panic: runtime error: index out of range [3] with length 0 goroutine 263571 gp=0xc002608c40 m=18 mp=0xc000182a08 [running]: panic({0x12b9e20?, 0xc0004f4b88?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0002db7a8 sp=0xc0002db6f8 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc0002db7e8 sp=0xc0002db7a8 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?, {0xa56b40?, 0xc002bc9908?}, {0x7f6ea189be90?, 0xc003ede000?}, 0xa55e59?, {0xc002bca41c?, 0xc002d6b8f0?, 0x0?}) pkg/sentry/socket/netstack/netstack.go:2788 +0x265 fp=0xc0002db8d8 sp=0xc0002db7e8 pc=0xba61c5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc0002db988?, {0x15e0360?, 0xc001e89a40?}, {0x7f6ea189be90?, 0xc003ede000?}, 0xa2ff7f?, 0xc08e34?, {0xc002bca41c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1896 +0x148 fp=0xc0002db930 sp=0xc0002db8d8 pc=0xba33e8 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).SetSockOpt(0xc001e89a40?, 0x1396240?, 0xc002bca41c?, 0xffffffff?, {0xc002bca41c?, 0x0?, 0xc001d425a0?}) pkg/sentry/socket/unix/unix.go:366 +0x72 fp=0xc0002db998 sp=0xc0002db930 pc=0xbb7b72 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc002bc9908, 0xc0002dbb10?, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x246 fp=0xc0002dba78 sp=0xc0002db998 pc=0xc2b8c6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002bc9908, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc0002dbca8 sp=0xc0002dba78 pc=0xa77877 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002bc9908, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc0002dbd00 sp=0xc0002dbca8 pc=0xa789e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc002bc9908, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc0002dbd50 sp=0xc0002dbd00 pc=0xa786e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001e82b60?) pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc0002dbe28 sp=0xc0002dbd50 pc=0xa78465 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00498b560?, 0xc002bc9908) pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc0002dbf30 sp=0xc0002dbe28 pc=0xa6dc57 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002bc9908, 0xd166) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc0002dbfc0 sp=0xc0002dbf30 pc=0xa6c6b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc0002dbfe0 sp=0xc0002dbfc0 pc=0xa76285 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0002dbfe8 sp=0xc0002dbfe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 263278 pkg/sentry/kernel/task_start.go:412 +0xc5