panic: runtime error: index out of range [3] with length 0 goroutine 276 gp=0xc000c108c0 m=20 mp=0xc000606308 [running]: panic({0x13dc560?, 0xc00076a060?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000a7b770 sp=0xc000a7b6c0 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc000a7b7b0 sp=0xc000a7b770 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(0x7fd8e8fe6068?, {0xc000a7b8d8?, 0x40e7ff?}, {0x7fd8e8fe6068?, 0xc00003e800?}, 0x1?, {0xc0005bc41c?, 0xc000224f00?, 0xc00063c240?}) pkg/sentry/socket/netstack/netstack.go:2754 +0x245 fp=0xc000a7b890 sp=0xc000a7b7b0 pc=0xc759a5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1000300000090?, {0x172f538?, 0xc000224f00?}, {0x7fd8e8fe6068?, 0xc00003e800?}, 0xc00065a230?, 0xc00089c4d0?, {0xc0005bc41c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x1b1 fp=0xc000a7b8e8 sp=0xc000a7b890 pc=0xc71a91 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc000224f00, 0xc0005bb908?, 0x107?, 0xa?, {0xc0005bc41c, 0x0?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x265 fp=0xc000a7b998 sp=0xc000a7b8e8 pc=0xc6aa85 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc0005bb908, 0xc000a7bad0?, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f6444954e58}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x2f5 fp=0xc000a7ba78 sp=0xc000a7b998 pc=0xcfe495 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0005bb908, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f6444954e58}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc000a7bca8 sp=0xc000a7ba78 pc=0xb1ebcb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0005bb908, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f6444954e58}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc000a7bd00 sp=0xc000a7bca8 pc=0xb2016e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0005bb908, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f6444954e58}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc000a7bd50 sp=0xc000a7bd00 pc=0xb1fd1d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000a9e000?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc000a7be28 sp=0xc000a7bd50 pc=0xb1fa09 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000944000?, 0xc0005bb908) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc000a7bf38 sp=0xc000a7be28 pc=0xb13105 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0005bb908, 0xd) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc000a7bfc0 sp=0xc000a7bf38 pc=0xb1171d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc000a7bfe0 sp=0xc000a7bfc0 pc=0xb1d145 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000a7bfe8 sp=0xc000a7bfe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 306 pkg/sentry/kernel/task_start.go:412 +0xd9