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[truetype] Integer overflow. 

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2868

* src/truetype/ttinterp.c (Ins_ALIGNRP): Use NEG_LONG.
This commit is contained in:
Werner Lemberg 2017-08-05 18:58:34 +02:00
parent f43b3094ef
commit 17196b7c74
2 changed files with 11 additions and 1 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2017-06-27 Werner Lemberg <wl@gnu.org>
[truetype] Integer overflow.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2868
* src/truetype/ttinterp.c (Ins_ALIGNRP): Use NEG_LONG.
2017-08-05 Werner Lemberg <wl@gnu.org>
[base, truetype] New function `FT_Get_Var_Axis_Flags'.

2
src/truetype/ttinterp.c
View File

@ -6421,7 +6421,7 @@
distance = PROJECT( exc->zp1.cur + point,
exc->zp0.cur + exc->GS.rp0 );
exc->func_move( exc, &exc->zp1, point, -distance );
exc->func_move( exc, &exc->zp1, point, NEG_LONG( distance ) );
}
exc->GS.loop--;