panic: Unknown syscall 1 error: strconv.ParseInt: parsing "./file1": invalid syntax goroutine 49 [running]: panic({0x2a9040, 0xc0006ca030}) GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc00068f8c8 sp=0xc00068f808 pc=0x11de4db gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno({0x7a0700?, 0xc00069c3c0?}, 0x83?) pkg/sentry/kernel/task_syscall.go:485 +0x35f fp=0xc00068f960 sp=0xc00068f8c8 pc=0x1a7305f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0004e9500, 0x0?, {{0x4}, {0x20000080}, {0x83}, {0x0}, {0x7f7536151e78}, {0x7f7536151e78}}) pkg/sentry/kernel/task_syscall.go:332 +0xe5 fp=0xc00068f9f8 sp=0xc00068f960 pc=0x1a71065 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00040e270?, 0xc0001b0690?, {{0x4}, {0x20000080}, {0x83}, {0x0}, {0x7f7536151e78}, {0x7f7536151e78}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f fp=0xc00068fa70 sp=0xc00068f9f8 pc=0x1a709af gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0004e9500) pkg/sentry/kernel/task_syscall.go:257 +0x4c5 fp=0xc00068fb98 sp=0xc00068fa70 pc=0x1a70545 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0004e9500?, 0xc0004e9500) pkg/sentry/kernel/task_run.go:269 +0x1d4b fp=0xc00068fe70 sp=0xc00068fb98 pc=0x1a5ab4b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0004e9500, 0x7) pkg/sentry/kernel/task_run.go:98 +0x41b fp=0xc00068ffb0 sp=0xc00068fe70 pc=0x1a583db gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:390 +0x48 fp=0xc00068ffe0 sp=0xc00068ffb0 pc=0x1a6cd08 runtime.goexit() src/runtime/asm_amd64.s:1598 +0x1 fp=0xc00068ffe8 sp=0xc00068ffe0 pc=0x12173c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:390 +0x1ad