Re: (ITS#5541) slapd segfaults with specific search on string bdb and hdb backend

[hyc@symas.com]

pwadas@jewish.org.pl wrote:
> Full_Name: Piotr Wadas
> Version: 2.4.7 upto 2.4.9
> OS: debian 2.6.18+ kernel
> URL:
> Submission from: (NULL) (195.95.182.4)
>
>
> The issue is discussed at
> http://www.openldap.org/lists/openldap-software/200805/msg00136.html
>
> List message contains debug information, steps to reproduce,
> backtrace logs etc.
> Issue appears since 2.4.7 in 2.4 series.

The config info you posted is missing your index configuration, which is most 
relevant here.

 From your traces, we could use a little more info as well:
frame 4
print *ava->aa_desc
print *mr
>
> gdb bt quick ref:
>
> #0  0xb7b4842c in free () from /usr/lib/i486-linux-gnu/i686/cmov/libc.so.6
> #1  0xb7e901aa in ber_memfree_x (p=0x0, ctx=0x0) at
> /home/pwadas/SRC/SLAPD/DEB249/openldap2.3-2.4.9/libraries/liblber/memory.c:152
> #2  0xb7e9019c in ber_memfree_x (p=0x0, ctx=0x0) at
> /home/pwadas/SRC/SLAPD/DEB249/openldap2.3-2.4.9/libraries/liblber/memory.c:159
> #3  0xb7e90235 in ber_bvarray_free_x (a=0xa96e3354, ctx=0x8279658) at
> /home/pwadas/SRC/SLAPD/DEB249/openldap2.3-2.4.9/libraries/liblber/memory.c:731
> #4  0xb73028e5 in bdb_filter_candidates (op=0x82792e0, locker=34, f=0xa96e325c,
> ids=0xa9062008, tmp=0xa8ee2008, stack=0xa90e2008)
>      at /home/pwadas/SRC/SLAPD/DEB249/openldap2.3-2.4.9/servers/slapd/back-bdb/filterindex.c:803


-- 
   -- Howard Chu
   CTO, Symas Corp.           http://www.symas.com
   Director, Highland Sun     http://highlandsun.com/hyc/
   Chief Architect, OpenLDAP  http://www.openldap.org/project/