Title: [210056] trunk/Source/WebCore
Revision
210056
Author
commit-qu...@webkit.org
Date
2016-12-20 23:48:37 -0800 (Tue, 20 Dec 2016)

Log Message

[Cairo] Conditional jump or move depends on uninitialised value(s)
https://bugs.webkit.org/show_bug.cgi?id=166058

Patch by Carlos Garcia Campos <cgar...@igalia.com> on 2016-12-20
Reviewed by Michael Catanzaro.

Initialize x and y members of cairo_glyph_t struct before passing it to cairo_glyph_path.

* platform/graphics/cairo/FontCairo.cpp:
(WebCore::CairoGlyphToPathTranslator::path):

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (210055 => 210056)


--- trunk/Source/WebCore/ChangeLog	2016-12-21 07:07:13 UTC (rev 210055)
+++ trunk/Source/WebCore/ChangeLog	2016-12-21 07:48:37 UTC (rev 210056)
@@ -1,3 +1,15 @@
+2016-12-20  Carlos Garcia Campos  <cgar...@igalia.com>
+
+        [Cairo] Conditional jump or move depends on uninitialised value(s)
+        https://bugs.webkit.org/show_bug.cgi?id=166058
+
+        Reviewed by Michael Catanzaro.
+
+        Initialize x and y members of cairo_glyph_t struct before passing it to cairo_glyph_path.
+
+        * platform/graphics/cairo/FontCairo.cpp:
+        (WebCore::CairoGlyphToPathTranslator::path):
+
 2016-12-20  Myles C. Maxfield  <mmaxfi...@apple.com>
 
         Skia lighter wght variation looks bolder than regular

Modified: trunk/Source/WebCore/platform/graphics/cairo/FontCairo.cpp (210055 => 210056)


--- trunk/Source/WebCore/platform/graphics/cairo/FontCairo.cpp	2016-12-21 07:07:13 UTC (rev 210055)
+++ trunk/Source/WebCore/platform/graphics/cairo/FontCairo.cpp	2016-12-21 07:48:37 UTC (rev 210056)
@@ -243,6 +243,7 @@
 
     cairo_glyph_t cairoGlyph;
     cairoGlyph.index = m_glyphBuffer.glyphAt(m_index);
+    cairoGlyph.x = cairoGlyph.y = 0;
     cairo_set_scaled_font(path.platformPath()->context(), m_fontData->platformData().scaledFont());
     cairo_glyph_path(path.platformPath()->context(), &cairoGlyph, 1);
 
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