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* src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Fix integer 

overflow.

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3539
This commit is contained in:
Werner Lemberg 2017-10-05 14:32:24 +02:00
parent 2e58808d48
commit c3083e4595
2 changed files with 11 additions and 2 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2017-10-05 Werner Lemberg <wl@gnu.org>
* src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Fix integer
overflow.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3539
2017-10-05 Werner Lemberg <wl@gnu.org>
Fix compiler warnings.

4
src/base/ftobjs.c
View File

@ -419,8 +419,8 @@
cbox.yMax = FT_PIX_CEIL( cbox.yMax );
}
x_shift -= cbox.xMin;
y_shift -= cbox.yMin;
x_shift = SUB_LONG( x_shift, cbox.xMin );
y_shift = SUB_LONG( y_shift, cbox.yMin );
x_left = cbox.xMin >> 6;
y_top = cbox.yMax >> 6;