panic: invalid allocation length: 0x0

goroutine 27034 gp=0xc000de3500 m=23 mp=0xc000923508 [running]:
panic({0x114b520?, 0xc002206630?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc001691550 sp=0xc0016914a0 pc=0x4740c8
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).Allocate(0x20eda60?, 0x114e160?, {0x1, 0x6, 0x0, 0x0, 0x0, 0x0})
	pkg/sentry/pgalloc/pgalloc.go:639 +0x6f9 fp=0xc0016916a0 sp=0xc001691550 pc=0x83ab59
gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*ringBuffer).init(0xc000249b90, {0x15cd040, 0xc001d42588}, 0xc00314f3a0)
	pkg/sentry/socket/netstack/packetmmap/ring_buffer.go:78 +0x2a8 fp=0xc001691768 sp=0xc0016916a0 pc=0xae3948
gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*Endpoint).Init(0xc0035ba000?, {0x15cd040?, 0xc001d42588?}, {0xc00314f3a0, 0x1, 0x0, 0xc00083c808, 0xc0035ba0f0, 0xc00317e330, 0x0, ...})
	pkg/sentry/socket/netstack/packetmmap/endpoint.go:128 +0x265 fp=0xc0016917b8 sp=0xc001691768 pc=0xae14a5
gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0xc001d42588, {0xc0016918e0?, 0x40e7ff?}, {0x7f91627fed00, 0xc0035ba000}, 0xc001691901?, {0xc001d4309c?, 0xc001691908?, 0xc001267008?})
	pkg/sentry/socket/netstack/netstack.go:2745 +0x315 fp=0xc001691898 sp=0xc0016917b8 pc=0xba52f5
gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x8dcbc0?, {0x15df0d8?, 0xc0035bc000?}, {0x7f91627fed00?, 0xc0035ba000?}, 0xc001d42588?, 0xc001691988?, {0xc001d4309c, 0x1c, 0x90})
	pkg/sentry/socket/netstack/netstack.go:1873 +0x148 fp=0xc0016918f0 sp=0xc001691898 pc=0xba2468
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc0035bc000, 0xc001d42588?, 0x107?, 0x5?, {0xc001d4309c, 0x1c?, 0x90?})
	pkg/sentry/socket/netstack/netstack.go:634 +0x225 fp=0xc001691998 sp=0xc0016918f0 pc=0xb9c8e5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc001d42588, 0xc001691b10?, {{0x4}, {0x107}, {0x5}, {0x200000000040}, {0x1c}, {0x0}})
	pkg/sentry/syscalls/linux/sys_socket.go:551 +0x246 fp=0xc001691a78 sp=0xc001691998 pc=0xc2a546
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001d42588, 0x36, {{0x4}, {0x107}, {0x5}, {0x200000000040}, {0x1c}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc001691ca8 sp=0xc001691a78 pc=0xa777f7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001d42588, 0x36, {{0x4}, {0x107}, {0x5}, {0x200000000040}, {0x1c}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc001691d00 sp=0xc001691ca8 pc=0xa78965
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001d42588, 0x36, {{0x4}, {0x107}, {0x5}, {0x200000000040}, {0x1c}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc001691d50 sp=0xc001691d00 pc=0xa78665
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0018d25b0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc001691e28 sp=0xc001691d50 pc=0xa783e5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0023c8360?, 0xc001d42588)
	pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc001691f30 sp=0xc001691e28 pc=0xa6dbd7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001d42588, 0x187a)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc001691fc0 sp=0xc001691f30 pc=0xa6c634
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc001691fe0 sp=0xc001691fc0 pc=0xa76205
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc001691fe8 sp=0xc001691fe0 pc=0x47d1a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 27007
	pkg/sentry/kernel/task_start.go:412 +0xc5