panic: runtime error: index out of range [3] with length 0 goroutine 181 gp=0xc0009361c0 m=13 mp=0xc000100e08 [running]: panic({0x13dc560?, 0xc0001ba390?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0005a9770 sp=0xc0005a96c0 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc0005a97b0 sp=0xc0005a9770 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(0x7fab7b4d3da8?, {0xc0005a98d8?, 0x40e7ff?}, {0x7fab7b4d3da8?, 0xc0008be000?}, 0x1?, {0xc000970b1c?, 0xc0008c0000?, 0xc00088a5a0?}) pkg/sentry/socket/netstack/netstack.go:2754 +0x245 fp=0xc0005a9890 sp=0xc0005a97b0 pc=0xc759a5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1000300000090?, {0x172f538?, 0xc0008c0000?}, {0x7fab7b4d3da8?, 0xc0008be000?}, 0xc0009432c8?, 0xc000922510?, {0xc000970b1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x1b1 fp=0xc0005a98e8 sp=0xc0005a9890 pc=0xc71a91 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc0008c0000, 0xc000970008?, 0x107?, 0xa?, {0xc000970b1c, 0x0?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x265 fp=0xc0005a9998 sp=0xc0005a98e8 pc=0xc6aa85 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc000970008, 0x95b307?, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f435beb7e58}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x2f5 fp=0xc0005a9a78 sp=0xc0005a9998 pc=0xcfe495 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000970008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f435beb7e58}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc0005a9ca8 sp=0xc0005a9a78 pc=0xb1ebcb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000970008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f435beb7e58}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc0005a9d00 sp=0xc0005a9ca8 pc=0xb2016e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000970008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f435beb7e58}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc0005a9d50 sp=0xc0005a9d00 pc=0xb1fd1d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00092c0b0?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc0005a9e28 sp=0xc0005a9d50 pc=0xb1fa09 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00088a240?, 0xc000970008) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc0005a9f38 sp=0xc0005a9e28 pc=0xb13105 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000970008, 0xd) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc0005a9fc0 sp=0xc0005a9f38 pc=0xb1171d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc0005a9fe0 sp=0xc0005a9fc0 pc=0xb1d145 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0005a9fe8 sp=0xc0005a9fe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 58 pkg/sentry/kernel/task_start.go:412 +0xd9