shithub: freetype+ttf2subf

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

Problem reported by Sender Ghost <[email protected]>.

git/fs: mount .git/fs: mount/attach disallowed

--- a/ChangeLog

+++ b/ChangeLog

@@ -1,5 +1,11 @@

 2019-04-22  Werner Lemberg  <[email protected]>

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

+

+	Problem reported by Sender Ghost <[email protected]>.

+

+2019-04-22  Werner Lemberg  <[email protected]>

+

 	Fix return value of `FT_Set_Named_Instance' (#56186).

 	* src/truetype/ttgxvar.c (TT_Set_Named_Instance): Correctly handle

--- a/src/base/ftbitmap.c

+++ b/src/base/ftbitmap.c

@@ -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;