panic: runtime error: index out of range [3] with length 0 goroutine 402802 gp=0xc00ade4fc0 m=28 mp=0xc0008d6008 [running]: panic({0x1cc6600?, 0xc001c0e168?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00ac992c0 sp=0xc00ac99210 pc=0x478708 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc00ac99300 sp=0xc00ac992c0 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(0xc00c3b0c88, {0x0?, 0xc00ac99480?}, {0x7f88756ccd40, 0xc0002de400}, 0xa, {0xc00c3b179c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:2754 +0x7e5 fp=0xc00ac99430 sp=0xc00ac99300 pc=0x114c7e5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc00c3b0c88, {0x201c0f8, 0xc000fc2780}, {0x7f88756ccd40, 0xc0002de400}, 0x107, 0xa, {0xc00c3b179c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x2e5 fp=0xc00ac99490 sp=0xc00ac99430 pc=0x1144c45 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc000fc2780, 0xc00c3b0c88, 0x107, 0xa, {0xc00c3b179c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:634 +0x608 fp=0xc00ac995b0 sp=0xc00ac99490 pc=0x113bee8 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc00c3b0c88, 0x0?, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x3b5 fp=0xc00ac996c8 sp=0xc00ac995b0 pc=0x1212755 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00c3b0c88, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc00ac99960 sp=0xc00ac996c8 pc=0xf52b95 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00c3b0c88, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc00ac99a08 sp=0xc00ac99960 pc=0xf549f2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00c3b0c88, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc00ac99a78 sp=0xc00ac99a08 pc=0xf543f4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00c3b0c88) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc00ac99b98 sp=0xc00ac99a78 pc=0xf53f90 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00c3b0c88?, 0xc00c3b0c88) pkg/sentry/kernel/task_run.go:269 +0x1fae fp=0xc00ac99e70 sp=0xc00ac99b98 pc=0xf3fece gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00c3b0c88, 0x6411) pkg/sentry/kernel/task_run.go:97 +0x4fb fp=0xc00ac99fb0 sp=0xc00ac99e70 pc=0xf3d53b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x45 fp=0xc00ac99fe0 sp=0xc00ac99fb0 pc=0xf50965 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00ac99fe8 sp=0xc00ac99fe0 pc=0x481a81 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 402714 pkg/sentry/kernel/task_start.go:412 +0x165