panic: runtime error: index out of range [3] with length 0 goroutine 137 gp=0xc000a04c40 m=61 mp=0xc0004c7108 [running]: panic({0x19bf3c0?, 0xc00073a000?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0xc0008a9250 sp=0xc0008a91a0 pc=0x478024 runtime.goPanicIndex(0x3, 0x0) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc0008a9290 sp=0xc0008a9250 pc=0x438ff4 encoding/binary.littleEndian.Uint32(...) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/encoding/binary/binary.go:87 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0xc000eb7208, {0xffff3cb23fc8?, 0xc0008a9488?}, {0xffff3cb23fc8, 0xc000266000}, 0xc, {0xc000eb7d1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:2788 +0x46c fp=0xc0008a9430 sp=0xc0008a9290 pc=0xfd46ac gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc000eb7208, {0x1cee1f8, 0xc00093c8c0}, {0xffff3cb23fc8, 0xc000266000}, 0x107, 0xc, {0xc000eb7d1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1896 +0x2b0 fp=0xc0008a9490 sp=0xc0008a9430 pc=0xfce630 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc00093c8c0, 0xc000eb7208, 0x107, 0xc, {0xc000eb7d1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:634 +0x4d8 fp=0xc0008a95b0 sp=0xc0008a9490 pc=0xfc5688 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc000eb7208, 0x1?, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x32c fp=0xc0008a96f0 sp=0xc0008a95b0 pc=0x107135c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000eb7208, 0xd0, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/kernel/task_syscall.go:143 +0x884 fp=0xc0008a99a0 sp=0xc0008a96f0 pc=0xe0f804 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000eb7208, 0xd0, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/kernel/task_syscall.go:323 +0x60 fp=0xc0008a9a50 sp=0xc0008a99a0 pc=0xe11230 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000eb7208, 0xd0, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/kernel/task_syscall.go:283 +0xa8 fp=0xc0008a9ac0 sp=0xc0008a9a50 pc=0xe10c88 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000eb7208) pkg/sentry/kernel/task_syscall.go:258 +0x45c fp=0xc0008a9bf0 sp=0xc0008a9ac0 pc=0xe108bc gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000eb7208?, 0xc000eb7208) pkg/sentry/kernel/task_run.go:269 +0x1860 fp=0xc0008a9e60 sp=0xc0008a9bf0 pc=0xdff810 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000eb7208, 0x9) pkg/sentry/kernel/task_run.go:97 +0x2f8 fp=0xc0008a9fa0 sp=0xc0008a9e60 pc=0xdfd6f8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x44 fp=0xc0008a9fd0 sp=0xc0008a9fa0 pc=0xe0d7f4 runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0xc0008a9fd0 sp=0xc0008a9fd0 pc=0x481484 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 306 pkg/sentry/kernel/task_start.go:412 +0x160