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Date: Tue, 27 Sep 2016 09:56:58 -0500 (CDT)
From: Bob Friesenhahn <>
Subject: Re: ImageMagick identify "d:" hangs

On Tue, 27 Sep 2016, Jakub Wilk wrote:

> * Bob Friesenhahn <>, 2016-09-27, 08:48:
>> From my own investigations, I used
>>  identify -debug all "d:"
>> and see that a temporary file is reported to be created and then the 
>> program hangs which no apparent CPU usage.
> strace tells me that it waits for input on stdin.
> This is a simpler way to make it "hang":
>  identify -

This is what I expected was happening.  The main thing to investigate 
is if the "ImageTragick" patches distributions are using do protect 
against this possible issue as well.

Bob Friesenhahn,
GraphicsMagick Maintainer,

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