[Date Prev][Date Next] [Chronological] [Thread] [Top]
Re: (ITS#6506) Use of back-perl in slapd.conf in subordinate database causes slapcat to segfault

To: openldap-its@OpenLDAP.org
Subject: Re: (ITS#6506) Use of back-perl in slapd.conf in subordinate database causes slapcat to segfault
From: mark.cave-ayland@siriusit.co.uk
Date: Tue, 6 Apr 2010 14:42:50 GMT
Auto-submitted: auto-generated (OpenLDAP-ITS)
masarati@aero.polimi.it wrote:

>> *** glibc detected *** ./sbin/slapcat: free(): invalid pointer:
> 
> ^^^ this message is not quite informative, nor is what follows below. 
> Please read <http://www.openldap.org/faq/data/cache/56.html> carefully,
> and provide the information required.
> 
> p.

Okay. I figured it was easy enough to recreate that I wouldn't need to 
build a full debug build myself, but looks like I need to do that 
anyway. Also, what is the best way to not get "strip" to be 
automatically invoked during "make install"? I ended up temporarily 
removing the binary just to get unstripped versions.


(gdb) bt full
#0  0x00007f18761dded5 in raise () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f18761df3f3 in abort () from /lib/libc.so.6
No symbol table info available.
#2  0x00007f187621a3a8 in ?? () from /lib/libc.so.6
No symbol table info available.
#3  0x00007f187621f948 in ?? () from /lib/libc.so.6
No symbol table info available.
#4  0x00007f1876221a56 in free () from /lib/libc.so.6
No symbol table info available.
#5  0x00007f1877296c52 in ber_memfree_x (p=0xa207b3, ctx=0x0) at 
memory.c:152
         __PRETTY_FUNCTION__ = "ber_memfree_x"
#6  0x000000000044f785 in ch_free (ptr=0xa207b3) at ch_malloc.c:139
         ctx = (void *) 0x0
#7  0x00000000004395e6 in entry_clean (e=0xa0bff8) at entry.c:489
         __PRETTY_FUNCTION__ = "entry_clean"
#8  0x00000000004396ab in entry_free (e=0xa0bff8) at entry.c:514
No locals.
#9  0x00000000004ae4e4 in glue_entry_release_rw (op=0x7fffe262a540, 
e=0xa0bff8, rw=0) at backglue.c:731
         b0 = (BackendDB *) 0x7fffe262a2d0
         rc = -1
#10 0x00000000004b0952 in overlay_entry_release_ov (op=0x7fffe262a540, 
e=0xa0bff8, rw=0, on=0x8997d0) at backover.c:421
         oi = (slap_overinfo *) 0x8995f0
         be = (BackendDB *) 0x89a510
         db = {bd_info = 0x8997d0, bd_self = 0x89a510, be_ctrls = 
"\000\001\001\001\000\001\000\000\001\000\000\001\001\000\001", '\0' 
<repeats 17 times>, "\001",
   be_flags = 2328, be_restrictops = 0, be_requires = 0, be_ssf_set = 
{sss_ssf = 0, sss_transport = 0, sss_tls = 0, sss_sasl = 0, 
sss_update_ssf = 0,
     sss_update_transport = 0, sss_update_tls = 0, sss_update_sasl = 0, 
sss_simple_bind = 0}, be_suffix = 0x899270, be_nsuffix = 0x8992a0, 
be_schemadn = {bv_len = 0,
     bv_val = 0x0}, be_schemandn = {bv_len = 0, bv_val = 0x0}, be_rootdn 
= {bv_len = 30, bv_val = 0x899570 "cn=Manager,dc=my-domain,dc=com"}, 
be_rootndn = {bv_len = 30,
     bv_val = 0x8995c0 "cn=manager,dc=my-domain,dc=com"}, be_rootpw = 
{bv_len = 6, bv_val = 0x8993b0 "secret"}, be_max_deref_depth = 15, 
be_def_limit = {
     lms_t_soft = 3600, lms_t_hard = 0, lms_s_soft = 500, lms_s_hard = 
0, lms_s_unchecked = -1, lms_s_pr = 0, lms_s_pr_hide = 0, lms_s_pr_total 
= 0}, be_limits = 0x0,
   be_acl = 0x0, be_dfltaccess = ACL_READ, be_update_ndn = {bv_len = 0, 
bv_val = 0x0}, be_update_refs = 0x0, be_pending_csn_list = 0x8978c0, 
be_pcl_mutex = {__data = {
       __lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, 
__spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\0' 
<repeats 39 times>,
     __align = 0}, be_syncinfo = 0x0, be_pb = 0x0, be_cf_ocs = 0x7b8c00, 
be_private = 0x898a30, be_next = {stqe_next = 0x0}}
         bi = (BackendInfo *) 0x8995f0
         rc = 32768
#11 0x00000000004b0ab2 in over_entry_release_rw (op=0x7fffe262a540, 
e=0xa0bff8, rw=0) at backover.c:463
         oi = (slap_overinfo *) 0x8995f0
         on = (slap_overinst *) 0x8997d0
         __PRETTY_FUNCTION__ = "over_entry_release_rw"
#12 0x000000000043d3cf in be_entry_release_rw (op=0x7fffe262a540, 
e=0xa0bff8, rw=0) at backend.c:880
No locals.
#13 0x00000000004b5c5b in slapcat (argc=1, argv=0x7fffe262a8e8) at 
slapcat.c:117
         data = 0xa20c50 "dn: ou=perl,dc=my-domain,dc=com\nobjectClass: 
organizationalUnit\nobjectClass: top\nou: perl\nstructuralObjectClass: 
organizationalUnit\nentryUUID: 
6438973e-d5c0-102e-9c05-81e0ba1bb1f2\ncreatorsName: cn=Man"...
         len = 388
         e = (Entry *) 0xa0bff8
         id = 3
         rc = 0
         op = {o_hdr = 0x0, o_tag = 0, o_time = 0, o_tincr = 0, o_bd = 
0x898500, o_req_dn = {bv_len = 0, bv_val = 0x0}, o_req_ndn = {bv_len = 
0, bv_val = 0x0},
   o_request = {oq_add = {rs_modlist = 0x0, rs_e = 0x0}, oq_bind = 
{rb_method = 0, rb_cred = {bv_len = 0, bv_val = 0x0}, rb_edn = {bv_len = 
0, bv_val = 0x0}, rb_ssf = 0,
       rb_mech = {bv_len = 0, bv_val = 0x0}}, oq_compare = {rs_ava = 
0x0}, oq_modify = {rs_mods = {rs_modlist = 0x0, rs_no_opattrs = 0 '\0'}, 
rs_increment = 0},
     oq_modrdn = {rs_mods = {rs_modlist = 0x0, rs_no_opattrs = 0 '\0'}, 
rs_deleteoldrdn = 0, rs_newrdn = {bv_len = 0, bv_val = 0x0}, rs_nnewrdn 
= {bv_len = 0,
         bv_val = 0x0}, rs_newSup = 0x0, rs_nnewSup = 0x0}, oq_search = 
{rs_scope = 0, rs_deref = 0, rs_slimit = 0, rs_tlimit = 0, rs_limit = 
0x0, rs_attrsonly = 0,
       rs_attrs = 0x0, rs_filter = 0x0, rs_filterstr = {bv_len = 0, 
bv_val = 0x0}}, oq_abandon = {rs_msgid = 0}, oq_cancel = {rs_msgid = 0}, 
oq_extended = {rs_reqoid = {
         bv_len = 0, bv_val = 0x0}, rs_flags = 0, rs_reqdata = 0x0}, 
oq_pwdexop = {rs_extended = {rs_reqoid = {bv_len = 0, bv_val = 0x0}, 
rs_flags = 0,
         rs_reqdata = 0x0}, rs_old = {bv_len = 0, bv_val = 0x0}, rs_new 
= {bv_len = 0, bv_val = 0x0}, rs_mods = 0x0, rs_modtail = 0x0}}, 
o_abandon = 0, o_cancel = 0,
   o_groups = 0x0, o_do_not_cache = 0 '\0', o_is_auth_check = 0 '\0', 
o_dont_replicate = 0 '\0', o_acl_priv = ACL_NONE, o_nocaching = 0 '\0',
   o_delete_glue_parent = 0 '\0', o_no_schema_check = 0 '\0', 
o_no_subordinate_glue = 0 '\0', o_ctrlflag = '\0' <repeats 31 times>, 
o_controls = 0x0, o_authz = {
     sai_method = 0, sai_mech = {bv_len = 0, bv_val = 0x0}, sai_dn = 
{bv_len = 0, bv_val = 0x0}, sai_ndn = {bv_len = 0, bv_val = 0x0}, 
sai_ssf = 0,
     sai_transport_ssf = 0, sai_tls_ssf = 0, sai_sasl_ssf = 0}, o_ber = 
0x0, o_res_ber = 0x0, o_callback = 0x0, o_ctrls = 0x0, o_csn = {bv_len = 
0, bv_val = 0x0},
   o_private = 0x0, o_extra = {slh_first = 0x0}, o_next = {stqe_next = 0x0}}
         progname = 0x55fc68 "slapcat"
#14 0x00000000004090d3 in main (argc=1, argv=0x7fffe262a8e8) at main.c:403
         i = 1
         no_detach = 0
         rc = 1
         urls = 0x0
         username = 0x0
         groupname = 0x0
         sandbox = 0x0
         syslogUser = 160
         g_argc = 1
         g_argv = (char **) 0x7fffe262a8e8
         configfile = 0x0
         configdir = 0x0
         serverName = 0x7fffe262c75e "slapcat"
         serverMode = 1
         scp = (struct sync_cookie *) 0x0
         scp_entry = (struct sync_cookie *) 0x0
         debug_unknowns = (char **) 0x0
         syslog_unknowns = (char **) 0x0
         serverNamePrefix = 0x54076b ""
         l = 4223483
         slapd_pid_file_unlink = 0
         slapd_args_file_unlink = 0
         firstopt = 1
         __PRETTY_FUNCTION__ = "main"
(gdb)


HTH,

Mark.

-- 
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
http://www.siriusit.co.uk
t: +44 870 608 0063

Sirius Labs: http://www.siriusit.co.uk/labs
Prev by Date: Re: (ITS#6506) Use of back-perl in slapd.conf in subordinate database causes slapcat to segfault
Next by Date: Re: (ITS#6506) Use of back-perl in slapd.conf in subordinate database causes slapcat to segfault
Index(es):
- Chronological
- Thread