panic: runtime error: index out of range [3] with length 0 goroutine 179 gp=0xc00035efc0 m=7 mp=0xc000588008 [running]: panic({0x13dc560?, 0xc0002c6228?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000a65770 sp=0xc000a656c0 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc000a657b0 sp=0xc000a65770 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(0x7f361502ffc8?, {0xc000a658d8?, 0x40e7ff?}, {0x7f361502ffc8?, 0xc00023c200?}, 0x1?, {0xc000b5979c?, 0xc000c24000?, 0xc000a263f0?}) pkg/sentry/socket/netstack/netstack.go:2754 +0x245 fp=0xc000a65890 sp=0xc000a657b0 pc=0xc759a5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1000300000090?, {0x172f538?, 0xc000c24000?}, {0x7f361502ffc8?, 0xc00023c200?}, 0xc00092ad90?, 0xc000b36210?, {0xc000b5979c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x1b1 fp=0xc000a658e8 sp=0xc000a65890 pc=0xc71a91 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc000c24000, 0xc000b58c88?, 0x107?, 0xa?, {0xc000b5979c, 0x0?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x265 fp=0xc000a65998 sp=0xc000a658e8 pc=0xc6aa85 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc000b58c88, 0x95b307?, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f73dd543e58}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x2f5 fp=0xc000a65a78 sp=0xc000a65998 pc=0xcfe495 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000b58c88, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f73dd543e58}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc000a65ca8 sp=0xc000a65a78 pc=0xb1ebcb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000b58c88, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f73dd543e58}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc000a65d00 sp=0xc000a65ca8 pc=0xb2016e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000b58c88, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f73dd543e58}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc000a65d50 sp=0xc000a65d00 pc=0xb1fd1d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000b82000?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc000a65e28 sp=0xc000a65d50 pc=0xb1fa09 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000a26090?, 0xc000b58c88) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc000a65f38 sp=0xc000a65e28 pc=0xb13105 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000b58c88, 0xb) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc000a65fc0 sp=0xc000a65f38 pc=0xb1171d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc000a65fe0 sp=0xc000a65fc0 pc=0xb1d145 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000a65fe8 sp=0xc000a65fe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 95 pkg/sentry/kernel/task_start.go:412 +0xd9