[389-devel] [389-users] Incremental Replication over SSL ( and startTLS) with simple bind crashes the latest version
Rich Megginson
rmeggins at redhat.com
Thu Aug 26 14:34:04 UTC 2010
Andrey Ivanov wrote:
>
>
> 2010/8/25 Rich Megginson <rmeggins at redhat.com
> <mailto:rmeggins at redhat.com>>
>
> Andrey Ivanov wrote:
>
>
>
> 2010/8/25 Rich Megginson <rmeggins at redhat.com
> <mailto:rmeggins at redhat.com> <mailto:rmeggins at redhat.com
> <mailto:rmeggins at redhat.com>>>
>
>
> Andrey Ivanov wrote:
>
> I wanted to configure the replication over SSL (both
> with SSL
> mechanism which was available in previous versions) and
> by TLS
> using
> simple bind (both in multimaster or single master-dedicated
> consumer models).
>
> I've tried to configure it with command line and with the
> console. The
> configuration and the initial initialisation are ok/
>
> But when i continue and try to make a change on a
> master the
> consumer
> server crashes. So the total replica initialisation is ok
> but even a
> single incremental update crashes the consumer
> server. And
> there is
> nothing helpful in logs. I haven't tried the 1.2.6.rc7
> version, i've
> tried the latest code version (as of today). Don't
> know if it
> matters
> (there seem to be a lot of coverity defects that have
> been fixed
> between rc7 and a1).
>
> Can you get a core file and a stack trace?
>
> Rich, just as i thought, this crash happens only with today's
> snapshot of 1.2.7.a1 version only. I've compiled 1.2.6.rc7 and
> the replication works smoothly and without any problem. I
> didn't have a lot of time to generate a stack trace because i
> was migrating our production servers. I thought the latest
> build should be stable but it seems that the changes between
> 6rc7 and 7a1 introduce some problems with incremental
> replication as well as with apostrophs in DN (my second mail).
> So for now i will migrate to 1.2.6.rc7. I'll test the a1
> version later when i will have time...
>
> Thanks for the confirmation. Yeah, the 1.2.7 (master) is unstable
> right now. There have been a lot of changes going in that haven't
> been fully tested with our test suite (we're also having to update
> the test suite).
>
>
> I wanted to make a debug build of the server to test the incremental
> replication crash i've seen yesterday and used the following commands :
> export CFLAGS="-g"
> export CXXFLAGS="-g"
> export USE_64=1
> ./configure --prefix=/Local/dirsrv --enable-debug --enable-autobind
>
> Are these parameters correct? Is there any other way to generate the
> debug info?
This is the correct way to do it.
>
> However the debug build i've obtained (from the stable 1.2.6.rc7) in
> this way crashes during its startup if i activate USN plugin with
> ldapmodify just after setup-ds-admin, then stop-start:
>
> dn: cn=USN,cn=plugins,cn=config
> changetype: modify
> replace: nsslapd-pluginEnabled
> nsslapd-pluginEnabled: on
>
>
> Non-debug build does not crash, by the way... I think it's because of
> the assertion being executed only in debug builds?
Right. This is a bogus assertion in the slapi_mods code - it should not
assert freemods != 0 if using slapi_mods via passin and passout. This
will be fixed very soon.
Noriko just committed a fix for the repl crashing issue.
>
>
> Here is the stack trace :
>
> [root at ldap-model Admin]# gdb /Local/dirsrv/sbin/ns-slapd
> GNU gdb (GDB) Red Hat Enterprise Linux (7.0.1-23.el5_5.2)
> Copyright (C) 2009 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law. Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "x86_64-redhat-linux-gnu".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from /Local/dirsrv/sbin/ns-slapd...done.
> (gdb) set follow-fork-mode child
> (gdb) set arg -D /Local/dirsrv/etc/dirsrv/slapd-dmz -i
> /Local/dirsrv/var/run/dirsrv/slapd-dmz.pid -w
> /Local/dirsrv/var/run/dirsrv/slapd-dmz.startpid
> (gdb) run
> Starting program: /Local/dirsrv/sbin/ns-slapd -D
> /Local/dirsrv/etc/dirsrv/slapd-dmz -i
> /Local/dirsrv/var/run/dirsrv/slapd-dmz.pid -w
> /Local/dirsrv/var/run/dirsrv/slapd-dmz.startpid
> [Thread debugging using libthread_db enabled]
> [New process 32401]
> [Thread debugging using libthread_db enabled]
> [New Thread 0x40a00940 (LWP 32402)]
> [New Thread 0x41401940 (LWP 32403)]
> [New Thread 0x41e02940 (LWP 32404)]
> [New Thread 0x42803940 (LWP 32405)]
> [New Thread 0x43204940 (LWP 32406)]
> [New Thread 0x43c05940 (LWP 32407)]
> [New Thread 0x44606940 (LWP 32408)]
> [New Thread 0x45007940 (LWP 32409)]
> [New Thread 0x45a08940 (LWP 32410)]
>
> Program received signal SIGABRT, Aborted.
> [Switching to Thread 0x2aaaabee5e00 (LWP 32401)]
> 0x000000389d430265 in raise () from /lib64/libc.so.6
> (gdb) bt
> #0 0x000000389d430265 in raise () from /lib64/libc.so.6
> #1 0x000000389d431d10 in abort () from /lib64/libc.so.6
> #2 0x00002aaaab21d61c in PR_Assert () from /usr/lib64/libnspr4.so
> #3 0x00002aaaaab33655 in slapi_mods_add_one_element
> (smods=0x7fffffff9ee0) at ldap/servers/slapd/modutil.c:178
> #4 0x00002aaaaab336de in slapi_mods_insert_at (smods=0x7fffffff9ee0,
> mod=0xacc100, pos=3) at ldap/servers/slapd/modutil.c:196
> #5 0x00002aaaaab33974 in slapi_mods_add_ldapmod
> (smods=0x7fffffff9ee0, mod=0xacc100) at ldap/servers/slapd/modutil.c:270
> #6 0x00002aaaaab33aa2 in slapi_mods_add_modbvps
> (smods=0x7fffffff9ee0, modtype=130, type=0x2aaab1af998c "entryusn",
> bvps=0x7fffffff9ed0) at ldap/servers/slapd/modutil.c:309
> #7 0x00002aaab1af84f4 in _usn_mod_next_usn (mods=0x7fffffff9f30,
> be=0x909900) at ldap/servers/plugins/usn/usn.c:378
> #8 0x00002aaab1af8773 in usn_bepreop_modify (pb=0x7fffffffe3f0) at
> ldap/servers/plugins/usn/usn.c:478
> #9 0x00002aaaaab41194 in plugin_call_func (list=0x7ce1c0,
> operation=451, pb=0x7fffffffe3f0, call_one=0) at
> ldap/servers/slapd/plugin.c:1424
> #10 0x00002aaaaab41075 in plugin_call_list (list=0x7a5660,
> operation=451, pb=0x7fffffffe3f0) at ldap/servers/slapd/plugin.c:1386
> #11 0x00002aaaaab3f586 in plugin_call_plugins (pb=0x7fffffffe3f0,
> whichfunction=451) at ldap/servers/slapd/plugin.c:379
> #12 0x00002aaaafab9b73 in ldbm_back_modify (pb=0x7fffffffe3f0) at
> ldap/servers/slapd/back-ldbm/ldbm_modify.c:300
> #13 0x00002aaaaab312b4 in op_shared_modify (pb=0x7fffffffe3f0,
> pw_change=0, old_pw=0x0) at ldap/servers/slapd/modify.c:834
> #14 0x00002aaaaab3090f in modify_internal_pb (pb=0x7fffffffe3f0) at
> ldap/servers/slapd/modify.c:554
> #15 0x00002aaaaab305f9 in slapi_modify_internal_pb (pb=0x7fffffffe3f0)
> at ldap/servers/slapd/modify.c:443
> #16 0x00002aaaaab4b917 in pw_mod_allowchange_aci
> (pw_prohibit_change=0) at ldap/servers/slapd/pw.c:1297
> #17 0x0000000000427195 in pw_init () at ldap/servers/slapd/pw_mgmt.c:301
> #18 0x000000000041e514 in main (argc=7, argv=0x7fffffffe8d8) at
> ldap/servers/slapd/main.c:1218
>
>
>
> (gdb) bt full
> #0 0x000000389d430265 in raise () from /lib64/libc.so.6
> No symbol table info available.
> #1 0x000000389d431d10 in abort () from /lib64/libc.so.6
> No symbol table info available.
> #2 0x00002aaaab21d61c in PR_Assert () from /usr/lib64/libnspr4.so
> No symbol table info available.
> #3 0x00002aaaaab33655 in slapi_mods_add_one_element
> (smods=0x7fffffff9ee0) at ldap/servers/slapd/modutil.c:178
> need = 5
> #4 0x00002aaaaab336de in slapi_mods_insert_at (smods=0x7fffffff9ee0,
> mod=0xacc100, pos=3) at ldap/servers/slapd/modutil.c:196
> i = -24896
> a = {a_type = 0x0, a_present_values = {va = 0x0}, a_flags = 0,
> a_plugin = 0x0, a_deleted_values = {va = 0x0}, a_listtofree = 0x0,
> a_next = 0x0, a_deletioncsn = 0x0, a_mr_eq_plugin = 0x0,
> a_mr_ord_plugin = 0x0, a_mr_sub_plugin = 0x0}
> #5 0x00002aaaaab33974 in slapi_mods_add_ldapmod
> (smods=0x7fffffff9ee0, mod=0xacc100) at ldap/servers/slapd/modutil.c:270
> No locals.
> #6 0x00002aaaaab33aa2 in slapi_mods_add_modbvps
> (smods=0x7fffffff9ee0, modtype=130, type=0x2aaab1af998c "entryusn",
> bvps=0x7fffffff9ed0) at ldap/servers/slapd/modutil.c:309
> mod = 0xacc100
> #7 0x00002aaab1af84f4 in _usn_mod_next_usn (mods=0x7fffffff9f30,
> be=0x909900) at ldap/servers/plugins/usn/usn.c:378
> smods = {mods = 0xadbd90, num_elements = 4, num_mods = 3,
> iterator = 0, free_mods = 0}
> bvals = {0x7fffffff9ec0, 0x0}
> usn_berval = {bv_len = 1, bv_val = 0x7fffffff9e80 "0"}
> counter_buf =
> "0\000\377\377\377\177\000\000f0\264\252\252*\000\000\000\237\377\377\377\177\000\000\300\001\000\000\001\000\000\000
> \266\254\000\000\000\000\000\360\343\377\377\377\177\000\000\000\237\377\377\303\001\000\000\300\341|\000\000\000\000"
> #8 0x00002aaab1af8773 in usn_bepreop_modify (pb=0x7fffffffe3f0) at
> ldap/servers/plugins/usn/usn.c:478
> mods = 0xadbd90
> be = 0x909900
> rc = 0
> #9 0x00002aaaaab41194 in plugin_call_func (list=0x7ce1c0,
> operation=451, pb=0x7fffffffe3f0, call_one=0) at
> ldap/servers/slapd/plugin.c:1424
> n = 0x7cbfb0 "USN bepreoperation plugin"
> func = 0x2aaab1af86f0 <usn_bepreop_modify>
> rc = 0
> return_value = 0
> count = 1
> #10 0x00002aaaaab41075 in plugin_call_list (list=0x7a5660,
> operation=451, pb=0x7fffffffe3f0) at ldap/servers/slapd/plugin.c:1386
> No locals.
> #11 0x00002aaaaab3f586 in plugin_call_plugins (pb=0x7fffffffe3f0,
> whichfunction=451) at ldap/servers/slapd/plugin.c:379
> p = 0x792340
> plugin_list_number = 3
> rc = 0
> do_op = 1
> #12 0x00002aaaafab9b73 in ldbm_back_modify (pb=0x7fffffffe3f0) at
> ldap/servers/slapd/back-ldbm/ldbm_modify.c:300
> be = 0x909900
> inst = 0x9069c0
> li = 0x793140
> e = 0x7678d0
> ec = 0xb11470
> postentry = 0x0
> mods = 0xadbd90
> smods = {mods = 0x0, num_elements = 0, num_mods = 0, iterator
> = 0, free_mods = 0}
> txn = {back_txn_txn = 0x0}
> parent_txn = 0x0
> retval = -1
> msg = 0xd700acf4c0 <Address 0xd700acf4c0 out of bounds>
> ---Type <return> to continue, or q <return> to quit---
> errbuf = 0x0
> retry_count = 0
> disk_full = 0
> ldap_result_code = 0
> ldap_result_message = 0x0
> rc = 0
> operation = 0xad7a00
> dblock_acquired = 1
> addr = 0xad7ac8
> change_entry = 0
> ec_in_cache = 0
> is_fixup_operation = 0
> is_ruv = 0
> opcsn = 0x0
> i = 0
> #13 0x00002aaaaab312b4 in op_shared_modify (pb=0x7fffffffe3f0,
> pw_change=0, old_pw=0x0) at ldap/servers/slapd/modify.c:834
> rc = -1
> be = 0x909900
> pse = 0x2aaaaaafcc7d
> referral = 0x0
> ecopy = 0x0
> e = 0x0
> ebuf =
> "\300\302\377\377\377\177\000\000L:\257\252\252*\000\000\320zz\000\000\000\000\000\000\303\377\377\377\177\000\000\340\345\377\377\377\177\000\000*+\264\252\252*\000\000\000\000\000\000\000\000\000\000\300FB",
> '\000' <repeats 13 times>"\220,
> \263v\000\000\000\000\000\016\000\000\000\000\000\000\000\022\252t",
> '\000' <repeats 13 times>,
> "$\220\000\235\001\000\000\000p\257Я\252*\000\000\220*y", '\000'
> <repeats 13 times>"\377, \377\377\377", '\000' <repeats 12 times>,
> "(8\357\235\070", '\000' <repeats 11 times>"\360,
> b\220\000\000\000\000\000\020\304\377\377\377\177\000\000\340\310\377\377\377\177\000\000\000`\020\022r*\000\000U\315\000\235\070\000\000\000\005",
> '\000' <repeats 31 times>,
> "p\257Я\252*\000\000\300\310\377\377\377\177\000\000\260\006\221\000\000\000\000\000\342(\001\235\070\000\000\000\330\226د\252*\000\000\260\006\221",
> '\000' <repeats 13 times>,
> "\020\304\377\377\377\177\000\000\360b\220\000\000\000\000\000\300"...
> dn = 0x90e980 "o=netscaperoot"
> sdn = {flag = 4 '\004', dn = 0x90e980 "o=netscaperoot", ndn =
> 0x766af0 "o=netscaperoot", ndn_len = 14}
> mods = 0x86d920
> pw_mod = 0x7fffffffe310
> tmpmods = 0x86d920
> smods = {mods = 0x0, num_elements = 0, num_mods = 0, iterator
> = 0, free_mods = 0}
> unhashed_pw_smod = {mods = 0x0, num_elements = 0, num_mods =
> 0, iterator = 0, free_mods = 1}
> repl_op = 0
> internal_op = 32
> lastmod = 1
> skip_modified_attrs = 0
> unhashed_pw_attr = 0x0
> operation = 0xad7a00
> errorbuf =
> "\000\372N\261\252*\000\000Ȣ\377\377\016\000\000\000\000\000\000\000\001\000\000\000\360\r}\000\000\000\000\000\234dž\000\000\000\000\000\026\264I\260\377\377\377\377`\242\377\377\377\177\000\000\325\067\267\252\252*\000\000Ȣ\377\377\377\177\000\000Ȣ\377\377\000\000\000\000p\242\377\377\001\000\000\000\b\275\255\000\000\000\000\000\340\242\377\377\377\177\000\000p\274\255\000\000\000\000\000\000\000\000\000\377\177",
> '\000' <repeats 18 times>,
> "k'G\235\070\000\000\000\000\000\000\000e\000\000\000n\000\000\000\377\377\377\377\000\243\377\377\377\177\000\000e\324N\261\252*\000\000\060\251\254\000\000\000\000\000\b\275\255\000\000\000\000\000@\243\377\377\377\177\000\000p\274\255\000\000\000\000\000\320\350\377\377\377\177\000\000\b\275\255\000\000\000\000\000`\243\377\377\377\177\000\000p\274\255\000\000\000\000\000\320\350\377\377\377\177",
> '\000' <repeats 18 times>,
> "k'G\235\070\000\000\000P\215y\000\b\002\000\000\b\275\255\000\000\000\000\000\000\000\000\000\001\000\000\000L:\257\252\252*\000\000\060\340t"...
> err = 0
> lc_mod = 0x0
> p = 0x0
> numattr = 11334848
> i = 0
> #14 0x00002aaaaab3090f in modify_internal_pb (pb=0x7fffffffe3f0) at
> ldap/servers/slapd/modify.c:554
> ---Type <return> to continue, or q <return> to quit---
> controls = 0x0
> pwpolicy_ctrl = 0
> op = 0xad7a00
> opresult = 0
> normalized_mods = 0x86d920
> mods = 0x7fffffffe670
> mod = 0x86d928
> smods = {mods = 0x100acf4c0, num_elements = -7184, num_mods =
> 32767, iterator = -7184, free_mods = 32767}
> pw_change = 0
> old_pw = 0x0
> #15 0x00002aaaaab305f9 in slapi_modify_internal_pb (pb=0x7fffffffe3f0)
> at ldap/servers/slapd/modify.c:443
> No locals.
> #16 0x00002aaaaab4b917 in pw_mod_allowchange_aci
> (pw_prohibit_change=0) at ldap/servers/slapd/pw.c:1297
> pb = {pb_backend = 0x909900, pb_conn = 0x0, pb_op = 0xad7a00,
> pb_plugin = 0x7ce1c0, pb_opreturn = 0, pb_object = 0x0, pb_destroy_fn
> = 0, pb_requestor_isroot = 1, pb_config_fname = 0x0,
> pb_config_lineno = 0, pb_config_argc = 0, pb_config_argv =
> 0x0, pb_target_entry = 0x0, pb_existing_dn_entry = 0xadc210,
> pb_existing_uniqueid_entry = 0x0, pb_parent_entry = 0x0,
> pb_newparent_entry = 0x0, pb_pre_op_entry = 0xadbed0,
> pb_post_op_entry = 0x0, pb_seq_type = 0, pb_seq_attrname = 0x0,
> pb_seq_val = 0x0, pb_ldif_file = 0x0, pb_removedupvals = 0,
> pb_db2index_attrs = 0x0, pb_ldif2db_noattrindexes = 0,
> pb_ldif_printkey = 0, pb_instance_name = 0x0, pb_task = 0x0,
> pb_task_flags = 0, pb_mr_filter_match_fn = 0, pb_mr_filter_index_fn = 0,
> pb_mr_filter_reset_fn = 0, pb_mr_index_fn = 0, pb_mr_oid =
> 0x0, pb_mr_type = 0x0, pb_mr_value = 0x0, pb_mr_values = 0x0,
> pb_mr_keys = 0x0, pb_mr_filter_reusable = 0,
> pb_mr_query_operator = 0, pb_mr_usage = 0,
> pb_pwd_storage_scheme_user_passwd = 0x0,
> pb_pwd_storage_scheme_db_passwd = 0x0, pb_managedsait = 0,
> pb_internal_op_result = 0,
> pb_plugin_internal_search_op_entries = 0x0,
> pb_plugin_internal_search_op_referrals = 0x0, pb_plugin_identity =
> 0xacf4c0, pb_parent_txn = 0x0, pb_txn = 0x0, pb_dbsize = 0,
> pb_ldif_files = 0x0, pb_ldif_include = 0x0, pb_ldif_exclude
> = 0x0, pb_ldif_dump_replica = 0, pb_ldif_dump_uniqueid = 0,
> pb_ldif_generate_uniqueid = 0, pb_ldif_namespaceid = 0x0,
> pb_ldif_encrypt = 0, pb_operation_notes = 0, pb_slapd_argc =
> 0, pb_slapd_argv = 0x0, pb_slapd_configdir = 0x0, pb_ctrls_arg = 0x0,
> pb_dse_dont_add_write = 0, pb_dse_add_merge = 0,
> pb_dse_dont_check_dups = 0, pb_dse_is_primary_file = 0,
> pb_schema_flags = 0, pb_result_code = 0, pb_result_text = 0x0,
> pb_result_matched = 0x0, pb_nentries = 0, urls = 0x0,
> pb_import_entry = 0x0, pb_import_state = 0,
> pb_destroy_content = 0, pb_dse_reapply_mods = 0,
> pb_urp_naming_collision_dn = 0x0, pb_urp_tombstone_uniqueid = 0x0,
> pb_server_running = 0,
> pb_backend_count = 1, pb_pwpolicy_ctrl = 0, pb_vattr_context
> = 0x0, pb_substrlens = 0x0, pb_plugin_enabled = 0, pb_search_ctrls =
> 0x0, pb_mr_index_sv_fn = 0}
> rc = 32
> base = 0x90feb0
> values_mod = {0x2aaaaab8f898 "(targetattr = \"userPassword\")
> ( version 3.0; acl \"disallow_pw_change_aci\"; deny (write ) userdn =
> \"ldap:///self\";)", 0x0}
> mod = {mod_op = 1, mod_type = 0x2aaaaab8f88d "aci", mod_vals =
> {modv_strvals = 0x7fffffffe6a0, modv_bvals = 0x7fffffffe6a0}}
> mods = {0x7fffffffe680, 0x0}
> be = 0x909900
> cookie = 0xacf830 "\004"
> #17 0x0000000000427195 in pw_init () at ldap/servers/slapd/pw_mgmt.c:301
> slapdFrontendConfig = 0x2aaaaadbcc00
> #18 0x000000000041e514 in main (argc=7, argv=0x7fffffffe8d8) at
> ldap/servers/slapd/main.c:1218
> return_value = 0
> slapdFrontendConfig = 0x2aaaaadbcc00
> ports_info = {n_port = 389, s_port = 636, n_listenaddr =
> 0x753590, s_listenaddr = 0x74f9a0, n_socket = 0x751610, i_listenaddr =
> 0x0, i_port = 0, i_socket = 0x0, s_socket = 0x0}
>
>
>
>
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