panic: runtime error: index out of range [3] with length 0 goroutine 250 gp=0xc000955180 m=9 mp=0xc000906708 [running]: panic({0x13dd560?, 0xc000756090?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000c0b760 sp=0xc000c0b6b0 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc000c0b7a0 sp=0xc000c0b760 pc=0x438b74 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(0x7fc8e5210488?, {0xc000c0b8d8?, 0x40e7ff?}, {0x7fc8e5210488?, 0xc000702000?}, 0x1?, {0xc00094f09c?, 0xc000a16140?, 0xc0007bc5a0?}) pkg/sentry/socket/netstack/netstack.go:2788 +0x2d7 fp=0xc000c0b890 sp=0xc000c0b7a0 pc=0xc76a57 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1000300000090?, {0x1730858?, 0xc000a16140?}, {0x7fc8e5210488?, 0xc000702000?}, 0xc0007c3f30?, 0xc00097e090?, {0xc00094f09c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1896 +0x1b1 fp=0xc000c0b8e8 sp=0xc000c0b890 pc=0xc72ab1 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc000a16140, 0xc00094e588?, 0x107?, 0xc?, {0xc00094f09c, 0x0?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x265 fp=0xc000c0b998 sp=0xc000c0b8e8 pc=0xc6b7a5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc00094e588, 0x0?, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7ee6e5188e58}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x2f5 fp=0xc000c0ba78 sp=0xc000c0b998 pc=0xcff8f5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00094e588, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7ee6e5188e58}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc000c0bca8 sp=0xc000c0ba78 pc=0xb1ec4b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00094e588, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7ee6e5188e58}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc000c0bd00 sp=0xc000c0bca8 pc=0xb201ee gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00094e588, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7ee6e5188e58}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc000c0bd50 sp=0xc000c0bd00 pc=0xb1fd9d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0009522c0?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc000c0be28 sp=0xc000c0bd50 pc=0xb1fa89 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000338510?, 0xc00094e588) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc000c0bf38 sp=0xc000c0be28 pc=0xb13185 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00094e588, 0xe) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc000c0bfc0 sp=0xc000c0bf38 pc=0xb1179d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc000c0bfe0 sp=0xc000c0bfc0 pc=0xb1d1c5 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000c0bfe8 sp=0xc000c0bfe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 55 pkg/sentry/kernel/task_start.go:412 +0xd9