Date: Thu, 14 Sep 2006 19:30:32 GMT From: Kris Kennaway <kris@obsecurity.org> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/103271: crash inside dlclose() on shared library unload Message-ID: <200609141930.k8EJUWM9065098@freefall.freebsd.org>
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The following reply was made to PR misc/103271; it has been noted by GNATS. From: Kris Kennaway <kris@obsecurity.org> To: Stefan Esser <sesser@hardened-php.net> Cc: freebsd-gnats-submit@FreeBSD.org Subject: Re: misc/103271: crash inside dlclose() on shared library unload Date: Thu, 14 Sep 2006 15:25:10 -0400 --mxv5cy4qt+RJ9ypb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 14, 2006 at 04:11:17PM +0000, Stefan Esser wrote: > There seems to be a problem in dlclose() > When the shared library from security/php-suhosin is loaded AFTER pspell.= so from lang/php5-extensions apache won't start because it will dlclose() s= uhosin.so and crash inside _fini of suhosin. >=20 > This only happens when suhosin.so is loaded AFTER pspell.so. This only ha= ppens on FreeBSD (not on linux) and it seems that only pspell.so is affecte= d. Because of this I suspect that this combination triggers a bug inside th= e dynamic linker. >=20 >=20 > >How-To-Repeat: > Install lang/php5 > Install lang/php5-extension (only pspell extension) > Install security/php-suhosin > >Fix: > Load suhosin.so before pspell.so inside /usr/local/etc/php/extensions.ini Can you try to obtain a traceback with debugging symbols? Kris --mxv5cy4qt+RJ9ypb Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFCayVWry0BWjoQKURAja0AJ9dUs954Kl6OR+UdGcrxg7VfAG0DgCgxLQL eltEWBmoIWmMILxb9HuFcKQ= =szdE -----END PGP SIGNATURE----- --mxv5cy4qt+RJ9ypb--
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