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RE: (ITS#3490) glue overlay causes segfault

To: openldap-its@OpenLDAP.org
Subject: RE: (ITS#3490) glue overlay causes segfault
From: Kevin.Spicer@bmrb.co.uk
Date: Sun, 16 Jan 2005 12:24:07 GMT
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Okay, no problem.=0D

I've done a little more investigation and it seems to be related to the=0D
fact that I am also using the ppolicy module.  Certainly when I comment=0D
out the policy bits in the slapd.conf the segfault goes away.=0D

I compiled with =0D
./configure  --prefix=3D/usr/local --enable-bdb --enable-ldbm=0D
--enable-crypt --with-threads --with-tls --without-kerberos=0D
--enable-wrappers --enable-modules -enable-ppolicy=3Dmod=0D

A simplified version of my slapd.conf is attached (I've remove the=0D
sensitive info, acls and stuff relating to a local schema we added).=0D

If you need anything else, just ask!=0D

Thanks=0D

Kevin=0D

-----Original Message-----=0D
From: Howard Chu [mailto:hyc@symas.com] =0D
Sent: 16 January 2005 03:27=0D
To: Spicer, Kevin (MBLEA it)=0D
Cc: openldap-its@OpenLDAP.org=0D
Subject: Re: (ITS#3490) glue overlay causes segfault=0D

More information about your configuration is needed. Alternatively, if =0D
you can recreate the crash using test011 or test012, that would help. At=0D

the moment I cannot reproduce this crash.=0D

kevins@bmrb.co.uk wrote:=0D

>Full_Name: Kevin Spicer=0D
>Version: 2.3.0alpha=0D
>OS: Solaris 9=0D
>URL: =0D
>Submission from: (NULL) (213.152.53.60)=0D
>=0D
>=0D
>slapd segfaults when a bind fails due to an incorrect password if the=0D
glue=0D
>overlay is in use....=0D
>=0D
>I can replicate this by running slapd and attempting to bind (using=0D
ldapsearch)=0D
>as a real user [not rootdn] with an incorrect password.=0D
>=0D
>Output from gdb follows...=0D
>=0D
>(gdb) run -u ldap -g ldap -h "ldap:// ldaps://" -d0=0D
>Starting program:=0D
/usr/share/src/openldap-2.3.0alpha/servers/slapd/slapd -u ldap=0D
>-g ldap -h "ldap:// ldaps://" -d0=0D
>[New LWP 1]=0D
>[New LWP 2]=0D
>[New LWP 3]=0D
>=0D
>Program received signal SIGSEGV, Segmentation fault.=0D
>[Switching to LWP 3]=0D
>dnIsSuffix (dn=3D0x15228, suffix=3D0x12800004) at dn.c:1317=0D
>1317            int     d =3D dn->bv_len - suffix->bv_len;=0D
>(gdb) bt=0D
>#0  dnIsSuffix (dn=3D0x15228, suffix=3D0x12800004) at dn.c:1317=0D
>#1  0x000ce2cc in glue_back_select (be=3D0xfdbffad8, dn=3D0xfdbff6c8) at=
=0D
glue.c:75=0D
>#2  0x000ce56c in glue_op_func (op=3D0x1b6b30, rs=3D0xfdbff6c8) at=0D
glue.c:175=0D
>=0D
>=0D
>  =0D
>=0D


-- =0D
  -- Howard Chu=0D
  Chief Architect, Symas Corp.       Director, Highland Sun=0D
  http://www.symas.com               http://highlandsun.com/hyc=0D
  Symas: Premier OpenSource Development and Support=0D




BMRB International=20
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+44 (0)20 8566 5000
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