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Date: Thu, 23 Jul 2009 15:29:31 +0200
Message-ID: <fe05d1540907230629x5710efbeib94749b6b2fa4625@mail.gmail.com>
To: =?ISO-8859-1?B?QWxw4XIgVPZy9ms=?= <torokalpar@gmail.com>
Cc: PHP Development <internals@lists.php.net>
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Subject: Re: [PHP-DEV] ZipArchive problems. Possible bug (Livelock)
From: pierre.php@gmail.com (Pierre Joye)

hi,

Please open a bug report here:

http://bugs.php.net

with a script and an archive (if necessary) to reproduce your problem.

Cheers,

On Thu, Jul 23, 2009 at 3:20 PM, Alp=E1r T=F6r=F6k<torokalpar@gmail.com> wr=
ote:
> Hi all,
>
> The short version is : on a corrupted zip, getStream never returns,
> and eats up the whole processor. CHECKCONS doesn't help.
>
> The long version:
> =A0I have scripts that process data. Data arrives as zip archives. The
> data import process halts, eating up all server CPU. I have analyzed
> the incoming zips =A0using the test option of 7zip [1] , i found that
> the the problem occurs with zips that contain one or more files for
> witch 7zip reports that CRC has failed. These zips open without an
> error, and once i try to get stream, for the faulty file, the call
> never returns, and eats up the cpu. I tried to use the =A0 CHECKCON flag
> at opening, in the hope that the zip won't open, and thus i can just
> throw it away, but it doesn't seem to help. Looking in the source i
> wound on line 1174 of php_zip.c [2] , that no flag parameter is passed
> to zip_open. I don't have a developement environment, so i can
> recompile / and or debug this problem.
>
> I have tested with 5.2.10
>
>
>
> [1] http://www.7-zip.org/ - The 7zip homepage
> [2] the line reads : rsrc_int->za =3D zip_open(resolved_path, 0, &err);
> --
> Alpar Torok
>
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> PHP Internals - PHP Runtime Development Mailing List
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>
>



--=20
Pierre

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