[Bug dynamic-link/18251] New: SONAME missing when audit modules provides path

[drepper.fsp at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=18251

            Bug ID: 18251
           Summary: SONAME missing when audit modules provides path
           Product: glibc
           Version: 2.21
            Status: NEW
          Severity: normal
          Priority: P2
         Component: dynamic-link
          Assignee: unassigned at sourceware dot org
          Reporter: drepper.fsp at gmail dot com

Created attachment 8240
  --> https://sourceware.org/bugzilla/attachment.cgi?id=8240&action=edit
patch including test case

When audit modules provide path as the return value of the la_objsearch calls
the name replaces whatever ld.so uses to find the DSO.  If the target DSO has
an SONAME this is the SONAME.  As a result the SONAME is not in the list by
which the DSO is known.  This usually is no problem.  It becomes a problem when
the SONAME is needed afterwards.  One example is checking symbol and DSO
versions.

The patch fixes the problem and contains a patch.

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