panic: invalid allocation length: 0x0

goroutine 1036220 [running]:
panic({0xfe3ca0, 0xc0b2c00340})
	GOROOT/src/runtime/panic.go:1147 +0x3a8 fp=0xc000a05090 sp=0xc000a04fd0 pc=0x435148
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).Allocate(0xc001b17200, 0xc005082f80, {0x8d5980, 0xc0068ee450})
	pkg/sentry/pgalloc/pgalloc.go:417 +0x545 fp=0xc000a051a0 sp=0xc000a05090 pc=0x7d0865
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc007cf0000, {0x13919b0, 0xc004b55500}, {0xc0078cf800, 0x895527}, {0x438140, 0xc006b33a00}, {0x0, 0x1, 0x0})
	pkg/sentry/mm/pma.go:243 +0x1746 fp=0xc000a055c8 sp=0xc000a051a0 pc=0x87dfc6
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc0068ee400, {0x13919b0, 0xc004b55500}, {0xc0078cf800, 0x0}, {0xcb0f6a, 0xc004e16538}, {0x0, 0x1, 0x0})
	pkg/sentry/mm/pma.go:125 +0xbf fp=0xc000a05658 sp=0xc000a055c8 pc=0x87c29f
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc007cf0000, {0x13919b0, 0xc004b55500}, {0xc000a057a8, 0xffffffff}, {0xc0, 0xb2, 0x36}, 0x98, 0x12112b0)
	pkg/sentry/mm/io.go:542 +0x2e5 fp=0xc000a05748 sp=0xc000a05658 pc=0x877485
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).EnsurePMAsExist(0xf4240, {0x13919b0, 0xc004b55500}, 0x0, 0x0, {0x0, 0x0})
	pkg/sentry/mm/io.go:322 +0x77 fp=0xc000a05790 sp=0xc000a05748 pc=0x8762f7
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.getdents(0xc004b55500, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}, 0x0)
	pkg/sentry/syscalls/linux/vfs2/getdents.go:53 +0x131 fp=0xc000a05858 sp=0xc000a05790 pc=0xcb3e31
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Getdents(0xc004b55500, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/getdents.go:31 +0x38 fp=0xc000a058a8 sp=0xc000a05858 pc=0xcb3c78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc004b55500, 0x4e, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x825 fp=0xc000a05cb0 sp=0xc000a058a8 pc=0x9b7ae5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc004b55500, 0x0, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4d fp=0xc000a05d20 sp=0xc000a05cb0 pc=0x9b8e0d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x13a22c8, 0xc0b2e1a5a0, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc000a05d80 sp=0xc000a05d20 pc=0x9b8ac5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004b55500)
	pkg/sentry/kernel/task_syscall.go:257 +0x31a fp=0xc000a05e48 sp=0xc000a05d80 pc=0x9b87fa
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc005082f00, 0xc004b55500)
	pkg/sentry/kernel/task_run.go:247 +0xe45 fp=0xc000a05f70 sp=0xc000a05e48 pc=0x9ac8c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004b55500)
	pkg/sentry/kernel/task_run.go:90 +0x1a2 fp=0xc000a05fc8 sp=0xc000a05f70 pc=0x9ab422
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start·dwrap·239()
	pkg/sentry/kernel/task_start.go:364 +0x26 fp=0xc000a05fe0 sp=0xc000a05fc8 pc=0x9b6246
runtime.goexit()
	src/runtime/asm_amd64.s:1581 +0x1 fp=0xc000a05fe8 sp=0xc000a05fe0 pc=0x4692a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:364 +0xe7