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* src/base/ftbitmap.c (FT_Bitmap_Blend): Check target pitch.

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Problem reported by Sender Ghost <lightside@gmx.com>.
This commit is contained in:
Werner Lemberg 2019-04-22 08:10:56 +02:00
parent af400438b7
commit 9f6ed10545
2 changed files with 13 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2019-04-22 Werner Lemberg <wl@gnu.org>
* src/base/ftbitmap.c (FT_Bitmap_Blend): Check target pitch.
Problem reported by Sender Ghost <lightside@gmx.com>.
2019-04-22 Werner Lemberg <wl@gnu.org>
Fix return value of `FT_Set_Named_Instance' (#56186).

7
src/base/ftbitmap.c
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@ -971,6 +971,13 @@
pitch = target->pitch;
if ( !pitch )
{
FT_TRACE5(( "FT_Blend_Bitmap:"
" zero target bitmap pitch is invalid\n" ));
return FT_THROW( Invalid_Argument );
}
if ( pitch < 0 )
pitch = -pitch;