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[Bug libc/9832] LD_POINTER_GUARD does not fully work
- From: "drepper at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 15 Mar 2009 20:47:28 -0000
- Subject: [Bug libc/9832] LD_POINTER_GUARD does not fully work
- References: <20090209231713.9832.tromey@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From drepper at redhat dot com 2009-03-15 20:47 -------
There is nothing that can be realistically done. Pointer encryption is
performed in meant to be possible in performance critical situations. There the
additional test to see whether the envvar is set is too expensive.
The effect of the envvar is that no formula is needed to decode the pointers.
No randomness involved. Just always shift the pointers.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |WONTFIX
http://sourceware.org/bugzilla/show_bug.cgi?id=9832
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