[PATCH] comctl32/dsa: Handle overflow in DSA_InsertItem()

[Nikolay Sivov]

From: Xiaoshan Sun <sunxs at is.iscas.ac.cn>

Signed-off-by: Xiaoshan Sun <sunxs at is.iscas.ac.cn>
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---

For https://bugs.winehq.org/show_bug.cgi?id=33457

 dlls/comctl32/dsa.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/comctl32/dsa.c b/dlls/comctl32/dsa.c
index a73a54a..d5e8234 100644
--- a/dlls/comctl32/dsa.c
+++ b/dlls/comctl32/dsa.c
@@ -267,6 +267,9 @@ INT WINAPI DSA_InsertItem (HDSA hdsa, INT nIndex, LPVOID pSrc)
         nNewItems = hdsa->nMaxCount + hdsa->nGrow;
         nSize = hdsa->nItemSize * nNewItems;
 
+        if (nSize / hdsa->nItemSize != nNewItems)
+            return -1;
+
         lpTemp = ReAlloc (hdsa->pData, nSize);
         if (!lpTemp)
             return -1;
-- 
2.8.1