panic: runtime error: index out of range [3] with length 0 goroutine 23887 gp=0xc0007bd880 m=34 mp=0xc0023e0708 [running]: panic({0x12b8e20?, 0xc000536cf0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00164b7b8 sp=0xc00164b708 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc00164b7f8 sp=0xc00164b7b8 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?, {0xc00164b920?, 0x40e7ff?}, {0x7fabfd975188?, 0xc0007d8dc0?}, 0xa55d01?, {0xc000fedd1c?, 0xc002476b60?, 0x0?}) pkg/sentry/socket/netstack/netstack.go:2754 +0x1e5 fp=0xc00164b8d8 sp=0xc00164b7f8 pc=0xba51c5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc00164b988?, {0x15def40?, 0xc00113a3c0?}, {0x7fabfd975188?, 0xc0007d8dc0?}, 0xa2feff?, 0xc07ab4?, {0xc000fedd1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x148 fp=0xc00164b930 sp=0xc00164b8d8 pc=0xba2468 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).SetSockOpt(0xc00113a3c0?, 0xc000fed208?, 0x107?, 0xa?, {0xc000fedd1c?, 0x0?, 0x90?}) pkg/sentry/socket/unix/unix.go:366 +0x72 fp=0xc00164b998 sp=0xc00164b930 pc=0xbb6b92 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc000fed208, 0xc00164bb10?, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x246 fp=0xc00164ba78 sp=0xc00164b998 pc=0xc2a546 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000fed208, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc00164bca8 sp=0xc00164ba78 pc=0xa777f7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000fed208, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc00164bd00 sp=0xc00164bca8 pc=0xa78965 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000fed208, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc00164bd50 sp=0xc00164bd00 pc=0xa78665 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00147f450?) pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc00164be28 sp=0xc00164bd50 pc=0xa783e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000401b00?, 0xc000fed208) pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc00164bf30 sp=0xc00164be28 pc=0xa6dbd7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000fed208, 0x17df) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00164bfc0 sp=0xc00164bf30 pc=0xa6c634 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc00164bfe0 sp=0xc00164bfc0 pc=0xa76205 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00164bfe8 sp=0xc00164bfe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 23993 pkg/sentry/kernel/task_start.go:412 +0xc5