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Seg. fault with meta backend (ITS#1953)
Full_Name: Xavier Redon
Version: 2.1.3
OS: Linux
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (193.48.57.37)
When trying the following backend configuration
database meta
suffix "o=eudil,c=fr"
uri "ldap://ldap.eudil.fr/ou=People,o=eudil,c=fr"
uri "ldap://ldap.eudil.fr/ou=Group,o=eudil,c=fr"
uri "ldap://ldap.eudil.fr/ou=Register,o=eudil,c=fr"
lastmod off
and the request :
ldapsearch -x -h douaisis.eudil.fr -b "o=eudil,c=fr" "cn=rex"
a segmentation fault occurs. Seems to be a memory allocation bug.
An example of the seg. fault under gdb:
#0 0x400ae4e7 in malloc () from /lib/libc.so.6
#1 0x400ae074 in malloc () from /lib/libc.so.6
#2 0x400a7152 in open_memstream () from /lib/libc.so.6
#3 0x4010c8ce in vsyslog () from /lib/libc.so.6
#4 0x4010c825 in syslog () from /lib/libc.so.6
#5 0x0805b0b0 in send_search_result (conn=0x4015db8c, op=0x80fdd40, err=1,
matched=0x80b9120 "", text=0x80b9120 "", refs=0x0, ctrls=0x0, nentries=0)
at result.c:602
#6 0x0807b936 in meta_back_search (be=0x80dccc0, conn=0x4015db8c,
op=0x80fdd40, base=0xbf5ffa28, nbase=0xbf5ffa30, scope=2, deref=0,
slimit=0, tlimit=0, filter=0x8100068, filterstr=0xbf5ffa18, attrs=0x0,
attrsonly=0) at search.c:438
#7 0x0805063d in do_search (conn=0x4015db8c, op=0x80fdd40) at search.c:320
#8 0x0804f100 in connection_operation (arg_v=0x80fddc0) at connection.c:977
#9 0x0808e05f in ldap_int_thread_pool_wrapper (xpool=0x80c6d30) at tpool.c:401
#10 0x400320ba in pthread_start_thread () from /lib/libpthread.so.0
#11 0x40032101 in pthread_start_thread_event () from /lib/libpthread.so.0
You may try to reproduce the bug using the config. above our ldap server is
public.
Xavier