panic: Unknown syscall 4 error: payload too small. Minimum data lenth required: 104, but got data length 0 goroutine 914066 [running]: panic(0x1103aa0, 0xc007cb4880) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000e93c08 sp=0xc000e93b40 pc=0x437c65 gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno(0x14928e0, 0xc007cb4870, 0x4, 0x20000100) pkg/sentry/kernel/task_syscall.go:401 +0x329 fp=0xc000e93c70 sp=0xc000e93c08 pc=0x9f4269 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc006540000, 0x4, 0x20000000, 0x20000100, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:248 +0x165 fp=0xc000e93cf8 sp=0xc000e93c70 pc=0x9f2945 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc006540000, 0x4, 0x20000000, 0x20000100, 0x0, 0x0, 0x0, 0x0, 0x14d2aa8, 0xc00860bd40) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc000e93d58 sp=0xc000e93cf8 pc=0x9f2438 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc006540000, 0x2, 0xc006540000) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc000e93e28 sp=0xc000e93d58 pc=0x9f1ddc gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc006540000, 0x1493a80, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc000e93f68 sp=0xc000e93e28 pc=0x9e6b67 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006540000, 0xc8bc) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc000e93fd0 sp=0xc000e93f68 pc=0x9e5aa2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000e93fd8 sp=0xc000e93fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe