RE: slapd segmentation fault on startup no core (ITS#2345)

[daryl@dunbar.com]

Backtrace...

Thanks,
DwD

[root gdb-5.3]# gdb
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conditions.
Type "show copying" to see the conditions.
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This GDB was configured as "i586-pc-linux-gnu".
(gdb) file /usr/local/libexec/slapd
Reading symbols from /usr/local/libexec/slapd...(no debugging symbols
found)...
done.
(gdb) run
Starting program: /home/local/libexec/slapd
[New Thread 1024 (runnable)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1024 (runnable)]
0x08118eb7 in __ham_pgin ()
(gdb) backtrace
#0  0x08118eb7 in __ham_pgin ()
#1  0x40241830 in __memp_pg (dbmfp=0x8173398, bhp=0x81811f8, is_pgin=1)
    at mp/mp_bh.c:489
#2  0x402412e1 in __memp_pgread (dbmfp=0x8173398, bhp=0x81811f8,
can_create=0)
    at mp/mp_bh.c:213
#3  0x40241f08 in memp_fget (dbmfp=0x8173398, pgnoaddr=0xbfffb570, flags=1,
    addrp=0x81733d0) at mp/mp_fget.c:302
#4  0x40237ff4 in __ham_get_page (dbp=0x81731f8, addr=0, pagep=0x81733d0)
    at hash/hash_page.c:1523
#5  0x402303cd in __ham_open (dbp=0x81731f8, dbinfo=0x0) at hash/hash.c:140
#6  0x40225b3b in __nss_db_open (fname=0x40021bc0 "/etc/sasldb",
type=DB_HASH,
    flags=65536, mode=432, dbenv=0x0, dbinfo=0x0, dbpp=0xbfffb92c)
    at db/db.c:649
#7  0x40020e1a in berkeleydb_open (conn=0x0, rdwr=0, mbdb=0xbfffb92c)
    at db_berkeley.c:83
#8  0x40021031 in getsecret (context=0x0, mechanism=0x402590e9 "CRAM-MD5",
    auth_identity=0x4025913d "", realm=0x4025913d "", secret=0xbfffb9ac)
    at db_berkeley.c:191
#9  0x40258597 in mechanism_db_filled (mech_name=0x402590e9 "CRAM-MD5",
    utils=0x8173af0) at cram.c:593
#10 0x402588cf in sasl_server_plug_init (utils=0x8173af0, maxversion=3,
    out_version=0xbfffba2c, pluglist=0xbfffba30, plugcount=0xbfffba34)
    at cram.c:815
#11 0x4001d533 in add_plugin (p=0x4025887c, library=0x8174400) at
server.c:446
#12 0x4002004e in _sasl_get_mech_list (
    entryname=0x40021a1e "sasl_server_plug_init", getpath_cb=0x40022d44,
    verifyfile_cb=0x40022d50, add_plugin=0x4001d500 <add_plugin>)
    at dlopen.c:265
#13 0x4001d995 in sasl_server_init (callbacks=0x81630c8,
    appname=0x814284c "slapd") at server.c:675
#14 0x0808459f in strcpy () at ../sysdeps/generic/strcpy.c:30
#15 0x080740b3 in strcpy () at ../sysdeps/generic/strcpy.c:30
#16 0x0805451f in strcpy () at ../sysdeps/generic/strcpy.c:30
#17 0x401369cb in __libc_start_main (main=0x8054184 <strcpy+296>, argc=1,
    argv=0xbffffbb4, init=0x805344c <_init>, fini=0x812ea40 <_fini>,
    rtld_fini=0x4000aea0 <_dl_fini>, stack_end=0xbffffbac)
    at ../sysdeps/generic/libc-start.c:92
(gdb)...



-----Original Message-----
From: Pierangelo Masarati [mailto:openldap-its@OpenLDAP.org]
Sent: Monday, March 03, 2003 3:59 PM
To: daryl@dunbar.com
Subject: Re: slapd segmentation fault on startup no core (ITS#2345)


> Full_Name: Daryl W. Dunbar
> Version: 2.1.14
> OS: Linux 2.2 on Sun/Cobalt RaQ
> URL: ftp://ftp.openldap.org/incoming/
> Submission from: (NULL) (12.141.96.109)
>
>
> I have compiled OpenLDAP 2.1.14 on my Linux RaQ along with BDB-1.4.

BDB-1.4 sounds impossible.

> When
> attempting to run it or perform make test, this is all I get (no core is
> produced):
>
> [root /etc]# /usr/local/libexec/slapd -4 -d 255
> @(#) $OpenLDAP: slapd 2.1.14 (Mon Mar  3 13:40:14 CST 2003) $
>         root@ns1.dunbar.com:/home/local/src/openldap-2.1.14/servers/slapd
> daemon_init: <null>
> daemon_init: listen on ldap:///
> daemon_init: 1 listeners to open...
> ldap_url_parse_ext(ldap:///)
> daemon: initialized ldap:///
> daemon_init: 1 listeners opened
> slapd init: initiated server.
> Segmentation fault
> [root /etc]#

you should send a stack backtrace to allow debugging.

p.