panic: Unknown syscall 165 error: strconv.ParseInt: parsing "0xffffffffffffffff": invalid syntax goroutine 823 [running]: panic(0xfc1e60, 0xc000422050) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000747bf0 sp=0xc000747b38 pc=0x437030 gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno(0x12de940, 0xc00067e510, 0xa5, 0x200020c0) pkg/sentry/kernel/task_syscall.go:402 +0x2e9 fp=0xc000747c58 sp=0xc000747bf0 pc=0x9cec29 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0002c4a80, 0xa5, 0xf0ffff, 0x200020c0, 0x20002100, 0x0, 0x20002140, 0x0, 0x20002140, 0x0) pkg/sentry/kernel/task_syscall.go:249 +0x165 fp=0xc000747ce0 sp=0xc000747c58 pc=0x9cd3e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0002c4a80, 0xa5, 0xf0ffff, 0x200020c0, 0x20002100, 0x0, 0x20002140, 0x0, 0xdddb6e, 0xc00043d660) pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc000747d40 sp=0xc000747ce0 pc=0x9cce98 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0002c4a80, 0x2, 0xc0002c4a80) pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc000747e10 sp=0xc000747d40 pc=0x9cc83c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0002c4a80, 0x12dd140, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc000747f60 sp=0xc000747e10 pc=0x9c0c85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0002c4a80, 0x20) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc000747fd0 sp=0xc000747f60 pc=0x9bf94f runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000747fd8 sp=0xc000747fd0 pc=0x4705a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0xfe