[Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory

["fweimer at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=22238

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |fweimer at redhat dot com
              Flags|                            |security-

--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
decompose_rpath has this:

  fillin_rpath (copy, result, ":", 0, what, where, l);

  /* Free the copied RPATH string.  `fillin_rpath' make own copies if
     necessary.  */
  free (copy);

Other callers of fillin_rpath also have local allocations that they need to
free.

So we can throw from from fillin_rpath without introducing a memory leak.  I
expect it will be easier to make fillin_rpath to return an error code than to
change the callers to catch and reraise the exception.

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