From 0a633908410f8ecd815ab8c897768a0dfad1028e Mon Sep 17 00:00:00 2001 From: Nikolay Sivov Date: Tue, 5 Sep 2017 13:35:28 +0300 Subject: [PATCH] dwrite: Validate buffer size passed to CreateAlphaTexture() against analysis texture type. Signed-off-by: Nikolay Sivov Signed-off-by: Alexandre Julliard --- dlls/dwrite/font.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/dlls/dwrite/font.c b/dlls/dwrite/font.c index 4dfb47fc7ed..9af46be0db9 100644 --- a/dlls/dwrite/font.c +++ b/dlls/dwrite/font.c @@ -5092,7 +5092,7 @@ static HRESULT WINAPI glyphrunanalysis_CreateAlphaTexture(IDWriteGlyphRunAnalysi /* make sure buffer is large enough for requested texture type */ required = (bounds->right - bounds->left) * (bounds->bottom - bounds->top); - if (type == DWRITE_TEXTURE_CLEARTYPE_3x1) + if (This->texture_type == DWRITE_TEXTURE_CLEARTYPE_3x1) required *= 3; if (size < required)