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[freetype2] master 5e3a38b: [psaux] Mask numeric overflow.
From: |
Armin |
Subject: |
[freetype2] master 5e3a38b: [psaux] Mask numeric overflow. |
Date: |
Thu, 21 Feb 2019 05:05:08 -0500 (EST) |
branch: master
commit 5e3a38b194f3a68e9a5a03a1bd0c6bb2eb3dec1f
Author: Armin Hasitzka <address@hidden>
Commit: Armin Hasitzka <address@hidden>
[psaux] Mask numeric overflow.
* src/psaux/cffdecode.c (cff_decoder_parse_charstrings): Mask numeric
overflow.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13041
---
ChangeLog | 11 +++++++++++
src/psaux/cffdecode.c | 4 ++--
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index f43a7ef..cb17e77 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2019-02-21 Armin Hasitzka <address@hidden>
+
+ [psaux] Mask numeric overflow.
+
+ * src/psaux/cffdecode.c (cff_decoder_parse_charstrings): Mask numeric
+ overflow.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13041
+
2019-02-16 Wink Saville <address@hidden>
* src/autofit/afwarp.h (af_warper_compute): Fix declaration.
diff --git a/src/psaux/cffdecode.c b/src/psaux/cffdecode.c
index 6cc1d32..b11b75f 100644
--- a/src/psaux/cffdecode.c
+++ b/src/psaux/cffdecode.c
@@ -1556,9 +1556,9 @@
}
if ( dx < 0 )
- dx = -dx;
+ dx = NEG_LONG( dx );
if ( dy < 0 )
- dy = -dy;
+ dy = NEG_LONG( dy );
/* strange test, but here it is... */
horizontal = ( dx > dy );
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