Re: [gentoo-hardened] Apache2 segfaults

[Jeronimo Zucco]

atoth@××××××××××.hu wrote:
> Apache: 2.2.8
> PHP: 5.2.6
> Suhosin: 0.9.23
> Eaccelerator: 0.9.5.1 (apache2 contentcache disassembler inode session
> -debug -sharedmem)
> Apps: squirrelmail, tikiwiki...
>
> pax.log: no messages.
> kern.log:
> "May  2 21:28:09 localhost grsec: From 62.165.243.164: signal 11 sent to
> /usr/sbin/apache2[apache2:12343] uid/euid:81/81 gid/egid:81/81, parent
> /usr/sbin/apache2[apache2:5035] uid/euid:0/0 gid/egid:0/0
> May  2 21:28:09 localhost apache2[12351]: segfault at 0000000b eip
> 4b931a47 esp 5c8bf040 error 4
> May  2 21:28:09 localhost grsec: From 62.165.243.164: signal 11 sent to
> /usr/sbin/apache2[apache2:12351] uid/euid:81/81 gid/egid:81/81, parent
> /usr/sbin/apache2[apache2:5035] uid/euid:0/0 gid/egid:0/0
> May  2 21:28:09 localhost apache2[5119]: segfault at 0000000b eip 4b931a47
> esp 5c8beff0 error 4
> May  2 21:28:09 localhost grsec: From 62.165.243.164: signal 11 sent to
> /usr/sbin/apache2[apache2:5119] uid/euid:81/81 gid/egid:81/81, parent
> /usr/sbin/apache2[apache2:5035] uid/euid:0/0 gid/egid:0/0
> May  2 21:28:09 localhost apache2[17861]: segfault at 0000000b eip
> 4b931a47 esp 5c8bf040 error 4"
>
> The setup seems to work quite well despite the error messages after
> restarting apache following a php version bump.
> Has anyone experienced error logs like this?
>
> Regards,
> Dw.
>

Try to debug with:

strace ./httpd -X -D FOREGROUND


    I have this kind of problems running apache + modpython beacause a
conflict in expat library versions, I don't know if is the same case:

http://www.dscpl.com.au/wiki/ModPython/Articles/ExpatCausingApacheCrash

-- 
Jeronimo Zucco
LPIC-1 Linux Professional Institute Certified
Núcleo de Processamento de Dados
Universidade de Caxias do Sul

http://jczucco.blogspot.com

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