panic: runtime error: index out of range [3] with length 0 goroutine 69553 gp=0xc001360e00 m=44 mp=0xc008680008 [running]: panic({0x1cc6600?, 0xc0005935c0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00434d370 sp=0xc00434d2c0 pc=0x478708 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc00434d3b0 sp=0xc00434d370 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(0xc00535a008, {0x0?, 0xc00434d530?}, {0x7fb8a30c6e88, 0xc0052a2420}, 0xa, {0xc00535ab1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:2754 +0x7e5 fp=0xc00434d4e0 sp=0xc00434d3b0 pc=0x114c7e5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc00535a008, {0x201bf60, 0xc0087ae9c0}, {0x7fb8a30c6e88, 0xc0052a2420}, 0x107, 0xa, {0xc00535ab1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x2e5 fp=0xc00434d540 sp=0xc00434d4e0 pc=0x1144c45 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).SetSockOpt(0xc0087ae9c0, 0xc00535a008, 0x107, 0xa, {0xc00535ab1c, 0x0, 0x90}) pkg/sentry/socket/unix/unix.go:366 +0xda fp=0xc00434d5b0 sp=0xc00434d540 pc=0x1167bba gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc00535a008, 0x0?, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x3b5 fp=0xc00434d6c8 sp=0xc00434d5b0 pc=0x1212755 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00535a008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc00434d960 sp=0xc00434d6c8 pc=0xf52b95 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00535a008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc00434da08 sp=0xc00434d960 pc=0xf549f2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00535a008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc00434da78 sp=0xc00434da08 pc=0xf543f4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00535a008) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc00434db98 sp=0xc00434da78 pc=0xf53f90 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00535a008?, 0xc00535a008) pkg/sentry/kernel/task_run.go:269 +0x1fae fp=0xc00434de70 sp=0xc00434db98 pc=0xf3fece gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00535a008, 0x3c1a) pkg/sentry/kernel/task_run.go:97 +0x4fb fp=0xc00434dfb0 sp=0xc00434de70 pc=0xf3d53b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x45 fp=0xc00434dfe0 sp=0xc00434dfb0 pc=0xf50965 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00434dfe8 sp=0xc00434dfe0 pc=0x481a81 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 69667 pkg/sentry/kernel/task_start.go:412 +0x165