[PATCH 1/1] rpcrt4/tests: Fix out-of-bound write in test_pointer_marshal.

[Yuxuan Shui]

From: Yuxuan Shui

In case of FC_POINTER_DEREF, we write a pointer into mem, so we need to
allocate at least sizeof(pointer).
---
 dlls/rpcrt4/tests/ndr_marshall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/rpcrt4/tests/ndr_marshall.c b/dlls/rpcrt4/tests/ndr_marshall.c
index b30750fca4c..8b0e1c270a7 100644
--- a/dlls/rpcrt4/tests/ndr_marshall.c
+++ b/dlls/rpcrt4/tests/ndr_marshall.c
@@ -256,7 +256,7 @@ static void test_pointer_marshal(const unsigned char *formattypes,
         ok(size == srcsize + (srcsize == 8 ? 8 : sizeof(void *)), "%s: mem size %lu\n", msgpfx, size);

size = srcsize;
-    if (formattypes[1] & FC_POINTER_DEREF) size += 4;
+    if (formattypes[1] & FC_POINTER_DEREF) size += sizeof(void *);

StubMsg.Buffer = StubMsg.BufferStart;
     StubMsg.MemorySize = 0;