0005e4a80, 0xd) pkg/sentry/kernel/task_run.go:97 +0x398 fp=0xc000839fd0 sp=0xc000839ed8 pc=0xd4a3f8 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000839fd8 sp=0xc000839fd0 pc=0x4745e1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0x1a5