[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
diff --git a/ChangeLog b/ChangeLog
index f43a7ef..cb17e77 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2019-02-21 Armin Hasitzka <prince.cherusker@gmail.com>
+
+ [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 <wink@saville.com>
* 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 );