panic: runtime error: index out of range [3] with length 0 goroutine 338 gp=0xc000880a80 m=31 mp=0xc000c80708 [running]: panic({0x19bdbc0?, 0xc000584000?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0xc000a5b280 sp=0xc000a5b1d0 pc=0x478024 runtime.goPanicIndex(0x3, 0x0) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc000a5b2c0 sp=0xc000a5b280 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(0xc000cb7208, {0xfffe19594008?, 0xc000a5b488?}, {0xfffe19594008, 0xc000396200}, 0xa, {0xc000cb7d1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:2754 +0x56c fp=0xc000a5b430 sp=0xc000a5b2c0 pc=0xfd34cc gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0xc000cb7208, {0x1cec5d8, 0xc000ca4000}, {0xfffe19594008, 0xc000396200}, 0x107, 0xa, {0xc000cb7d1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x2b0 fp=0xc000a5b490 sp=0xc000a5b430 pc=0xfcd350 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc000ca4000, 0xc000cb7208, 0x107, 0xa, {0xc000cb7d1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:634 +0x4d8 fp=0xc000a5b5b0 sp=0xc000a5b490 pc=0xfc47d8 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc000cb7208, 0x1?, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x32c fp=0xc000a5b6f0 sp=0xc000a5b5b0 pc=0x106f96c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000cb7208, 0xd0, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/kernel/task_syscall.go:143 +0x884 fp=0xc000a5b9a0 sp=0xc000a5b6f0 pc=0xe0f714 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000cb7208, 0xd0, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/kernel/task_syscall.go:323 +0x60 fp=0xc000a5ba50 sp=0xc000a5b9a0 pc=0xe11140 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000cb7208, 0xd0, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f7f7f7f7f7f7f7f}}) pkg/sentry/kernel/task_syscall.go:283 +0xa8 fp=0xc000a5bac0 sp=0xc000a5ba50 pc=0xe10b98 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000cb7208) pkg/sentry/kernel/task_syscall.go:258 +0x45c fp=0xc000a5bbf0 sp=0xc000a5bac0 pc=0xe107cc gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000cb7208?, 0xc000cb7208) pkg/sentry/kernel/task_run.go:269 +0x1860 fp=0xc000a5be60 sp=0xc000a5bbf0 pc=0xdff720 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000cb7208, 0x9) pkg/sentry/kernel/task_run.go:97 +0x2f8 fp=0xc000a5bfa0 sp=0xc000a5be60 pc=0xdfd608 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x44 fp=0xc000a5bfd0 sp=0xc000a5bfa0 pc=0xe0d704 runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0xc000a5bfd0 sp=0xc000a5bfd0 pc=0x481484 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 306 pkg/sentry/kernel/task_start.go:412 +0x160