Bug 1166460

Description of problem:

ns-slapd 1.2.11 / RHDS 9.1 crash:

with stack trace similar to
https://fedorahosted.org/389/ticket/47659

will likely provide a hotfix, this bug report is for a backport request in 1.2.11


messages:         Nov 20 14:30:43 somehost kernel: ns-slapd[9933]: segfault at 0 ip 00007fa012731a76 sp 00007f9fa57fa308 error 4 in libnss3.so[7fa0126dd000+136000]
messages-20141026:Oct 20 23:20:36 somehost kernel: ns-slapd[2080]: segfault at 0 ip 00007fd3ff481a76 sp 00007fd3539f7308 error 4 in libnss3.so[7fd3ff42d000+136000]
messages-20141102:Oct 26 22:41:25 somehost kernel: ns-slapd[9306]: segfault at 0 ip 00007f0f3a9d5a76 sp 00007f0eaebfc308 error 4 in libnss3.so[7f0f3a981000+136000]
messages-20141109:Nov  8 12:05:39 somehost kernel: ns-slapd[513]:  segfault at 0 ip 00007ffa2f5fba76 sp 00007ff9ca5f52f8 error 4 in libnss3.so[7ffa2f5a7000+136000]
messages-20141116:Nov 15 07:19:26 somehost kernel: ns-slapd[2623]: segfault at 0 ip 00007f7204c43a76 sp 00007f7160df92f8 error 4 in libnss3.so[7f7204bef000+136000]


Core was generated by `/usr/sbin/ns-slapd -D /etc/dirsrv/slapd-ds1 -i /var/run/dirsrv/slapd-ds1'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007fdd44dfb320 in ldbm_usn_init (li=0x7ca4f0) at ldap/servers/slapd/back-ldbm/ldbm_usn.c:83
83              slapi_log_error(SLAPI_LOG_BACKLDBM, "ldbm_usn_init",

(gdb) bt
#0  0x00007fdd44dfb320 in ldbm_usn_init (li=0x7ca4f0) at ldap/servers/slapd/back-ldbm/ldbm_usn.c:83
#1  0x00007fdd44e08a44 in ldbm_back_start (pb=<value optimized out>) at ldap/servers/slapd/back-ldbm/start.c:300
#2  0x00007fdd4e3f094a in plugin_call_func (list=0x7c9b90, operation=212, pb=0x9ba2e0, call_one=1) at ldap/servers/slapd/plugin.c:1453
#3  0x00007fdd4e3f1398 in plugin_call_one (argc=7, argv=0x7fff263f56c8, errmsg=<value optimized out>, operation=-44) at ldap/servers/slapd/plugin.c:1421
#4  plugin_dependency_startall (argc=7, argv=0x7fff263f56c8, errmsg=<value optimized out>, operation=-44) at ldap/servers/slapd/plugin.c:1210
#5  0x000000000041f4b0 in main (argc=7, argv=0x7fff263f56c8) at ldap/servers/slapd/main.c:1174
(gdb)
(gdb) list
78
79          /* Search each namingContext in turn */
80          for ( sdn = slapi_get_first_suffix( &node, 0 ); sdn != NULL;
81                sdn = slapi_get_next_suffix_ext( &node, 0 )) {
82              be = slapi_mapping_tree_find_backend_for_sdn(sdn);
83              slapi_log_error(SLAPI_LOG_BACKLDBM, "ldbm_usn_init",
84                          "backend: %s%s\n", be->be_name, isglobal?" (global mode)":"");
85              rc = usn_get_last_usn(be, &last_usn);
86              if (0 == rc) { /* only when the last usn is available */
87                  if (isglobal) {
(gdb)



Thread 1 (Thread 0x7fdd4e8727c0 (LWP 57780)):
#0  0x00007fdd44dfb320 in ldbm_usn_init (li=0x7ca4f0) at ldap/servers/slapd/back-ldbm/ldbm_usn.c:83
        sdn = <value optimized out>
        node = 0x757f80
        rc = <value optimized out>
        be = <value optimized out>
        last_usn = 0
        global_last_usn = <value optimized out>
        isglobal = 1
        isfirst = <value optimized out>



Version-Release number of selected component (if applicable):

reported and stack trace read with
389-ds-base-1.2.11.15-30.el6_5.x86_64
redhat-release-server-6Server-6.5.0.1.el6.x86_64

and
389-ds-base-1.2.11.15-34.el6_5.x86_64
redhat-release-server-6Server-6.5.0.1.el6.x86_64

likely on any 1.2.11


How reproducible:
N/A

Steps to Reproduce:
1. N/A
2.
3.

Actual results:


Expected results:


Additional info: