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[Bug 52865] New: Crash by segmentation fault in mod_authn_core in Apache-2.4.1
https://issues.apache.org/bugzilla/show_bug.cgi?id=52865

Bug #: 52865
Summary: Crash by segmentation fault in mod_authn_core in
Apache-2.4.1
Product: Apache httpd-2
Version: 2.4.1
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mod_authn_core
AssignedTo: bugs@httpd.apache.org
ReportedBy: tixu@cs.ucsd.edu
Classification: Unclassified


To replay it, set the following configuration entries in the httpd.conf:

LoadModule authn_core_module modules/mod_authn_core.so
<AuthnProviderAlias file file1>
AuthName "dfdf"
</AuthnProviderAlias>

Start server and you will see the segmentation fault.

I don't quite understand the problem.

I put some printf() in the invoke_cmd() function. It seems that the segfault
occurs when it's executing the AuthName directive. The code reaches “return
cmd->AP_TAKE1(parms, mconfig, w);” but does not reach the handler function of
the AuthName directive -- set_authname().

Please check it.

Thanks a lot!!!

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