Groups | Search | Server Info | Keyboard shortcuts | Login | Register


Groups > gnu.bash.bug > #11213

bash leaks a pointer

Path csiph.com!aioe.org!news.glorb.com!usenet.stanford.edu!not-for-mail
From Ondrej Oprala <ooprala@redhat.com>
Newsgroups gnu.bash.bug
Subject bash leaks a pointer
Date Wed, 15 Jul 2015 10:29:29 +0200
Lines 26
Approved bug-bash@gnu.org
Message-ID <mailman.6946.1436948982.904.bug-bash@gnu.org> (permalink)
NNTP-Posting-Host lists.gnu.org
Mime-Version 1.0
Content-Type text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding 7bit
X-Trace usenet.stanford.edu 1436948982 32317 208.118.235.17 (15 Jul 2015 08:29:42 GMT)
X-Complaints-To action@cs.stanford.edu
To bug-bash@gnu.org
Envelope-to bug-bash@gnu.org
User-Agent Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1
X-Scanned-By MIMEDefang 2.68 on 10.5.11.23
X-detected-operating-system by eggs.gnu.org: GNU/Linux 3.x
X-Received-From 209.132.183.28
X-BeenThere bug-bash@gnu.org
X-Mailman-Version 2.1.14
Precedence list
List-Id Bug reports for the GNU Bourne Again SHell <bug-bash.gnu.org>
List-Unsubscribe <https://lists.gnu.org/mailman/options/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=unsubscribe>
List-Archive <http://lists.gnu.org/archive/html/bug-bash>
List-Post <mailto:bug-bash@gnu.org>
List-Help <mailto:bug-bash-request@gnu.org?subject=help>
List-Subscribe <https://lists.gnu.org/mailman/listinfo/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=subscribe>
Xref aioe.org gnu.bash.bug:11213

Show key headers only | View raw


$ export LC_ALL=en_US.UTF-8
$ valgrind --leak-check=full /bin/bash -c 'exit 0'
#<snip>
==4190== HEAP SUMMARY:
==4190==     in use at exit: 22,269 bytes in 614 blocks
==4190==   total heap usage: 698 allocs, 84 frees, 29,706 bytes allocated
==4190==
==4190== 12 bytes in 1 blocks are definitely lost in loss record 77 of 218
==4190==    at 0x4C28C10: malloc (in 
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==4190==    by 0x18928F: xmalloc (in /usr/bin/bash)
==4190==    by 0x18306A: set_default_locale (in /usr/bin/bash)
==4190==    by 0x1360B0: main (in /usr/bin/bash)
==4190==
#</snip>

set_default_locale leaks a pointer (alloced by savestring()) if LC_ALL 
is non-empty. Currently, I don't
see the "default_locale" var used anywhere in the code base, the only 
ocurrence is in a "#if 0" directive.

Thanks,
  Ondrej


Back to gnu.bash.bug | Previous | Next | Find similar


Thread

bash leaks a pointer Ondrej Oprala <ooprala@redhat.com> - 2015-07-15 10:29 +0200

csiph-web