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[freetype2] master 7f63105: [truetype] Sanitizer fix, second try.
From: |
Werner LEMBERG |
Subject: |
[freetype2] master 7f63105: [truetype] Sanitizer fix, second try. |
Date: |
Tue, 19 Jul 2016 19:36:13 +0000 (UTC) |
branch: master
commit 7f63105c072388e5a5674c0caafc7a560e31c95b
Author: Werner Lemberg <address@hidden>
Commit: Werner Lemberg <address@hidden>
[truetype] Sanitizer fix, second try.
* src/truetype/ttgxvar.c (ft_var_readpackedpoints): Fix boundary
tests and use only one slot more.
---
ChangeLog | 7 +++++++
src/truetype/ttgxvar.c | 8 ++++----
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index ba6c185..616fdec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
2016-07-19 Werner Lemberg <address@hidden>
+ [truetype] Sanitizer fix, second try.
+
+ * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Fix boundary
+ tests and use only one slot more.
+
+2016-07-19 Werner Lemberg <address@hidden>
+
[truetype] Sanitizer fix.
* src/truetype/ttgxvar.c (ft_var_readpackedpoints): Increase array
diff --git a/src/truetype/ttgxvar.c b/src/truetype/ttgxvar.c
index 033b57f..080e2dd 100644
--- a/src/truetype/ttgxvar.c
+++ b/src/truetype/ttgxvar.c
@@ -159,9 +159,9 @@
}
/* in the nested loops below we increase `i' twice; */
- /* it is faster to simply allocate two more slots */
+ /* it is faster to simply allocate one more slot */
/* than to add another test within the loop */
- if ( FT_NEW_ARRAY( points, n + 2 ) )
+ if ( FT_NEW_ARRAY( points, n + 1 ) )
return NULL;
*point_cnt = n;
@@ -182,7 +182,7 @@
{
first += FT_GET_USHORT();
points[i++] = first;
- if ( i == n )
+ if ( i >= n )
break;
}
}
@@ -195,7 +195,7 @@
{
first += FT_GET_BYTE();
points[i++] = first;
- if ( i == n )
+ if ( i >= n )
break;
}
}
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