[users@httpd] Segmentation fault when builded with openssl 1.1.1

[Ja...@rb.cz]

Hi,

I have an issue with version httpd 2.4.38 when it is builded with openssl 
1.1.1 and mod_cluster
There are repeated error messages in error.log:

AH00052: child pid xxxx exit signal Segmentation fault (11)

These error messages are suppressed when mod_ssl is disabled 

Builded on Linux 3.10.0-693.1.1.el7.x86_64

httpd server builded with:

APR=apr-1.6.5.tar.gz
APR_UTIL=apr-util-1.6.1.tar.gz
HTTPD=httpd-2.4.38.tar.gz
LIBXML=libxml2-2.9.7.tar.gz
M4=m4-1.4.18.tar.gz
MOD_CLUSTER=mod_cluster-1.3.10.Final.tar.gz
MOD_SECURITY=modsecurity-2.9.2.tar.gz
NGHTTP2=nghttp2-1.36.0.tar.gz
OPENSSL=openssl-1.1.1a.tar.gz
PCRE=pcre-8.42.tar.gz

Do you have any idea what could be wrong or it is possible bug in actual 
version of httpd server? Because when i tried to build httpd 2.4.37 with 
same prerequesities with same way and also with openssl 1.1.1 there is no 
problem with this combination.

Thanks
Jan

Re: [users@httpd] Segmentation fault when builded with openssl 1.1.1

[Luca Toscano <to...@gmail.com>]

Hi!

Il giorno lun 28 gen 2019 alle ore 06:36 <Ja...@rb.cz> ha scritto:
>
> Hi,
>
> I have an issue with version httpd 2.4.38 when it is builded with openssl 1.1.1 and mod_cluster
> There are repeated error messages in error.log:
>
> AH00052: child pid xxxx exit signal Segmentation fault (11)
>
> These error messages are suppressed when mod_ssl is disabled
>
> Builded on Linux 3.10.0-693.1.1.el7.x86_64
>
> httpd server builded with:
>
> APR=apr-1.6.5.tar.gz
> APR_UTIL=apr-util-1.6.1.tar.gz
> HTTPD=httpd-2.4.38.tar.gz
> LIBXML=libxml2-2.9.7.tar.gz
> M4=m4-1.4.18.tar.gz
> MOD_CLUSTER=mod_cluster-1.3.10.Final.tar.gz
> MOD_SECURITY=modsecurity-2.9.2.tar.gz
> NGHTTP2=nghttp2-1.36.0.tar.gz
> OPENSSL=openssl-1.1.1a.tar.gz
> PCRE=pcre-8.42.tar.gz
>
> Do you have any idea what could be wrong or it is possible bug in actual version of httpd server? Because when i tried to build httpd 2.4.37 with same prerequesities with same way and also with openssl 1.1.1 there is no problem with this combination.

could you follow http://httpd.apache.org/dev/debugging.html#crashes
and report back the stacktrace of the segmentation fault? It would be
very useful to understand what module is triggering this. mod_cluster
is not part of the standard httpd distribution, so in case of issues
with it I'd suggest to follow up with them to get more info about how
to fix the issue.

Thanks!

Luca

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