panic: runtime error: index out of range [3] with length 0 goroutine 278 gp=0xc000716fc0 m=20 mp=0xc000712e08 [running]: panic({0x12b9e20?, 0xc0007340d8?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000317768 sp=0xc0003176b8 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc0003177a8 sp=0xc000317768 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(0x7fd65c338f18?, {0xc0003178e0?, 0x40e7ff?}, {0x7fd65c338f18?, 0xc00086a000?}, 0x1?, {0xc0007ac41c?, 0xc00086c000?, 0x0?}) pkg/sentry/socket/netstack/netstack.go:2788 +0x265 fp=0xc000317898 sp=0xc0003177a8 pc=0xba61c5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x46e47a?, {0x15e04f8?, 0xc00086c000?}, {0x7fd65c338f18?, 0xc00086a000?}, 0xa3ea48?, 0xc000317988?, {0xc0007ac41c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1896 +0x148 fp=0xc0003178f0 sp=0xc000317898 pc=0xba33e8 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc00086c000, 0xc0007ab908?, 0x107?, 0xc?, {0xc0007ac41c, 0x0?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x225 fp=0xc000317998 sp=0xc0003178f0 pc=0xb9d5a5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc0007ab908, 0xc000317b10?, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f9b7448ce58}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x246 fp=0xc000317a78 sp=0xc000317998 pc=0xc2b8c6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0007ab908, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f9b7448ce58}}) pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc000317ca8 sp=0xc000317a78 pc=0xa77877 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0007ab908, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f9b7448ce58}}) pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc000317d00 sp=0xc000317ca8 pc=0xa789e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0007ab908, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f9b7448ce58}}) pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc000317d50 sp=0xc000317d00 pc=0xa786e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000671790?) pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc000317e28 sp=0xc000317d50 pc=0xa78465 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00023a1b0?, 0xc0007ab908) pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc000317f30 sp=0xc000317e28 pc=0xa6dc57 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0007ab908, 0xa) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc000317fc0 sp=0xc000317f30 pc=0xa6c6b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc000317fe0 sp=0xc000317fc0 pc=0xa76285 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000317fe8 sp=0xc000317fe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 306 pkg/sentry/kernel/task_start.go:412 +0xc5