[Modules] mod_gnutls 0.5.1 crashes Apache 2.0.58

[Nikos Mavrogiannopoulos]

Does this occur with gnutls 2.4.2? Otherwise could you send the output
of gdb with apache -X?
(or even valgrind).

On Thu, Sep 18, 2008 at 3:34 PM, David Schueler
<david.schueler at tel-billig.de> wrote:
> Hello all out there on this list.
>
> I have a problem with mod_gnutls 0.5.1 and apache 2.0.58.
> I used normal SSL on my apache before and now i want to set a different
> certificate on every vhost. So i installed mod_gnutls on my hardened
> Gentoo system using the normal "emerge" way. All compiled fine with
> gcc-3.4.6-hardened but if i enable GNUTLS the apache crashes every time
> with a segfault when a user tries to access my website, regardless if its
> a HTTP or HTTPS request. Without loading the mod_gnutls module everything
> is working well.
>
> Here is the error log from apache:
> ---8<---
> [Thu Sep 18 13:58:21 2008] [notice] suEXEC mechanism enabled (wrapper:
> /usr/sbin/suexec2)
> [Thu Sep 18 13:58:21 2008] [notice] Digest: generating secret for digest
> authentication ...
> [Thu Sep 18 13:58:21 2008] [notice] Digest: done
> [Thu Sep 18 13:58:21 2008] [notice] Apache configured -- resuming normal
> operations
> [Thu Sep 18 13:58:30 2008] [notice] child pid 13381 exit signal
> Segmentation fault (11)
> [Thu Sep 18 13:58:30 2008] [notice] child pid 13382 exit signal
> Segmentation fault (11)
> [Thu Sep 18 13:58:31 2008] [notice] child pid 13383 exit signal
> Segmentation fault (11)
> [Thu Sep 18 13:58:31 2008] [notice] child pid 13384 exit signal
> Segmentation fault (11)
> [Thu Sep 18 13:58:31 2008] [notice] child pid 13385 exit signal
> Segmentation fault (11)
> [Thu Sep 18 13:59:16 2008] [notice] child pid 13402 exit signal
> Segmentation fault (11)
> [Thu Sep 18 14:00:17 2008] [notice] child pid 13407 exit signal
> Segmentation fault (11)
> [Thu Sep 18 14:00:57 2008] [notice] caught SIGTERM, shutting down
> ---8<---
>
> Now my apache mod_gnutls.conf follows:
> ---8<---
> <IfDefine GNUTLS>
> LoadModule gnutls_module  modules/mod_gnutls.so
> Listen *:443
> GnuTLSCache dbm /var/cache/mod_gnutls/gnutls_cache
> </IfDefine>
> ---8<---
>
> and my vhost config looks like this:
> ---8<---
> # SSL/TLS Configvor vhost
> <VirtualHost 85.25.134.48:443>
> ServerName www.wapk.de
> DocumentRoot /srv/www/www.wapk.de/html
> ScriptAlias /cgi-bin/ /srv/www/www.wapk.de/html/cgi-bin/
> php_admin_value open_basedir /srv/www/www.wapk.de/:/usr/share/php
> GnuTLSEnable on
> GnuTLSCertificateFile /etc/apache2/ssl/www.wapk.de.crt
> GnuTLSKeyFile /etc/apache2/ssl/server.key
> GnuTLSPriorities NORMAL
> </VirtualHost>
> ---8<---
>
> Does someone have an idea why the apache crashes and how to solve this?
>
> Many thanks in advance!
>
> David
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