panic: invalid allocation length: 0x0

goroutine 75179 [running]:
panic({0x183d9c0, 0xc001edf3b0})
	GOROOT/src/runtime/panic.go:1147 +0x3a8 fp=0xc0049eabf0 sp=0xc0049eab30 pc=0x437c88
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).Allocate(0xc0006b2e00, 0x0, {0x46fc2c, 0xc000239598})
	pkg/sentry/pgalloc/pgalloc.go:417 +0x77f fp=0xc0049ead88 sp=0xc0049eabf0 pc=0xa9b03f
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc005b22000, {0x1c702f0, 0xc005b3aa80}, {0xc0070f2000, 0x1}, {0xa, 0x470e65}, {0x0, 0x1, 0x0})
	pkg/sentry/mm/pma.go:243 +0x1e1c fp=0xc0049eb238 sp=0xc0049ead88 pc=0xbd155c
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xdb7e65, {0x1c702f0, 0xc005b3aa80}, {0xc0070f2000, 0x0}, {0x0, 0x0}, {0x0, 0x1, 0x0})
	pkg/sentry/mm/pma.go:125 +0x188 fp=0xc0049eb308 sp=0xc0049eb238 pc=0xbcefe8
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc005b22000, {0x1c702f0, 0xc005b3aa80}, {0xd73b4b, 0xc00598bf80}, {0x5b, 0x13, 0x47}, 0x0, 0x1a826a8)
	pkg/sentry/mm/io.go:542 +0x289 fp=0xc0049eb418 sp=0xc0049eb308 pc=0xbc5d29
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).EnsurePMAsExist(0xc005b3aa80, {0x1c702f0, 0xc005b3aa80}, 0xed4a25, 0xc005b3aa80, {0xe0, 0x31})
	pkg/sentry/mm/io.go:322 +0x105 fp=0xc0049eb4a8 sp=0xc0049eb418 pc=0xbc3f25
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.getdents(0xc005b3aa80, {{0x4}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}, 0x2)
	pkg/sentry/syscalls/linux/vfs2/getdents.go:53 +0x1e5 fp=0xc0049eb5d0 sp=0xc0049eb4a8 pc=0x129f285
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Getdents(0x451980, {{0x4}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/getdents.go:31 +0x67 fp=0xc0049eb648 sp=0xc0049eb5d0 pc=0x129ef87
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc005b3aa80, 0x4e, {{0x4}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0xaf7 fp=0xc0049eba98 sp=0xc0049eb648 pc=0xdf0db7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc005b3aa80, 0x1, {{0x4}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x8e fp=0xc0049ebb28 sp=0xc0049eba98 pc=0xdf2ece
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0044bd950, 0x1, {{0x4}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0xc5 fp=0xc0049ebba0 sp=0xc0049ebb28 pc=0xdf27c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc005b3aa80)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c7 fp=0xc0049ebcb0 sp=0xc0049ebba0 pc=0xdf22e7
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc005b3aa80, 0xc005b3aa80)
	pkg/sentry/kernel/task_run.go:247 +0x19fc fp=0xc0049ebed0 sp=0xc0049ebcb0 pc=0xddb87c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc005b3aa80)
	pkg/sentry/kernel/task_run.go:90 +0x2c2 fp=0xc0049ebfc0 sp=0xc0049ebed0 pc=0xdd9442
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start·dwrap·239()
	pkg/sentry/kernel/task_start.go:364 +0x3a fp=0xc0049ebfe0 sp=0xc0049ebfc0 pc=0xdee3fa
runtime.goexit()
	src/runtime/asm_amd64.s:1581 +0x1 fp=0xc0049ebfe8 sp=0xc0049ebfe0 pc=0x46e001
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:364 +0x1b1