panic: runtime error: index out of range [3] with length 0 goroutine 57311 gp=0xc002b2ce00 m=53 mp=0xc003382008 [running]: panic({0x12b9e20?, 0xc002c1e258?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00107a768 sp=0xc00107a6b8 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc00107a7a8 sp=0xc00107a768 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?}, {0x7f2340f7dfc8?, 0xc0022d2608?}, 0xc000766380?, {0xc00288f09c?, 0xc0007663f0?, 0x0?}) pkg/sentry/socket/netstack/netstack.go:2788 +0x265 fp=0xc00107a898 sp=0xc00107a7a8 pc=0xba61c5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc00288e588?, {0x15e04f8?, 0xc0022ce280?}, {0x7f2340f7dfc8?, 0xc0022d2608?}, 0x0?, 0xc00107a988?, {0xc00288f09c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1896 +0x148 fp=0xc00107a8f0 sp=0xc00107a898 pc=0xba33e8 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc0022ce280, 0x559200000003?, 0xc00288f09c?, 0xffffffff?, {0xc00288f09c, 0x0?, 0xc0016d8e40?}) pkg/sentry/socket/netstack/netstack.go:634 +0x225 fp=0xc00107a998 sp=0xc00107a8f0 pc=0xb9d5a5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc00288e588, 0xc00107ab10?, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x246 fp=0xc00107aa78 sp=0xc00107a998 pc=0xc2b8c6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00288e588, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc00107aca8 sp=0xc00107aa78 pc=0xa77877 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00288e588, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc00107ad00 sp=0xc00107aca8 pc=0xa789e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00288e588, 0x36, {{0x3}, {0x107}, {0xc}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc00107ad50 sp=0xc00107ad00 pc=0xa786e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc005c8f110?) pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc00107ae28 sp=0xc00107ad50 pc=0xa78465 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001db0e10?, 0xc00288e588) pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc00107af30 sp=0xc00107ae28 pc=0xa6dc57 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00288e588, 0x2be8) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00107afc0 sp=0xc00107af30 pc=0xa6c6b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc00107afe0 sp=0xc00107afc0 pc=0xa76285 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00107afe8 sp=0xc00107afe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 57370 pkg/sentry/kernel/task_start.go:412 +0xc5