panic: Unknown syscall 165 error: strconv.ParseInt: parsing "0xffffffffffffffff": invalid syntax goroutine 416 [running]: panic(0xfc1ea0, 0xc000300410) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000775bf0 sp=0xc000775b38 pc=0x437030 gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno(0x12debe0, 0xc00016eba0, 0xa5, 0x20000000) pkg/sentry/kernel/task_syscall.go:402 +0x2e9 fp=0xc000775c58 sp=0xc000775bf0 pc=0x9cec29 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0001db500, 0xa5, 0x20000008, 0x20000000, 0x20000040, 0x0, 0x20000140, 0x0, 0x20000140, 0x0) pkg/sentry/kernel/task_syscall.go:249 +0x165 fp=0xc000775ce0 sp=0xc000775c58 pc=0x9cd3e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0001db500, 0xa5, 0x20000008, 0x20000000, 0x20000040, 0x0, 0x20000140, 0x0, 0xdde205, 0xc0005b6068) pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc000775d40 sp=0xc000775ce0 pc=0x9cce98 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0001db500, 0x2, 0xc0001db500) pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc000775e10 sp=0xc000775d40 pc=0x9cc83c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0001db500, 0x12dd3e0, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc000775f60 sp=0xc000775e10 pc=0x9c0c85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0001db500, 0xf) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc000775fd0 sp=0xc000775f60 pc=0x9bf94f runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000775fd8 sp=0xc000775fd0 pc=0x4705a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0xfe