panic: runtime error: index out of range [3] with length 0 goroutine 307 gp=0xc000ba01c0 m=16 mp=0xc000725c08 [running]: panic({0x1da8080?, 0xc0006b8060?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00075d2c8 sp=0xc00075d218 pc=0x478708 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc00075d308 sp=0xc00075d2c8 pc=0x43a814 encoding/binary.littleEndian.Uint32(...) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/encoding/binary/binary.go:87 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0xc000c40008, {0x7f5e9835e078?, 0xc00075d480?}, {0x7f5e9835e078, 0xc000ca4000}, 0xa, {0xc000c40b1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:2754 +0x6b9 fp=0xc00075d430 sp=0xc00075d308 pc=0x120de19 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc000c40008, {0x20d8038, 0xc000d7a000}, {0x7f5e9835e078, 0xc000ca4000}, 0x107, 0xa, {0xc000c40b1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x366 fp=0xc00075d490 sp=0xc00075d430 pc=0x1206b26 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc000d7a000, 0xc000c40008, 0x107, 0xa, {0xc000c40b1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:634 +0x6aa fp=0xc00075d5b0 sp=0xc00075d490 pc=0x11fc08a gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc000c40008, 0x0?, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x6}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x46c fp=0xc00075d6e8 sp=0xc00075d5b0 pc=0x12cb74c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000c40008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x6}}) pkg/sentry/kernel/task_syscall.go:143 +0xb9f fp=0xc00075d998 sp=0xc00075d6e8 pc=0xff6c3f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000c40008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x6}}) pkg/sentry/kernel/task_syscall.go:323 +0x85 fp=0xc00075da40 sp=0xc00075d998 pc=0xff8d65 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000c40008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x6}}) pkg/sentry/kernel/task_syscall.go:283 +0xc7 fp=0xc00075dab0 sp=0xc00075da40 pc=0xff8687 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000c40008) pkg/sentry/kernel/task_syscall.go:258 +0x54a fp=0xc00075dbd0 sp=0xc00075dab0 pc=0xff81ea gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000c40008?, 0xc000c40008) pkg/sentry/kernel/task_run.go:269 +0x2295 fp=0xc00075de78 sp=0xc00075dbd0 pc=0xfe2a55 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000c40008, 0xb) pkg/sentry/kernel/task_run.go:97 +0x41b fp=0xc00075dfb0 sp=0xc00075de78 pc=0xfdfd7b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x45 fp=0xc00075dfe0 sp=0xc00075dfb0 pc=0xff4545 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00075dfe8 sp=0xc00075dfe0 pc=0x481a81 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 248 pkg/sentry/kernel/task_start.go:412 +0x185