panic: runtime error: index out of range [3] with length 0 goroutine 30938 gp=0xc0020256c0 m=49 mp=0xc003300008 [running]: panic({0x1cc6600?, 0xc004ec2150?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc004bb7370 sp=0xc004bb72c0 pc=0x478708 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc004bb73b0 sp=0xc004bb7370 pc=0x43a814 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(0xc00370f208, {0x0?, 0x48342c?}, {0x7fb61a248238, 0xc001a24000}, 0xa, {0xc00370fd1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:2754 +0x7e5 fp=0xc004bb74e0 sp=0xc004bb73b0 pc=0x114c7e5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc00370f208, {0x201bf60, 0xc001e300c0}, {0x7fb61a248238, 0xc001a24000}, 0x107, 0xa, {0xc00370fd1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x2e5 fp=0xc004bb7540 sp=0xc004bb74e0 pc=0x1144c45 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).SetSockOpt(0xc001e300c0, 0xc00370f208, 0x107, 0xa, {0xc00370fd1c, 0x0, 0x90}) pkg/sentry/socket/unix/unix.go:366 +0xda fp=0xc004bb75b0 sp=0xc004bb7540 pc=0x1167bba gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc00370f208, 0x0?, {{0x5}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x3b5 fp=0xc004bb76c8 sp=0xc004bb75b0 pc=0x1212755 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00370f208, 0x36, {{0x5}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc004bb7960 sp=0xc004bb76c8 pc=0xf52b95 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00370f208, 0x36, {{0x5}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc004bb7a08 sp=0xc004bb7960 pc=0xf549f2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00370f208, 0x36, {{0x5}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc004bb7a78 sp=0xc004bb7a08 pc=0xf543f4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00370f208) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc004bb7b98 sp=0xc004bb7a78 pc=0xf53f90 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00370f208?, 0xc00370f208) pkg/sentry/kernel/task_run.go:269 +0x1fae fp=0xc004bb7e70 sp=0xc004bb7b98 pc=0xf3fece gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00370f208, 0x1c7e) pkg/sentry/kernel/task_run.go:97 +0x4fb fp=0xc004bb7fb0 sp=0xc004bb7e70 pc=0xf3d53b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x45 fp=0xc004bb7fe0 sp=0xc004bb7fb0 pc=0xf50965 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc004bb7fe8 sp=0xc004bb7fe0 pc=0x481a81 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 30962 pkg/sentry/kernel/task_start.go:412 +0x165