commit 2a1597826a84275660e7410368200b37f85ffdaf
author Werner Lemberg <wl@gnu.org> Tue Apr 17 12:25:17 2018 +0200
committer Werner Lemberg <wl@gnu.org> Tue Apr 17 12:25:17 2018 +0200
tree 2f6e67d4fbe40a1e40af1cbf3a75cde26361d044
parent 632a11f91f0d932ac498e9e6ca022c9903ab05e9

[truetype] Integer overflow issues.

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7739

* src/truetype/ttinterp.c (Ins_CEILING): Use FT_PIX_CEIL_LONG.

ChangeLog

diff --git a/ChangeLog b/ChangeLog
index 3162560..c3788a9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2018-04-17  Werner Lemberg  <wl@gnu.org>
+
+	[truetype] Integer overflow issues.
+
+	Reported as
+
+	  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7739
+
+	* src/truetype/ttinterp.c (Ins_CEILING): Use FT_PIX_CEIL_LONG.
+
 2018-04-16  Werner Lemberg  <wl@gnu.org>
 
 	[truetype] Integer overflow issues.

src/truetype/ttinterp.c

diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c
index 336b46b..da9b595 100644
--- a/src/truetype/ttinterp.c
+++ b/src/truetype/ttinterp.c
@@ -2954,7 +2954,7 @@
   static void
   Ins_CEILING( FT_Long*  args )
   {
-    args[0] = FT_PIX_CEIL( args[0] );
+    args[0] = FT_PIX_CEIL_LONG( args[0] );
   }