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Subject: FreeTDS Development Group

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  • From: Brian Johnson <bronson21 AT hotmail.com>
  • To: <freetds AT lists.ibiblio.org>
  • Subject: [freetds] (no subject)
  • Date: Tue, 27 Apr 2010 15:38:36 +0000


Hello list,
I am having a problem when using FreeTDS and am curious if anyone else has
encountered this at some point.

I am running the following:
FreeBSD 6.4 x64 bit
Apache 2.0.63
PHP 5.2.8 and 5.2.12 with Suhosin-Patch 0.9.6.3

When we go to access a page that is pulling data from a database server,
apache segfaults and we get the following in our /var/log/messages:

Apr 27 10:30:56 my-machine-name-1 suhosin[5251]: ALERT - canary mismatch on
efree() - heap overflow detected (attacker 'my.ip.addr.ess', file
'/usr/local/www/dev-assessment-03.mydomain.com/admin/dm.index.php', line 635)

The error only seems to occur intermittently, like say 7-8 out of every 10
attempts.

Has anyone encountered this? Any thoughts tips or tricks that you could
possibly share?

~bronson

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