panic: runtime error: index out of range [3] with length 0 goroutine 109841 gp=0xc0006cb500 m=32 mp=0xc002a10008 [running]: panic({0x12b9e20?, 0xc00028d6e0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00222d768 sp=0xc00222d6b8 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc00222d7a8 sp=0xc00222d768 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?, {0x0?, 0x2115740?}, {0x7f03d060de18?, 0xc002bdf508?}, 0xc0035f1880?, {0xc00411779c?, 0xc0035f18f0?, 0x0?}) pkg/sentry/socket/netstack/netstack.go:2788 +0x265 fp=0xc00222d898 sp=0xc00222d7a8 pc=0xba61c5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc004116c88?, {0x15e04f8?, 0xc002894280?}, {0x7f03d060de18?, 0xc002bdf508?}, 0xc00222d990?, 0xc00222d988?, {0xc00411779c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1896 +0x148 fp=0xc00222d8f0 sp=0xc00222d898 pc=0xba33e8 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc002894280, 0x55f100000004?, 0xc00411779c?, 0xffffffff?, {0xc00411779c, 0x0?, 0xc002e32fc0?}) pkg/sentry/socket/netstack/netstack.go:634 +0x225 fp=0xc00222d998 sp=0xc00222d8f0 pc=0xb9d5a5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc004116c88, 0x10?, {{0x4}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x246 fp=0xc00222da78 sp=0xc00222d998 pc=0xc2b8c6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc004116c88, 0x36, {{0x4}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc00222dca8 sp=0xc00222da78 pc=0xa77877 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc004116c88, 0x36, {{0x4}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc00222dd00 sp=0xc00222dca8 pc=0xa789e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc004116c88, 0x36, {{0x4}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc00222dd50 sp=0xc00222dd00 pc=0xa786e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000f9b810?) pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc00222de28 sp=0xc00222dd50 pc=0xa78465 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0032fc870?, 0xc004116c88) pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc00222df30 sp=0xc00222de28 pc=0xa6dc57 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004116c88, 0x773a) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00222dfc0 sp=0xc00222df30 pc=0xa6c6b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc00222dfe0 sp=0xc00222dfc0 pc=0xa76285 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00222dfe8 sp=0xc00222dfe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 109646 pkg/sentry/kernel/task_start.go:412 +0xc5