gdiplus/metafile: Validate data size when playing back EmfPlusClear.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Vincent Povirk <vincent@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

gdiplus/metafile: Validate data size when playing back EmfPlusClear.
b203b761 · Nikolay Sivov · Alexandre Julliard · 9787af34 · b203b761
Commit b203b761 authored Oct 17, 2017 by Nikolay Sivov Committed by Alexandre Julliard Oct 18, 2017
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metafile.c dlls/gdiplus/metafile.c +3 -0

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--- a/dlls/gdiplus/metafile.c
+++ b/dlls/gdiplus/metafile.c
@@ -1823,6 +1823,9 @@ GpStatus WINGDIPAPI GdipPlayMetafileRecord(GDIPCONST GpMetafile *metafile,
        {
            EmfPlusClear *record = (EmfPlusClear*)header;

+            if (dataSize != sizeof(record->Color))
+                return InvalidParameter;
+
            return GdipGraphicsClear(metafile->playback_graphics, record->Color);
        }
        case EmfPlusRecordTypeFillRects: