panic: Unknown syscall 86 error: payload too small. Minimum data lenth required: 128, but got data length 0 goroutine 650479 [running]: panic(0x121ab00, 0xc0075e8100) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc09d043c10 sp=0xc09d043b48 pc=0x437c65 gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno(0x15d87a0, 0xc0075e80f0, 0x56, 0x20000380) pkg/sentry/kernel/task_syscall.go:509 +0x3ee fp=0xc09d043c78 sp=0xc09d043c10 pc=0xa879ae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007806000, 0x56, 0x20000340, 0x20000380, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:307 +0x1d9 fp=0xc09d043d00 sp=0xc09d043c78 pc=0xa85d39 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc007806000, 0x56, 0x20000340, 0x20000380, 0x0, 0x0, 0x0, 0x0, 0xc09ab837d0, 0xc00747a750) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc09d043d60 sp=0xc09d043d00 pc=0xa856b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc007806000, 0x2, 0xc007806000) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc09d043e30 sp=0xc09d043d60 pc=0xa84f98 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc007806000, 0x15d9940, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc09d043f68 sp=0xc09d043e30 pc=0xa77eba gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007806000, 0x7024) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc09d043fd0 sp=0xc09d043f68 pc=0xa76c79 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc09d043fd8 sp=0xc09d043fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:398 +0x116