desktop/source/lib/init.cxx | 5 +++++
1 file changed, 5 insertions(+)
New commits:
commit 098fb95772b3184bb81180d1bc30c9753d30e2b6
Author: Henry Castro <[email protected]>
Date: Tue Nov 29 17:19:00 2016 -0400
lok: ensure positive values for width and height
also check the pointer memory block allocated
Change-Id: I0ded04e06f80400e64c5e58126a32ee503aeb394
Reviewed-on: https://gerrit.libreoffice.org/31388
Tested-by: Jenkins <[email protected]>
Reviewed-by: Henry Castro <[email protected]>
diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx
index fa3446e..fe73f17 100644
--- a/desktop/source/lib/init.cxx
+++ b/desktop/source/lib/init.cxx
@@ -2592,8 +2592,13 @@ unsigned char* doc_renderFont(LibreOfficeKitDocument*
/*pThis*/,
*pFontWidth = nFontWidth;
int nFontHeight = aRect.BottomRight().Y() + 1;
*pFontHeight = nFontHeight;
+ if (!(nFontWidth > 0 && nFontHeight > 0))
+ break;
unsigned char* pBuffer = static_cast<unsigned char*>(malloc(4 *
nFontWidth * nFontHeight));
+ if (!pBuffer)
+ break;
+
memset(pBuffer, 0, nFontWidth * nFontHeight * 4);
aDevice->SetBackground(Wallpaper(COL_TRANSPARENT));
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