Issue with nginx crashing 'segfault'

[Maxim Dounin]

Hello!

On Mon, Sep 21, 2015 at 01:32:09PM -0500, Ricardo Aravena wrote:

> Hi Folks,
> 
> I was wondering of somebody could shed some light on this issue that we are
> experiencing.
> 
> nginx[22490]: segfault at 10 ip 000000376e616a11 sp 00007ffed9493690 error
> 4 in libapr-1.so.0.3.9[376e600000+2b000]

[...]

> Basically, the nginx workers are crashing intermittently causing our
> application no server requests.  We are using nginx with mod_security and
> mod_passenger. Apparently, this may be related to mod_security but can
> somebody shed some light as to how to solve it ? Is there a fix in the
> nginx code base or mod_security code base ?

The mod_security module for nginx is known to have problems.  Try 
looking at the "nginx_refactoring" (or "nginx_refactoring_def") 
branch of mod_security, it may work for you.

-- 
Maxim Dounin
http://nginx.org/