panic: invalid allocation length: 0x0

goroutine 161478 [running]:
panic({0x10e8c80, 0xc0032d2990})
	GOROOT/src/runtime/panic.go:1147 +0x3a8 fp=0xc004f0b170 sp=0xc004f0b0b0 pc=0x435148
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).Allocate(0xc00105b800, 0xc00548aa80, {0xc004f0b2b8, 0x94b2b1})
	pkg/sentry/pgalloc/pgalloc.go:417 +0x5f4 fp=0xc004f0b280 sp=0xc004f0b170 pc=0x81b614
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc0040e5000, {0x14ca230, 0xc00548aa80}, {0xc005f1f000, 0x438107}, {0xc004f0b718, 0x9022d8}, {0x0, 0x1, 0x0})
	pkg/sentry/mm/pma.go:243 +0x1949 fp=0xc004f0b688 sp=0xc004f0b280 pc=0x8e5629
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0x14ca230, {0x14ca230, 0xc00548aa80}, {0xc005f1f000, 0xd8e56a}, {0x14ca230, 0xc00548aa80}, {0x0, 0x1, 0x0})
	pkg/sentry/mm/pma.go:125 +0x10e fp=0xc004f0b728 sp=0xc004f0b688 pc=0x8e374e
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc0040e5000, {0x14ca230, 0xc00548aa80}, {0x0, 0xc00086a1c0}, {0x0, 0x90, 0xae}, 0x5, 0x1326e60)
	pkg/sentry/mm/io.go:542 +0x289 fp=0xc004f0b810 sp=0xc004f0b728 pc=0x8dd229
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).EnsurePMAsExist(0x5619ca7fdf68, {0x14ca230, 0xc00548aa80}, 0x0, 0xc002929080, {0x0, 0xd3})
	pkg/sentry/mm/io.go:322 +0xab fp=0xc004f0b858 sp=0xc004f0b810 pc=0x8dbd2b
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.getdents(0xc00548aa80, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}, 0x0)
	pkg/sentry/syscalls/linux/vfs2/getdents.go:53 +0x177 fp=0xc004f0b920 sp=0xc004f0b858 pc=0xd91bf7
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Getdents(0xc00548aa80, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/getdents.go:31 +0x45 fp=0xc004f0b970 sp=0xc004f0b920 pc=0xd919c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00548aa80, 0x4e, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x7db fp=0xc004f0bcb8 sp=0xc004f0b970 pc=0xa4bf7b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00548aa80, 0x0, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x57 fp=0xc004f0bd28 sp=0xc004f0bcb8 pc=0xa4d597
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00473ce78, 0x514d20, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc004f0bd88 sp=0xc004f0bd28 pc=0xa4d145
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00548aa80)
	pkg/sentry/kernel/task_syscall.go:257 +0x3a5 fp=0xc004f0be50 sp=0xc004f0bd88 pc=0xa4ce05
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc002712680, 0xc00548aa80)
	pkg/sentry/kernel/task_run.go:247 +0x112a fp=0xc004f0bf70 sp=0xc004f0be50 pc=0xa3ec0a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00548aa80)
	pkg/sentry/kernel/task_run.go:90 +0x1ec fp=0xc004f0bfc8 sp=0xc004f0bf70 pc=0xa3d42c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start·dwrap·239()
	pkg/sentry/kernel/task_start.go:364 +0x26 fp=0xc004f0bfe0 sp=0xc004f0bfc8 pc=0xa4a426
runtime.goexit()
	src/runtime/asm_amd64.s:1581 +0x1 fp=0xc004f0bfe8 sp=0xc004f0bfe0 pc=0x4692a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:364 +0xf5