https://bz.apache.org/bugzilla/show_bug.cgi?id=63098

--- Comment #4 from ha...@hboeck.de ---
(In reply to Ruediger Pluem from comment #3)
> Try running with
> 
> MaxMemFree 1
> 
> in httpd.conf instead of using pool debugging. This should give you the same
> malloc / free behaviour as with pool debugging as needed for ASAN, but uses
> the non debugging code.

Okay, so this gives some interesting new insights:

* With this "MaxMemFree 1" option set and *without* the pool debugger I now get
ASAN uaf warnings at a much faster and more reliable rate than ever before.

* I however don't get the pthread Assertion warning.

As for whether the pthread assertion warning can be reproduced without the pool
debugger: Craig confirmed to me that he was able to get that, however with a
previous version of apache. We mailed you that in a mail in June.
So for the pthread assertion it may very well be that we're facing two separate
issues here: One that is fixed in the latest version and shows up without pool
debugging and one that is not fixed, but only happens with pool debugging.

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