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From Torsten Förtsch <>
Subject Re: segfault in httpd 2.3.11-beta
Date Fri, 15 Apr 2011 12:33:32 GMT
On Thursday, April 14, 2011 19:55:30 Torsten Förtsch wrote:
> Httpd segfaults if its startup is aborted 
> because the DYNAMIC_MODULE_LIMIT is hit.

Here is a better cure.

To trigger the bug the attached config.nice can be used. It compiles all 
modules as shared and sets DYNAMIC_MODULE_LIMIT=10.

An attempt to start the httpd with the default config will show a message like 
"Module "mod_authz_owner.c" could not be loaded, because the dynamic module 
limit was reached. Please increase DYNAMIC_MODULE_LIMIT and recompile." and 
then segfault.

With the patch ap_add_module() first checks for all possible errors and starts 
to change global data structures only if all is well.

Torsten Förtsch

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