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[freetype2] master 551bd3a: More nullptr offset UBSan warnings (#57331,
From: |
Werner LEMBERG |
Subject: |
[freetype2] master 551bd3a: More nullptr offset UBSan warnings (#57331, #57347). |
Date: |
Tue, 3 Dec 2019 05:53:59 -0500 (EST) |
branch: master
commit 551bd3a90e352fa3a66ee7644c07440939c03d81
Author: Werner Lemberg <address@hidden>
Commit: Werner Lemberg <address@hidden>
More nullptr offset UBSan warnings (#57331, #57347).
* src/autofit/afcjk.c (af_cjk_hints_compute_segments),
src/psaux/psft.c (cf2_getSeacComponent), src/truetype/ttinterp.c
(Ins_UNKNOWN): Use `FT_OFFSET'.
---
ChangeLog | 8 ++++++++
src/autofit/afcjk.c | 2 +-
src/psaux/psft.c | 2 +-
src/truetype/ttinterp.c | 2 +-
4 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 454b8ae..1660afa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2019-12-03 Werner Lemberg <address@hidden>
+
+ More nullptr offset UBSan warnings (#57331, #57347).
+
+ * src/autofit/afcjk.c (af_cjk_hints_compute_segments),
+ src/psaux/psft.c (cf2_getSeacComponent), src/truetype/ttinterp.c
+ (Ins_UNKNOWN): Use `FT_OFFSET'.
+
2019-11-29 Dominik Röttsches <address@hidden>
Avoid more nullptr offset UBSan warnings (#57316).
diff --git a/src/autofit/afcjk.c b/src/autofit/afcjk.c
index a61689b..3bae4ec 100644
--- a/src/autofit/afcjk.c
+++ b/src/autofit/afcjk.c
@@ -806,7 +806,7 @@
{
AF_AxisHints axis = &hints->axis[dim];
AF_Segment segments = axis->segments;
- AF_Segment segment_limit = segments + axis->num_segments;
+ AF_Segment segment_limit = FT_OFFSET( segments, axis->num_segments );
FT_Error error;
AF_Segment seg;
diff --git a/src/psaux/psft.c b/src/psaux/psft.c
index a823ac8..7c7ef2c 100644
--- a/src/psaux/psft.c
+++ b/src/psaux/psft.c
@@ -700,7 +700,7 @@
FT_ASSERT( charstring + len >= charstring );
buf->start = charstring;
- buf->end = charstring + len;
+ buf->end = FT_OFFSET( charstring, len );
buf->ptr = buf->start;
return FT_Err_Ok;
diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c
index 70434e1..1357890 100644
--- a/src/truetype/ttinterp.c
+++ b/src/truetype/ttinterp.c
@@ -7715,7 +7715,7 @@
Ins_UNKNOWN( TT_ExecContext exc )
{
TT_DefRecord* def = exc->IDefs;
- TT_DefRecord* limit = def + exc->numIDefs;
+ TT_DefRecord* limit = FT_OFFSET( def, exc->numIDefs );
for ( ; def < limit; def++ )
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Werner LEMBERG <=