[php-maint] Bug#577784: Bug#577784: segfault with php5-cgi

[sean finney]

hi martin,

On Wed, Apr 14, 2010 at 04:45:23PM +0200, Martin Sebald wrote:
> I experienced a lot of segfaults in syslog with php5-cgi 5.3.2-1, like
> these error messages:
> 
> > Apr 14 16:24:12 oberon kernel: [144632.380067] php5-cgi[7051]: segfault at 13 ip 082fbb77 sp bfe25a30 error 4 in php5-cgi[8048000+6a7000]
> > Apr 14 16:24:15 oberon kernel: [144635.466329] php5-cgi[7077]: segfault at 13 ip 082fbb77 sp bf94cc10 error 4 in php5-cgi[8048000+6a7000]
> > Apr 14 16:24:19 oberon kernel: [144639.580919] php5-cgi[7080]: segfault at 1afeaee7 ip 0830d955 sp bf969e00 error 4 in php5-cgi[8048000+6a7000]
> > Apr 14 16:24:21 oberon kernel: [144641.764088] php5-cgi[7084]: segfault at 2f72f103 ip 0830d955 sp bf9cddf0 error 4 in php5-cgi[8048000+6a7000]
> 
> When this happened, I also experienced Apache 500 errors in the browser.
> 
> I downgraded to 5.3.1-5, until now everything looks good.
> 
> System is i386 running on linux-image-2.6.32-3-686-bigmem version 2.6.32-9,
> php5-cgi is running on Apache2 via libapache2-mod-fcgid.
> 
> If you need any further information just tell me.

the following types of information would be helpful:

 * what requests are generating the segfaults (you should be able to
   trace the 500 errors to the URL's in question)
 * code to reproduce the problem if possible
 * a backtrace to show where the error is coming from (install the
   php5-dbg package, get the cgi to dump core when it segfaults, and do a bt)
 * a list of installed/activated php5 extensions and their versions.



	sean

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