panic: runtime error: index out of range [3] with length 0 goroutine 306 gp=0xc000604a80 m=3 mp=0xc0000cce08 [running]: panic({0x19bdbc0?, 0xc00139e000?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0xc000fb7280 sp=0xc000fb71d0 pc=0x478024 runtime.goPanicIndex(0x3, 0x0) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc000fb72c0 sp=0xc000fb7280 pc=0x438ff4 encoding/binary.littleEndian.Uint32(...) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/encoding/binary/binary.go:87 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0xc000a4b908, {0xfffec43a5978?, 0xc000fb7488?}, {0xfffec43a5978, 0xc0002e2200}, 0xa, {0xc000a4c41c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:2754 +0x56c fp=0xc000fb7430 sp=0xc000fb72c0 pc=0xfd34cc gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc000a4b908, {0x1cec5d8, 0xc001484000}, {0xfffec43a5978, 0xc0002e2200}, 0x107, 0xa, {0xc000a4c41c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x2b0 fp=0xc000fb7490 sp=0xc000fb7430 pc=0xfcd350 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc001484000, 0xc000a4b908, 0x107, 0xa, {0xc000a4c41c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:634 +0x4d8 fp=0xc000fb75b0 sp=0xc000fb7490 pc=0xfc47d8 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc000a4b908, 0x1?, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x32c fp=0xc000fb76f0 sp=0xc000fb75b0 pc=0x106f96c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000a4b908, 0xd0, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/kernel/task_syscall.go:143 +0x884 fp=0xc000fb79a0 sp=0xc000fb76f0 pc=0xe0f714 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000a4b908, 0xd0, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/kernel/task_syscall.go:323 +0x60 fp=0xc000fb7a50 sp=0xc000fb79a0 pc=0xe11140 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000a4b908, 0xd0, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/kernel/task_syscall.go:283 +0xa8 fp=0xc000fb7ac0 sp=0xc000fb7a50 pc=0xe10b98 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000a4b908) pkg/sentry/kernel/task_syscall.go:258 +0x45c fp=0xc000fb7bf0 sp=0xc000fb7ac0 pc=0xe107cc gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000a4b908?, 0xc000a4b908) pkg/sentry/kernel/task_run.go:269 +0x1860 fp=0xc000fb7e60 sp=0xc000fb7bf0 pc=0xdff720 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000a4b908, 0x8) pkg/sentry/kernel/task_run.go:97 +0x2f8 fp=0xc000fb7fa0 sp=0xc000fb7e60 pc=0xdfd608 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x44 fp=0xc000fb7fd0 sp=0xc000fb7fa0 pc=0xe0d704 runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0xc000fb7fd0 sp=0xc000fb7fd0 pc=0x481484 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 81 pkg/sentry/kernel/task_start.go:412 +0x160