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Re: grep 2.6, savedir.c

From: Jim Meyering
Subject: Re: grep 2.6, savedir.c
Date: Fri, 26 Mar 2010 11:52:36 +0100

Jim Meyering wrote:

> Standish Parsley wrote:
>> In grep 2.6, savedir.c is broken.  The following will produce a segfault 
>> with grep 2.6, but works fine with grep 2.5.4:
>> grep -rl --exclude-dir=foo NEEDLE $HOME
>> It looks like, in savedir.c's isdir1(), path is being accessed before it is 
>> allocated.
> Thanks for the report!
> That is definitely a bug.
> This makes me regret not removing savedir a couple
> months ago when I converted to gnulib...
> Here's the fix.
> I'll push shortly, once I've added a test to exercise the
> code in question.
> Subject: [PATCH] grep: don't segfault upon use of --exclude or --exclude-dir

To be precise,
any use of --include or --exclude-from would also cause a segfault.

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