panic: runtime error: index out of range [3] with length 0 goroutine 252 gp=0xc000d9a380 m=18 mp=0xc000688708 [running]: panic({0x1daa000?, 0xc0006aa120?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000e27258 sp=0xc000e271a8 pc=0x478708 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc000e27298 sp=0xc000e27258 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(0xc000966c88, {0x7f88f0591628?, 0xc000e27480?}, {0x7f88f0591628, 0xc0005ba000}, 0xc, {0xc00096779c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:2788 +0x570 fp=0xc000e27430 sp=0xc000e27298 pc=0x120f3f0 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc000966c88, {0x20da3f8, 0xc0009c6a00}, {0x7f88f0591628, 0xc0005ba000}, 0x107, 0xc, {0xc00096779c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1896 +0x366 fp=0xc000e27490 sp=0xc000e27430 pc=0x1208246 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc0009c6a00, 0xc000966c88, 0x107, 0xc, {0xc00096779c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:634 +0x6aa fp=0xc000e275b0 sp=0xc000e27490 pc=0x11fd2ea gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc000966c88, 0x0?, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x6}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x46c fp=0xc000e276e8 sp=0xc000e275b0 pc=0x12cd6cc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000966c88, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x6}}) pkg/sentry/kernel/task_syscall.go:143 +0xb9f fp=0xc000e27998 sp=0xc000e276e8 pc=0xff6d3f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000966c88, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x6}}) pkg/sentry/kernel/task_syscall.go:323 +0x85 fp=0xc000e27a40 sp=0xc000e27998 pc=0xff8e65 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000966c88, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x6}}) pkg/sentry/kernel/task_syscall.go:283 +0xc7 fp=0xc000e27ab0 sp=0xc000e27a40 pc=0xff8787 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000966c88) pkg/sentry/kernel/task_syscall.go:258 +0x54a fp=0xc000e27bd0 sp=0xc000e27ab0 pc=0xff82ea gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000966c88?, 0xc000966c88) pkg/sentry/kernel/task_run.go:269 +0x2295 fp=0xc000e27e78 sp=0xc000e27bd0 pc=0xfe2b55 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000966c88, 0xc) pkg/sentry/kernel/task_run.go:97 +0x41b fp=0xc000e27fb0 sp=0xc000e27e78 pc=0xfdfe7b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x45 fp=0xc000e27fe0 sp=0xc000e27fb0 pc=0xff4645 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000e27fe8 sp=0xc000e27fe0 pc=0x481a81 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 125 pkg/sentry/kernel/task_start.go:412 +0x185