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Date:      Mon, 30 Nov 2009 22:49:17 -0800
From:      Rudy Rucker <rudy@monkeybrains.net>
To:        freebsd-security@freebsd.org
Cc:        cperciva@freebsd.org
Subject:   rtld.patch -- effects on running system.
Message-ID:  <4B14BC6D.4020309@monkeybrains.net>
In-Reply-To: <20091130215403.GA94638@thought.org>
References:  <1259283983.92302.23.camel@neo.cse.buffalo.edu>	<20091127030601.CAB2C1CC0E@ptavv.es.net>	<20091127055757.GA75657@thought.org>	<20091127083304.GA8618@slackbox.xs4all.nl>	<20091129193018.GA87743@thought.org>	<20091129194728.00007891@unknown> <20091130215403.GA94638@thought.org>

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Regarding patch here:
 http://lists.freebsd.org/pipermail/freebsd-security/2009-December/005369.html


I am trying to patch running systems and find some interesting behavior...

This Process:
 
cd /usr/src/libexec/rtld-elf/
fetch http://people.freebsd.org/~cperciva/rtld.patch
patch < rtld.patch
make
make install
ls -l /libexec/ld-elf.so.1

Causes lots of things to freeze up or crash (example: apache / mysql). 
Restarting those services gets them back online.  :)
For example: /usr/local/etc/rc.d/mysql restart


Now, how do I go about updating /libexec/ld-elf32.so.1  (I am on an
amd64 box, FreeBSD 7.x)?

Rudy





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