panic: runtime error: index out of range [3] with length 0 goroutine 389901 gp=0xc002d49dc0 m=23 mp=0xc000580e08 [running]: panic({0x12b9e20?, 0xc0005103f0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00149d768 sp=0xc00149d6b8 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc00149d7a8 sp=0xc00149d768 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(0x0?, {0xc00149d8e0?, 0x40e7ff?}, {0x7f113f702940?, 0xc000ce6000?}, 0xc0028c1501?, {0xc001c47d1c?, 0xc0028c15e0?, 0x0?}) pkg/sentry/socket/netstack/netstack.go:2788 +0x265 fp=0xc00149d898 sp=0xc00149d7a8 pc=0xba61c5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc001c47208?, {0x15e04f8?, 0xc002c8a8c0?}, {0x7f113f702940?, 0xc000ce6000?}, 0x0?, 0xc00149d988?, {0xc001c47d1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1896 +0x148 fp=0xc00149d8f0 sp=0xc00149d898 pc=0xba33e8 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc002c8a8c0, 0xc001c47208?, 0x107?, 0xc?, {0xc001c47d1c, 0x0?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x225 fp=0xc00149d998 sp=0xc00149d8f0 pc=0xb9d5a5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc001c47208, 0x10?, {{0x6}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x246 fp=0xc00149da78 sp=0xc00149d998 pc=0xc2b8c6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001c47208, 0x36, {{0x6}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc00149dca8 sp=0xc00149da78 pc=0xa77877 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001c47208, 0x36, {{0x6}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc00149dd00 sp=0xc00149dca8 pc=0xa789e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001c47208, 0x36, {{0x6}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc00149dd50 sp=0xc00149dd00 pc=0xa786e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0021b4210?) pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc00149de28 sp=0xc00149dd50 pc=0xa78465 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001780a20?, 0xc001c47208) pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc00149df30 sp=0xc00149de28 pc=0xa6dc57 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001c47208, 0xdbd6) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00149dfc0 sp=0xc00149df30 pc=0xa6c6b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc00149dfe0 sp=0xc00149dfc0 pc=0xa76285 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00149dfe8 sp=0xc00149dfe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 389911 pkg/sentry/kernel/task_start.go:412 +0xc5