panic: Unknown syscall 4 error: payload too small. Minimum data lenth required: 104, but got data length 0 goroutine 178184 [running]: panic(0x1102aa0, 0xc092eb2330) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc08de5bc08 sp=0xc08de5bb40 pc=0x437c65 gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno(0x1491820, 0xc092eb2320, 0x4, 0x20004dc0) pkg/sentry/kernel/task_syscall.go:401 +0x329 fp=0xc08de5bc70 sp=0xc08de5bc08 pc=0x9f45a9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc092f1d500, 0x4, 0x20004d80, 0x20004dc0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:248 +0x165 fp=0xc08de5bcf8 sp=0xc08de5bc70 pc=0x9f2c85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc092f1d500, 0x4, 0x20004d80, 0x20004dc0, 0x0, 0x0, 0x0, 0x0, 0x14d19e8, 0xc091cb1680) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc08de5bd58 sp=0xc08de5bcf8 pc=0x9f2778 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc092f1d500, 0x2, 0xc092f1d500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc08de5be28 sp=0xc08de5bd58 pc=0x9f211c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc092f1d500, 0x14929c0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc08de5bf68 sp=0xc08de5be28 pc=0x9e6ea7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc092f1d500, 0x11b6) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc08de5bfd0 sp=0xc08de5bf68 pc=0x9e5de2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc08de5bfd8 sp=0xc08de5bfd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe