panic: Unknown syscall 165 error: strconv.ParseInt: parsing "0xffffffffffffffff": invalid syntax goroutine 845 [running]: panic(0xfc1ea0, 0xc000818040) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc0008b3bf0 sp=0xc0008b3b38 pc=0x437030 gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno(0x12debe0, 0xc000166ea0, 0xa5, 0x200020c0) pkg/sentry/kernel/task_syscall.go:402 +0x2e9 fp=0xc0008b3c58 sp=0xc0008b3bf0 pc=0x9cec29 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0004e0a80, 0xa5, 0xf0ffff, 0x200020c0, 0x20002100, 0x0, 0x20002140, 0x0, 0x20002140, 0x0) pkg/sentry/kernel/task_syscall.go:249 +0x165 fp=0xc0008b3ce0 sp=0xc0008b3c58 pc=0x9cd3e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0004e0a80, 0xa5, 0xf0ffff, 0x200020c0, 0x20002100, 0x0, 0x20002140, 0x0, 0xdde18e, 0xc00074c5e0) pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc0008b3d40 sp=0xc0008b3ce0 pc=0x9cce98 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0004e0a80, 0x2, 0xc0004e0a80) pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc0008b3e10 sp=0xc0008b3d40 pc=0x9cc83c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0004e0a80, 0x12dd3e0, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc0008b3f60 sp=0xc0008b3e10 pc=0x9c0c85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0004e0a80, 0x22) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc0008b3fd0 sp=0xc0008b3f60 pc=0x9bf94f runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc0008b3fd8 sp=0xc0008b3fd0 pc=0x4705a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0xfe