This bug was fixed in the package libjpeg-turbo -
1.1.90+svn733-0ubuntu4.4
---------------
libjpeg-turbo (1.1.90+svn733-0ubuntu4.4) precise; urgency=medium
* Updated FixLibraryStartup.patch to properly close /proc/self/auxv.
(LP: #1189939)
-- Forest Bond <[email protected]> Fri, 06 Jun 2014 09:07:38 -0400
** Changed in: libjpeg-turbo (Ubuntu Precise)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1189939
Title:
Initialization leaks file descriptors to /proc/self/auxv
Status in “libjpeg-turbo” package in Ubuntu:
Invalid
Status in “libjpeg-turbo” source package in Precise:
Fix Released
Status in “libjpeg-turbo” source package in Quantal:
Invalid
Status in “libjpeg-turbo” source package in Raring:
Invalid
Status in “libjpeg-turbo” source package in Saucy:
Invalid
Bug description:
[impact]
In precise only, an Ubuntu-specific patch (FixLibraryStartup.patch) causes
/proc/self/auxv to be opened on library initialization, but the file is never
closed. For long running processes that periodically re-initialize the library
(Firefox's plugin-container loading the VLC plugin for me), this leads to the
available file descriptors being exhausted.
This also causes
https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1177684.
[test case]
Fresh and clean Ubuntu Precise 12.04.2 install
# apt-get install apache2-mpm-itk libapache2-mod-php5 php5-gd
Restart Apache to ensure gd.so is loaded
# for pid in `pidof apache2`; do find /proc/$pid/fd -ls; done | awk '/auxv/
{print $11" "$12" "$13}'
# apache2ctl graceful
# for pid in `pidof apache2`; do find /proc/$pid/fd -ls; done | awk '/auxv/
{print $11" "$12" "$13}'
# apache2ctl graceful
# for pid in `pidof apache2`; do find /proc/$pid/fd -ls; done | awk '/auxv/
{print $11" "$12" "$13}'
.. etc
[regression potential]
This affects patch designed for ARM. Although all it does it properly close
the file descriptor, I have not specifically tested it on ARM.
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