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[Bug 62068] New: apreq_hook_find_param Invinite loop


https://bz.apache.org/bugzilla/show_bug.cgi?id=62068

            Bug ID: 62068
           Summary: apreq_hook_find_param Invinite loop
           Product: Apache httpd-2
           Version: 2.2.22
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libapreq2
          Assignee: bugs@xxxxxxxxxxxxxxxx
          Reporter: mk@xxxxxxxxxx
  Target Milestone: ---

Created attachment 35713
  --> https://bz.apache.org/bugzilla/attachment.cgi?id=35713&action=edit
GDB Output and sample request

Hi List,

we're having a problem with the libapreq (libapreq2-2.13). Sometimes HTTP
requests are resulting in a segfault of our apache:

[Wed Jan 31 11:51:26 2018] [notice] child pid 7417 exit signal Segmentation
faul
t (11)

We've generated a core dump (please see attached gdboutput) and traced it back
to
the apreq_hook_find_param function. It looks like the hook pointer sometimes
gets 
corrupted and points to itself, resulting in a segfault.

I've also attached the (anonymized) request which results in the segfault.

Please contact me if you need further information.

Thank you and best regards
Martin

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