panic: runtime error: index out of range [3] with length 0 goroutine 47158 gp=0xc0025156c0 m=43 mp=0xc003102008 [running]: panic({0x12b8e20?, 0xc0005a07c8?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000ab77b8 sp=0xc000ab7708 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc000ab77f8 sp=0xc000ab77b8 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?, {0xa56ac0?, 0xc0003a6588?}, {0x7f6d3b861120?, 0xc0002bb760?}, 0xa55dd9?, {0xc0003a709c?, 0xc001a4c4d0?, 0x0?}) pkg/sentry/socket/netstack/netstack.go:2754 +0x1e5 fp=0xc000ab78d8 sp=0xc000ab77f8 pc=0xba51c5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc000ab7988?, {0x15def40?, 0xc002fdc540?}, {0x7f6d3b861120?, 0xc0002bb760?}, 0xa2feff?, 0xc07ab4?, {0xc0003a709c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x148 fp=0xc000ab7930 sp=0xc000ab78d8 pc=0xba2468 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).SetSockOpt(0xc002fdc540?, 0x1395220?, 0xc0003a709c?, 0xffffffff?, {0xc0003a709c?, 0x0?, 0xc002bbc420?}) pkg/sentry/socket/unix/unix.go:366 +0x72 fp=0xc000ab7998 sp=0xc000ab7930 pc=0xbb6b92 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc0003a6588, 0xc000ab7b10?, {{0x4}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x246 fp=0xc000ab7a78 sp=0xc000ab7998 pc=0xc2a546 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0003a6588, 0x36, {{0x4}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc000ab7ca8 sp=0xc000ab7a78 pc=0xa777f7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0003a6588, 0x36, {{0x4}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc000ab7d00 sp=0xc000ab7ca8 pc=0xa78965 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0003a6588, 0x36, {{0x4}, {0x107}, {0xa}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc000ab7d50 sp=0xc000ab7d00 pc=0xa78665 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0025dc5b0?) pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc000ab7e28 sp=0xc000ab7d50 pc=0xa783e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0006937a0?, 0xc0003a6588) pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc000ab7f30 sp=0xc000ab7e28 pc=0xa6dbd7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0003a6588, 0x2a69) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc000ab7fc0 sp=0xc000ab7f30 pc=0xa6c634 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc000ab7fe0 sp=0xc000ab7fc0 pc=0xa76205 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000ab7fe8 sp=0xc000ab7fe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 47526 pkg/sentry/kernel/task_start.go:412 +0xc5