panic: Unknown syscall 4 error: payload too small. Minimum data lenth required: 104, but got data length 0 goroutine 74516 [running]: panic(0x1219b00, 0xc0066c8860) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc002d9dc10 sp=0xc002d9db48 pc=0x437c65 gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno(0x15d76c0, 0xc0066c8850, 0x4, 0x200028c0) pkg/sentry/kernel/task_syscall.go:509 +0x3ee fp=0xc002d9dc78 sp=0xc002d9dc10 pc=0xa8762e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc004a90a80, 0x4, 0x20002880, 0x200028c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:307 +0x1d9 fp=0xc002d9dd00 sp=0xc002d9dc78 pc=0xa859b9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc004a90a80, 0x4, 0x20002880, 0x200028c0, 0x0, 0x0, 0x0, 0x0, 0xc00429aa90, 0x1617468) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc002d9dd60 sp=0xc002d9dd00 pc=0xa85334 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004a90a80, 0x2, 0xc004a90a80) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc002d9de30 sp=0xc002d9dd60 pc=0xa84c18 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc004a90a80, 0x15d8860, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc002d9df68 sp=0xc002d9de30 pc=0xa77b3a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004a90a80, 0xb5e) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc002d9dfd0 sp=0xc002d9df68 pc=0xa768f9 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc002d9dfd8 sp=0xc002d9dfd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:398 +0x116