Red Hat Bugzilla – Bug 248188
*** stack smashing detected ***: /usr/bin/php-cgi terminated
Last modified: 2008-06-16 21:52:34 EDT
Description of problem:
I am running php as fastcgi in lighttpd, and my php is crashing causing lighttpd
stop to server pages.
also when I run lighttpd using the gdb I see the smash stack message on gdb
console but the lighttpd continue to server pages, but if running lighttpd
without gdb the lighttpd stop serving pages if php crashes with stack smash
Version-Release number of selected component (if applicable):
Can you get a core dump?
1) ensure lighttpd is starting with "ulimit -c unlimited"
2) ensure core dumps go somewhere useful
# sysctl kernel.core_pattern=/var/core/core.%e.%p
# mkdir /var/core
lighttpd is now working fine after started with "ulimit -c unlimited"
(3 day's working fine without stopping to server pages)
I can ignore this because the lighttpd is not stopping to server pages.
but I am still able to see stack smash messages in /var/log/messages, also
there are no core files created in /var/core
[root@server log]# cat messages|grep stack
Jul 15 16:25:46 server php-cgi: *** stack smashing detected ***: /usr/bin/php-
Jul 16 02:22:06 server php-cgi: *** stack smashing detected ***: /usr/bin/php-
Jul 16 18:29:41 server php-cgi: *** stack smashing detected ***: /usr/bin/php-
Jul 17 10:57:51 server php-cgi: *** stack smashing detected ***: /usr/bin/php-
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