panic: invalid allocation length: 0x0 goroutine 40692 gp=0x4000649dc0 m=10 mp=0x400048a308 [running]: panic({0xd9e8e0?, 0x4001ee5160?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x4000d8f4b0 sp=0x4000d8f400 pc=0x84314 gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).Allocate(0xfffef4bd1400?, 0x4001600c88?, {0x1, 0x6, 0x0, 0x0, 0x0, 0x0}) pkg/sentry/pgalloc/pgalloc.go:639 +0x744 fp=0x4000d8f5f0 sp=0x4000d8f4b0 pc=0x472124 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*ringBuffer).init(0x4000bd0f10, {0x1248170, 0x4001600c88}, 0x40002bcd70) pkg/sentry/socket/netstack/packetmmap/ring_buffer.go:78 +0x22c fp=0x4000d8f6c0 sp=0x4000d8f5f0 pc=0x74f3dc gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*Endpoint).Init(0x4000bd0f08, {0x1248170?, 0x4001600c88?}, {0x40002bcd70, 0x1, 0x1, 0x4000ecc808, 0x4000eb4af0, 0x40016664e0, 0x0, ...}) pkg/sentry/socket/netstack/packetmmap/endpoint.go:128 +0x360 fp=0x4000d8f710 sp=0x4000d8f6c0 pc=0x74cd80 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0x4001600c88, {0x5243d8?, 0x40017d2898?}, {0xfffef4b83a00, 0x4000eb4a00}, 0xfc5480?, {0x400160179c?, 0x6e1fd0?, 0x4001662008?}) pkg/sentry/socket/netstack/netstack.go:2748 +0x394 fp=0x4000d8f840 sp=0x4000d8f710 pc=0x8203b4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1f37700?, {0x125a038?, 0x40012dd040?}, {0xfffef4b83a00?, 0x4000eb4a00?}, 0x400160179c?, 0x1c?, {0x400160179c?, 0x1248170?, 0x4001600c88?}) pkg/sentry/socket/netstack/netstack.go:1873 +0x194 fp=0x4000d8f8a0 sp=0x4000d8f840 pc=0x81c5d4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0x40012dd040, 0x4001600c88?, 0x107?, 0x5?, {0x400160179c, 0x1c?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x220 fp=0x4000d8f950 sp=0x4000d8f8a0 pc=0x815ef0 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0x4001600c88, 0x7c4?, {{0x3}, {0x107}, {0x5}, {0x200000c0}, {0x1c}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x248 fp=0x4000d8fa30 sp=0x4000d8f950 pc=0x898b28 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4001600c88, 0xd0, {{0x3}, {0x107}, {0x5}, {0x200000c0}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x4000d8fc60 sp=0x4000d8fa30 pc=0x6df6c4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4001600c88, 0xd0, {{0x3}, {0x107}, {0x5}, {0x200000c0}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x4000d8fcc0 sp=0x4000d8fc60 pc=0x6e0988 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4001600c88, 0xd0, {{0x3}, {0x107}, {0x5}, {0x200000c0}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x4000d8fd10 sp=0x4000d8fcc0 pc=0x6e054c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x4001342e70?) pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x4000d8fdf0 sp=0x4000d8fd10 pc=0x6e0278 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x40009262d0?, 0x4001600c88) pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x4000d8ff10 sp=0x4000d8fdf0 pc=0x6d45bc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4001600c88, 0x25fd) pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x4000d8ffb0 sp=0x4000d8ff10 pc=0x6d2e60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x2c fp=0x4000d8ffd0 sp=0x4000d8ffb0 pc=0x6dde8c runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0x4000d8ffd0 sp=0x4000d8ffd0 pc=0x8d564 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 40672 pkg/sentry/kernel/task_start.go:412 +0xd8