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Fix duckduckgo imagemagick crash

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* image.c (imagemagick_compute_animated_image): Don't crash if we
have an animation with different-sized images.

Fixes: debbugs:15313
This commit is contained in:
Lars Magne Ingebrigtsen 2013-12-01 15:34:05 +01:00
parent de8a5633bd
commit 5f9aee6fdd
2 changed files with 6 additions and 1 deletions
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5
src/ChangeLog
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@ -1,3 +1,8 @@
2013-12-01 Lars Magne Ingebrigtsen <larsi@gnus.org>
* image.c (imagemagick_compute_animated_image): Don't crash if we
have an animation with different-sized images (bug#15313).
2013-11-30 Martin Rudalics <rudalics@gmx.at>
Remove some unused items introduced during pixelwise change.

2
src/image.c
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@ -8093,7 +8093,7 @@ imagemagick_compute_animated_image (MagickWand *super_wand, int ino)
{
/* Sanity check. This shouldn't happen, but apparently
also does in some pictures. */
if (x + source_left > dest_width)
if (x + source_left > dest_width - 1)
break;
/* Normally we only copy over non-transparent pixels,
but if the disposal method is "Background", then we