panic: Unknown syscall 165 error: strconv.ParseInt: parsing "0xffffffffffffffff": invalid syntax goroutine 1175 [running]: panic(0xfc2f40, 0xc000690000) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000885bf0 sp=0xc000885b38 pc=0x437030 gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno(0x12dfe00, 0xc0000d2210, 0xa5, 0x20000000) pkg/sentry/kernel/task_syscall.go:402 +0x2e9 fp=0xc000885c58 sp=0xc000885bf0 pc=0x9cec49 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0001d9500, 0xa5, 0x20000008, 0x20000000, 0x20000040, 0x0, 0x20000140, 0x0, 0x20000140, 0x0) pkg/sentry/kernel/task_syscall.go:249 +0x165 fp=0xc000885ce0 sp=0xc000885c58 pc=0x9cd405 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0001d9500, 0xa5, 0x20000008, 0x20000000, 0x20000040, 0x0, 0x20000140, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc000885d40 sp=0xc000885ce0 pc=0x9cceb8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0001d9500, 0x2, 0xc0001d9500) pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc000885e10 sp=0xc000885d40 pc=0x9cc85c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0001d9500, 0x12de600, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc000885f60 sp=0xc000885e10 pc=0x9c0ca5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0001d9500, 0x1d) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc000885fd0 sp=0xc000885f60 pc=0x9bf96f runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000885fd8 sp=0xc000885fd0 pc=0x4705a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0xfe