38 lines
1012 B
Diff
38 lines
1012 B
Diff
From e6fda039ad638866b7a6a5d046f03278ba1b7611 Mon Sep 17 00:00:00 2001
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From: Werner Lemberg <wl@gnu.org>
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Date: Mon, 14 Nov 2022 19:18:19 +0100
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Subject: [PATCH] * src/truetype/ttgxvar.c (tt_hvadvance_adjust): Integer
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overflow.
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Reported as
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https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50462
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---
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src/truetype/ttgxvar.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/src/truetype/ttgxvar.c b/src/truetype/ttgxvar.c
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index aad3e29..a69a9b5 100644
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--- a/src/truetype/ttgxvar.c
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+++ b/src/truetype/ttgxvar.c
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@@ -42,6 +42,7 @@
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#include <ft2build.h>
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#include <freetype/internal/ftdebug.h>
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#include FT_CONFIG_CONFIG_H
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+#include <freetype/internal/ftcalc.h>
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#include <freetype/internal/ftstream.h>
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#include <freetype/internal/sfnt.h>
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#include <freetype/tttags.h>
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@@ -1075,7 +1076,7 @@
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delta == 1 ? "" : "s",
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vertical ? "VVAR" : "HVAR" ));
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- *avalue += delta;
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+ *avalue = ADD_INT(*avalue, delta );
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Exit:
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return error;
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--
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2.33.0
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