[Pkg-openldap-devel] Bug#645810: slapd dies with SIGABORT - GNUTLS problem

[Steve Langasek]

tags 645810 moreinfo unreproducible
thanks

On Tue, Oct 18, 2011 at 03:23:08PM -0400, Simon L'nu wrote:
> Package: slapd
> Version: 2.4.25-4
> Severity: grave
> Justification: renders package unusable

> this is me running slapd with no options whatever, trying to see if it'll
> run at all.

> i bet if i build it with openssl it'll build. i know the situation with
> the openssl licencing, and gnutls issues, so no need to explain it to me. 
> i just wish gnutls worked better ;).

> i've run it several times, i've pasted only the start (backtrace) for the
> second one (below this first one), just to confirm it is gnutls.

slapd runs fine here, including on i386, when I test it.  It also passed its
test suite when built on the buildds.  This may be a gnutls problem, but
it's not as simple as "running slapd with no options whatever".  In
particular, your list of mapped modules includes a large number of slapd
plugins which are not loaded by default.  So to debug this, we're going to
need to see a slapd config that can be used to reproduce it.

If anything, I suspect the recent patch to change ltdl behavior to be
responsible.  This was meant to fix bug #327585, but it affects the loading
of all modules, not just back_perl.  Could you try rebuilding slapd with
debian/patches/switch-to-lt_dlopenadvise-to-get-RTLD_GLOBAL-set.diff
commented out of debian/patches/series, to see if that fixes the problem for
you?

BTW, do you really have five different database backends configured on this
server...?

<snip>
> b6478000-b649a000 r-xp 00000000 fe:03 2930061    /usr/lib/ldap/back_ldap-2.4.so.2.7.0
> b649a000-b649b000 r--p 00021000 fe:03 2930061    /usr/lib/ldap/back_ldap-2.4.so.2.7.0
> b649b000-b649c000 rw-p 00022000 fe:03 2930061    /usr/lib/ldap/back_ldap-2.4.so.2.7.0
> b649c000-b649d000 rw-p 00000000 00:00 0
> b649d000-b64b6000 r-xp 00000000 fe:03 2930113    /usr/lib/ldap/back_monitor-2.4.so.2.7.0
> b64b6000-b64b7000 r--p 00018000 fe:03 2930113    /usr/lib/ldap/back_monitor-2.4.so.2.7.0
> b64b7000-b64b8000 rw-p 00019000 fe:03 2930113    /usr/lib/ldap/back_monitor-2.4.so.2.7.0
> b64b8000-b64bc000 rw-p 00000000 00:00 0
> b64bc000-b64bf000 r-xp 00000000 fe:03 2894477    /usr/lib/ldap/back_dnssrv-2.4.so.2.7.0
> b64bf000-b64c0000 r--p 00002000 fe:03 2894477    /usr/lib/ldap/back_dnssrv-2.4.so.2.7.0
> b64c0000-b64c1000 rw-p 00003000 fe:03 2894477    /usr/lib/ldap/back_dnssrv-2.4.so.2.7.0
> b64c1000-b64f0000 r-xp 00000000 fe:03 2902287    /usr/lib/ldap/back_hdb-2.4.so.2.7.0
> b64f0000-b64f1000 r--p 0002e000 fe:03 2902287    /usr/lib/ldap/back_hdb-2.4.so.2.7.0
> b64f1000-b64f2000 rw-p 0002f000 fe:03 2902287    /usr/lib/ldap/back_hdb-2.4.so.2.7.0
> b64f2000-b64fe000 rw-p 00000000 00:00 0
> b64fe000-b652b000 r-xp 00000000 fe:03 2930103    /usr/lib/ldap/back_bdb-2.4.so.2.7.0
> b652b000-b652c000 r--p 0002d000 fe:03 2930103    /usr/lib/ldap/back_bdb-2.4.so.2.7.0
> b652c000-b652d000 rw-p 0002e000 fe:03 2930103    /usr/lib/ldap/back_bdb-2.4.so.2.7.0
> b652d000-b6539000 rw-p 00000000 00:00 0
<snip>

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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