Another fix for handling invalid format 2 cmaps.
Sigh.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8003
* src/sfnt/ttcmap.c (tt_cmap2_char_next): Adjust condition to avoid
an endless loop.
diff --git a/ChangeLog b/ChangeLog
index cd8b153..1b86d60 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2018-04-26 Werner Lemberg <wl@gnu.org>
+
+ Another fix for handling invalid format 2 cmaps.
+
+ Sigh.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8003
+
+ * src/sfnt/ttcmap.c (tt_cmap2_char_next): Adjust condition to avoid
+ an endless loop.
+
2018-04-24 Ben Wagner <bungeman@google.com>
[base] Avoid undefined behaviour in lcd filtering code (#53727).
diff --git a/src/sfnt/ttcmap.c b/src/sfnt/ttcmap.c
index 07075cb..996e664 100644
--- a/src/sfnt/ttcmap.c
+++ b/src/sfnt/ttcmap.c
@@ -518,7 +518,7 @@
FT_UInt pos, idx;
- if ( char_lo > start + count && charcode <= 0xFF )
+ if ( char_lo >= start + count && charcode <= 0xFF )
{
/* this happens only for a malformed cmap */
charcode = 0x100;
