panic: runtime error: index out of range [3] with length 0 goroutine 142 gp=0xc0008c2a80 m=19 mp=0xc00090e008 [running]: panic({0x13dd560?, 0xc0003240a8?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000b1b760 sp=0xc000b1b6b0 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc000b1b7a0 sp=0xc000b1b760 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(0x7fe46da15e98?, {0xc000b1b8d8?, 0x40e7ff?}, {0x7fe46da15e98?, 0xc000768000?}, 0x1?, {0xc000a1579c?, 0xc00076a000?, 0xc000740360?}) pkg/sentry/socket/netstack/netstack.go:2788 +0x2d7 fp=0xc000b1b890 sp=0xc000b1b7a0 pc=0xc76a57 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1000300000090?, {0x1730858?, 0xc00076a000?}, {0x7fe46da15e98?, 0xc000768000?}, 0xc0006ef030?, 0xc0001c8790?, {0xc000a1579c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1896 +0x1b1 fp=0xc000b1b8e8 sp=0xc000b1b890 pc=0xc72ab1 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc00076a000, 0xc000a14c88?, 0x107?, 0xc?, {0xc000a1579c, 0x0?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x265 fp=0xc000b1b998 sp=0xc000b1b8e8 pc=0xc6b7a5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc000a14c88, 0xc000b1bad0?, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f069206be58}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x2f5 fp=0xc000b1ba78 sp=0xc000b1b998 pc=0xcff8f5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000a14c88, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f069206be58}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc000b1bca8 sp=0xc000b1ba78 pc=0xb1ec4b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000a14c88, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f069206be58}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc000b1bd00 sp=0xc000b1bca8 pc=0xb201ee gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000a14c88, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f069206be58}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc000b1bd50 sp=0xc000b1bd00 pc=0xb1fd9d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000176c30?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc000b1be28 sp=0xc000b1bd50 pc=0xb1fa89 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000740000?, 0xc000a14c88) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc000b1bf38 sp=0xc000b1be28 pc=0xb13185 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000a14c88, 0xc) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc000b1bfc0 sp=0xc000b1bf38 pc=0xb1179d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc000b1bfe0 sp=0xc000b1bfc0 pc=0xb1d1c5 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000b1bfe8 sp=0xc000b1bfe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 321 pkg/sentry/kernel/task_start.go:412 +0xd9