panic: runtime error: index out of range [3] with length 0 goroutine 225505 gp=0x4000f9c700 m=6 mp=0x4000456008 [running]: panic({0xdface0?, 0x4001f24468?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x4000bad6c0 sp=0x4000bad610 pc=0x84314 runtime.goPanicIndex(0x3, 0x0) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0x4000bad700 sp=0x4000bad6c0 pc=0x47664 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(0x0?, {0x0?, 0x1c1d460?}, {0xfffedde2d008?, 0x4000c7e000?}, 0x40038d3650?, {0x4001192b1c?, 0x649e4c?, 0x0?}) pkg/sentry/socket/netstack/netstack.go:2788 +0x23c fp=0x4000bad840 sp=0x4000bad700 pc=0x765edc gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x4000bad928?, {0x111f2d8?, 0x400226a640?}, {0xfffedde2d008?, 0x4000c7e000?}, 0x0?, 0x0?, {0x4001192b1c?, 0x4000bad928?, 0x7bc264?}) pkg/sentry/socket/netstack/netstack.go:1896 +0x144 fp=0x4000bad8a0 sp=0x4000bad840 pc=0x763054 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0x400226a640, 0x4?, 0x4001192b1c?, 0x0?, {0x4001192b1c, 0x0?, 0x4001daac60?}) pkg/sentry/socket/netstack/netstack.go:634 +0x274 fp=0x4000bad950 sp=0x4000bad8a0 pc=0x75d7c4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0x4001192008, 0x40023cfca0?, {{0x4}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x1b0 fp=0x4000bada30 sp=0x4000bad950 pc=0x7da8a0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4001192008, 0xd0, {{0x4}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x4e8 fp=0x4000badc60 sp=0x4000bada30 pc=0x647da8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4001192008, 0xd0, {{0x4}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x3c fp=0x4000badcc0 sp=0x4000badc60 pc=0x648cdc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4001192008, 0xd0, {{0x4}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x58 fp=0x4000badd10 sp=0x4000badcc0 pc=0x648958 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x40011de790?) pkg/sentry/kernel/task_syscall.go:258 +0x23c fp=0x4000baddf0 sp=0x4000badd10 pc=0x64870c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4002e821b0?, 0x4001192008) pkg/sentry/kernel/task_run.go:269 +0xce4 fp=0x4000badf10 sp=0x4000baddf0 pc=0x63e5c4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4001192008, 0xae) pkg/sentry/kernel/task_run.go:97 +0x1d4 fp=0x4000badfb0 sp=0x4000badf10 pc=0x63d254 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x2c fp=0x4000badfd0 sp=0x4000badfb0 pc=0x64693c runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0x4000badfd0 sp=0x4000badfd0 pc=0x8d564 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 225443 pkg/sentry/kernel/task_start.go:412 +0xc4