[Date Prev][Date Next] [Chronological] [Thread] [Top]
Re: (ITS#5565) slapd crashes due to SIGPIPE

To: openldap-its@OpenLDAP.org
Subject: Re: (ITS#5565) slapd crashes due to SIGPIPE
From: hyc@symas.com
Date: Fri, 20 Jun 2008 20:37:31 GMT
John Morrissey wrote:
> On Tue, Jun 17, 2008 at 03:44:39PM -0700, Howard Chu wrote:
>>> We had been running 2.3.41 plus the fix for ITS 5469, but upgraded to
>>> RE23 as of about a week ago to make sure a fix wasn't already present.
>>> Below is a representative backtrace.
>> This trace is not indicative of a crash. You have to tell gdb not to stop
>> when SIGPIPE is received in order to get an accurate view of the program
>> behavior: "handle SIGPIPE nostop"
>
> Ach, I didn't consider that gdb would be stopping on these signals on its
> own. New backtrace is below.
>
> BTW, how does one retitle a Jitterbug bug? I didn't see a way to
> authenticate to the web interface; does Jitterbug accept e-mail commands to
> manipulate bugs?

Only OpenLDAP engineering team members can authenticate. We don't re-title bug 
reports.

> Program received signal SIGABRT, Aborted.
> [Switching to Thread -1963996240 (LWP 22635)]
> 0xb7bb1947 in raise () from /lib/tls/libc.so.6

This trace resembles ITS#5401, which was only fixed in RE24. You can look at 
the patch to syncprov.c there. There's no plan to make another 2.3 release at 
the moment.

> Thread 12 (Thread -1963996240 (LWP 22635)):
> #0  0xb7bb1947 in raise () from /lib/tls/libc.so.6
> No symbol table info available.
> #1  0xb7bb30c9 in abort () from /lib/tls/libc.so.6
> No symbol table info available.
> #2  0xb7bab05f in __assert_fail () from /lib/tls/libc.so.6
> No symbol table info available.
> #3  0x0806bba2 in connection_state_closing (c=0x90342f48) at /var/jwm/ldap/openldap2.3-2.3.42-cvs-20080612/servers/slapd/connection.c:765
>          state =<value optimized out>
>          __PRETTY_FUNCTION__ = "connection_state_closing"
> #4  0x0807bc34 in send_ldap_ber (conn=0x90342f48, ber=0x8aefbdac) at /var/jwm/ldap/openldap2.3-2.3.42-cvs-20080612/servers/slapd/result.c:162
>          err = 6
>          sd = 135491153
>          bytes =<value optimized out>
> #5  0x0807dd19 in slap_send_search_entry (op=0x8aefbf20, rs=0x8aefc1cc) at /var/jwm/ldap/openldap2.3-2.3.42-cvs-20080612/servers/slapd/result.c:1137
>          a_flags = 0x1<Address 0x1 out of bounds>
>          berbuf = {buffer = "\002\000\001\000\000\000\000\000ÿÿÿÿ\000\000\000\000\000\000\000\000$Ñ\237\212\232Ñ\237\212Rá\237\212\000\000\000\000\000\000\000\000\210À\"\b\000\000\000\000\210À\"\b\000\000\000\000Ì\rò·\030\000\000\000Ì\rò·\000\000\000\000xÂï\212\030¾ï\212ÜÀñ·\r\000\000\000\210À\"\b\000\000\000\000ÔÉñ·\f\000\000\000xÂï\2128¾ï\212ðÅñ·\fÀ\237\212h¾ï\212\f\000\000\000t¾ï\212\001\000\000\000 ¿ï\212È¾ï\212\231t\f\bh¾ï\212\f\000\000\000\001\000\000\000xÂï\212\210À\"\bl¾ï\212h¾ï\212\206µñ·\001\000\000\000\000\000\000\000csn=,rid=001"..., ialign = 65538, lalign = 65538, falign = 9.18382988e-41, dalign = 3.2380074297143616e-319, palign = 0x10002<Address 0x10002 out of bounds>}
>          ber = (BerElement *) 0x8aefbdac
>          a = (Attribute *) 0x6
>          i = 1
>          j =<value optimized out>
>          rc =<value optimized out>
>          edn = 0x94abb97 "reqStart=20080604231418.000048Z,cn=log"
>          userattrs = 1
>          acl_state = {as_recorded = 0, as_vd_acl = 0x0, as_vi_acl = 0x0, as_vd_acl_mask = 0, as_vd_acl_matches = {{rm_so = 0, rm_eo = 0}<repeats 100 times>}, as_vd_acl_count = 0, as_vd_access = 0x0, as_vd_access_count = 0, as_result = 0, as_vd_ad = 0x0}
>          attrsonly = 0
>          ad_entry = (AttributeDescription *) 0x814ad90
>          e_flags = (char **) 0x0
> #6  0xb79c3eaa in syncprov_qtask (ctx=0x8aefc2c8, arg=0x856d058) at /var/jwm/ldap/openldap2.3-2.3.42-cvs-20080612/servers/slapd/overlays/syncprov.c:798
>          so = (syncops *) 0x856d088
>          on = (slap_overinst *) 0x819da60
>          opbuf = {buffer = "ð¿ï\212c\000\000\000i¥YH\000\000\000\000ÌÀï\212\006\000\000\000\201D\207\006\000\000\000\210D\207\002\000\000\000\000\000\000\000ÿÿÿÿÿÿÿÿ\\Ø\031\b\000\000\000\000\204C\207¸\201¬\207.\000\000\000\217D\207", '\0'<repeats 12 times>, "\001", '\0'<repeats 39 times>, "LÀï\212\200", '\0'<repeats 11 times>, "\025\000\000\000kD\207\025\000\000\000kD\207", '\0'<repeats 48 times>, "\001\000\000\000&\000\000\000H/4\220\002\000\000\000\003\000\000\000\000\000\000\000ÈÂï\212\210À\"\bP»\023\bconn=38 op=1", '\0'<repeats 171 times>, ialign = -1963999248, lalign = -1963999248, falign = -2.30870617e-32, dalign = 2.1122923453963239e-312, palign = 0x8aefbff0 "\001"}
>          op = (Operation *) 0x8aefbf20
>          be = {bd_info = 0x819d960, be_ctrls = "\000\001\001\001\000\000\001\000\001\000\001\001\001\000\001", '\0'<repeats 17 times>, "\001", be_flags = 256, 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 = 0x819d728, be_nsuffix = 0x819d740, be_schemadn = {bv_len = 0, bv_val = 0x0}, be_schemandn = {bv_len = 0, bv_val = 0x0}, be_rootdn = {bv_len = 14, bv_val = 0x819d5e0 "cn=root,cn=log"}, be_rootndn = {bv_len = 14, bv_val = 0x819d7c8 "cn=root,cn=log"}, be_rootpw = {bv_len = 0, bv_val = 0x0}, 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 = 0x819d7b8, be_acl = 0x818c9e8, be_dfltaccess = ACL_READ, be_replica = 0x0, be_replogfile = 0x0, be_update_ndn =
 {bv_len = 0, bv_val = 0x0}, be_update_refs = 0x0, be_pending_csn_list = 0x8217320, be_pcl_mutex = {__m_reserved = 0, __m_count = 0, __m_owner = 0x0, __m_kind = 0, __m_lock = {__status = 0, __spinlock = 0}}, be_pcl_mutexp = 0x819d440, be_syncinfo = 0x0, be_pb = 0x0, be_cf_ocs = 0xb79f5660, be_private = 0x819d478, be_next = {stqe_next = 0x819dc98}}
>          rc =<value optimized out>
> #7  0xb7f2deff in ldap_int_thread_pool_wrapper (xpool=0x814d358) at /var/jwm/ldap/openldap2.3-2.3.42-cvs-20080612/libraries/libldap_r/tpool.c:478
>          ctx = (ldap_int_thread_ctx_t *) 0x8d66c548
>          ltc_key = {{ltk_key = 0x80b73c0, ltk_data = 0x822c088, ltk_free = 0x80b6f10<slap_sl_mem_destroy>}, {ltk_key = 0x8218160, ltk_data = 0xbb, ltk_free = 0xb79ee2e0<bdb_locker_id_free>}, {ltk_key = 0xb79e1800, ltk_data = 0x861fd008, ltk_free = 0xb79e18d0<search_stack_free>}, {ltk_key = 0x8217638, ltk_data = 0x3a, ltk_free = 0xb79ee2e0<bdb_locker_id_free>}, {ltk_key = 0x0, ltk_data = 0x0, ltk_free = 0}<repeats 28 times>}
>          tid = 2330971056
>          i = 756
>          hash =<value optimized out>
> #8  0xb7cc00bd in start_thread () from /lib/tls/libpthread.so.0
> No symbol table info available.
> #9  0xb7c5501e in clone () from /lib/tls/libc.so.6
> No symbol table info available.

-- 
   -- Howard Chu
   CTO, Symas Corp.           http://www.symas.com
   Director, Highland Sun     http://highlandsun.com/hyc/
   Chief Architect, OpenLDAP  http://www.openldap.org/project/
Prev by Date: Re: (ITS#5572) Append global ACL to new backends
Next by Date: Re: (ITS#5572) Append global ACL to new backends
Index(es):
- Chronological
- Thread