Error upon identify foo.png: Assertion `image->signature == 0xabacadabUL' failed

Hans de Goede <[email protected]>
Newsgroups gmane.comp.video.image-magick.bugs
Message-ID <[email protected]> 
Hi,

As you probably know by now I'm the Fedora ImageMagick maintainer. Today I've 
received this bug report:
https://bugzilla.redhat.com/show_bug.cgi?id=445341

This bug report has a specially crafted png attached which was created for 
testing a bug in cups, using this png with ImageMagick results in the following:

$ identify test.png
identify: magick/blob.c:469: CloseBlob: Assertion `image->signature ==
0xabacadabUL' failed.
Aborted (core dumped)

Again the png for reproducing this can be found here:
https://bugzilla.redhat.com/show_bug.cgi?id=445341

Regards,

Hans
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