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freetype2
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Code Issues 4 Releases Wiki Activity

[pshinter] Handle numeric overflow. 

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10396

* src/pshinter/pshglob.c: Include FT_INTERNAL_CALC_H.
(psh_blues_snap_stems): Mask numeric overflow.
This commit is contained in:
Werner Lemberg 2018-09-17 08:03:57 +02:00
parent b8dd404d13
commit dfddc2d975
2 changed files with 14 additions and 2 deletions
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13
ChangeLog
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@ -1,3 +1,14 @@
2018-09-17 Werner Lemberg <wl@gnu.org>
[pshinter] Handle numeric overflow.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10396
* src/pshinter/pshglob.c: Include FT_INTERNAL_CALC_H.
(psh_blues_snap_stems): Mask numeric overflow.
2018-09-13 Werner Lemberg <wl@gnu.org>
[truetype] Some fixes for VF checks.
@ -669,7 +680,7 @@
[cid] Trace PostScript dictionaries.
* src/cid/cidload.c: Include FT_INTERNAL_POSTSCRIPT_AUX_H
* src/cid/cidload.c: Include FT_INTERNAL_POSTSCRIPT_AUX_H.
(cid_load_keyword, cid_parse_font_matrix, parse_fd_array,
parse_expansion_factor, cid_parse_dict): Add tracing calls.
(parse_font_name): New function to trace `/FontName' keywords in

3
src/pshinter/pshglob.c
View File

@ -20,6 +20,7 @@
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_OBJECTS_H
#include FT_INTERNAL_CALC_H
#include "pshglob.h"
#ifdef DEBUG_HINTER
@ -568,7 +569,7 @@
for ( ; count > 0; count--, zone++ )
{
delta = stem_top - zone->org_bottom;
delta = SUB_LONG( stem_top, zone->org_bottom );
if ( delta < -blues->blue_fuzz )
break;