Re: [389-users] continuously segfault: 389ds 1.2.10.2 - 1.el6

[Rich Megginson <rmeggins@xxxxxxxxxx>]

On 03/05/2012 07:52 AM, Roberto Polli wrote:
> Hi Mark,
>
> Mark Reynolds<mareynol@xxxxxxxxxx>
> > We actually just fixed this on Friday via Ticket 305.  Rich would know
> > more about the next release that would contain this fix.
> This is it https://fedorahosted.org/389/ticket/305
> The stuff is cos-related, and I saw the patch.
>
> The "guilty" lines are moved... Can I just apply that patch or do I have to
> checkout the whole new tree?
If you already have the source for 1.2.10.2 you can just apply that 
patch.  I'm planning a 1.2.10.3 release which will have that patch and a 
couple of others.
> Peace,
> R.
>
> > Regards,
> > Mark
> >
> > On 03/05/2012 09:18 AM, Roberto Polli wrote:
> > > Hi Rich | everybody,
> > >
> > > We just experience a continuous segfault (each 20mins).
> > >
> > > This is the interesting part:
> > > #3 0x00007f8e635c20c6 in malloc_printerr () from /lib64/libc.so.6
> > > #4 0x00007f8e65ac8b16 in slapi_ch_free (ptr=0x7f8e28017480) at
> > > ldap/servers/slapd/ch_malloc.c:363
> > > #5 0x00007f8e5cfe7190 in cos_cache_query_attr (ptheCache=0x7f8e280178d0,
> > > context=0x0, e=0x7f8dc8016d00, type=0x7f8e28003760 "inetcos",
> > > out_attr=0x0, test_this=0x0, result=0x0,
> > >
> > > When exploring the dump, I found that:
> > >     - everything happens in cache;
> > >     - it crashes while freeing a string containing a DN;
> > >     - gdb was able to print out the given string;
> > >     - the "guilty" code strangely clones the given string, then frees the
> > >
> > > original one with slapi_ch_free();
> > >
> > > Two sample stack traces and rpm infos follow.
> > >
> > > Do you have any hint?
> > > Thx+Peace,
> > > R.
> > >
> > >
> > >
> > > = Version =
> > >
> > > rpm -qi 389-ds-base
> > > Name : 389-ds-base Relocations: (not relocatable)
> > > Version : 1.2.10.2 Vendor: (none)
> > > Release : 1.el6 Build Date: Thu 23 Feb 2012 05:13:45 PM CET
> > > Install Date: Mon 27 Feb 2012 12:17:52 PM CET Build Host: vmhost
> > > Group : System Environment/Daemons Source RPM: 389-ds-
> > > base-1.2.10.2-1.el6.src.rpm
> > > Size : 4847506 License: GPLv2 with exceptions
> > > Signature : (none)
> > > URL : http://port389.org/
> > > Summary : 389 Directory Server (base)
> > > Description :
> > > 389 Directory Server is an LDAPv3 compliant server. The base package
> > > includes the LDAP server and command line utilities for server
> > > administration.
> > >
> > >    = Trace 1 =
> > >
> > > #0 0x00007f8e6357f885 in raise () from /lib64/libc.so.6
> > > #1 0x00007f8e63581065 in abort () from /lib64/libc.so.6
> > > #2 0x00007f8e635bc7a7 in __libc_message () from /lib64/libc.so.6
> > > #3 0x00007f8e635c20c6 in malloc_printerr () from /lib64/libc.so.6
> > > #4 0x00007f8e65ac8b16 in slapi_ch_free (ptr=0x7f8e28017480) at
> > > ldap/servers/slapd/ch_malloc.c:363
> > > #5 0x00007f8e5cfe7190 in cos_cache_query_attr (ptheCache=0x7f8e280178d0,
> > > context=0x0, e=0x7f8dc8016d00, type=0x7f8e28003760 "inetcos",
> > > out_attr=0x0, test_this=0x0, result=0x0,
> > > props=0x7f8d9c3f8a5c) at ldap/servers/plugins/cos/cos_cache.c:2393
> > > #6 0x00007f8e5cfea9aa in cos_cache_vattr_types (handle=<value optimized
> > > out>, e=0x7f8dc8016d00, type_context=0x7f8d9c3f8ad0, flags=<value
> > > optimized out>) at ldap/servers/plugins/cos/cos_cache.c:2199
> > > #7 0x00007f8e65b3ad90 in slapi_vattr_list_attrs (e=0x7f8dc8016d00,
> > > types=0x7f8d9c3f8c78, flags=4, buffer_flags=0x7f8d9c3f8cbc) at
> > > ldap/servers/slapd/vattr.c:1289
> > > #8 0x00007f8e65b1fc00 in send_all_attrs (pb=0x2987dc0, e=0x7f8dc8016d00,
> > > ectrls=0x7f8dc8016cd8, attrs=0x0, attrsonly=0, send_result=0, nentries=0,
> > > urls=0x0)
> > > at ldap/servers/slapd/result.c:915
> > > #9 send_ldap_search_entry_ext (pb=0x2987dc0, e=0x7f8dc8016d00,
> > > ectrls=0x7f8dc8016cd8, attrs=0x0, attrsonly=0, send_result=0, nentries=0,
> > > urls=0x0) at ldap/servers/slapd/result.c:1362
> > > #10 0x00007f8e65b2046c in send_ldap_search_entry (pb=<value optimized
> > > out>, e=<value optimized out>, ectrls=<value optimized out>,
> > > attrs=<value optimized out>,
> > > attrsonly=<value optimized out>) at ldap/servers/slapd/result.c:814
> > > #11 0x00000000004208e2 in ps_send_results (arg=<value optimized out>) at
> > > ldap/servers/slapd/psearch.c:373
> > > #12 0x00007f8e63f516f3 in ?? () from /lib64/libnspr4.so
> > > #13 0x00007f8e638f57f1 in start_thread () from /lib64/libpthread.so.0
> > > #14 0x00007f8e6363292d in clone () from /lib64/libc.so.6
> > >
> > > = Trace 2 =
> > > #0 0x00007f8e6357f885 in raise () from /lib64/libc.so.6
> > > #1 0x00007f8e63581065 in abort () from /lib64/libc.so.6
> > > #2 0x00007f8e635bc7a7 in __libc_message () from /lib64/libc.so.6
> > > #3 0x00007f8e635c20c6 in malloc_printerr () from /lib64/libc.so.6
> > > #4 0x00007f8e65ac8b16 in slapi_ch_free (ptr=0x7f8e28017480) at
> > > ldap/servers/slapd/ch_malloc.c:363
> > > #5 0x00007f8e5cfe7190 in cos_cache_query_attr (ptheCache=0x7f8e280178d0,
> > > context=0x0, e=0x7f8dc8016d00, type=0x7f8e28003760 "inetcos",
> > > out_attr=0x0, test_this=0x0, result=0x0,
> > >
> > >    props=0x7f8d9c3f8a5c) at ldap/servers/plugins/cos/cos_cache.c:2393
> > >
> > > #6 0x00007f8e5cfea9aa in cos_cache_vattr_types (handle=<value optimized
> > > out>, e=0x7f8dc8016d00, type_context=0x7f8d9c3f8ad0, flags=<value
> > > optimized out>)
> > >
> > >    at ldap/servers/plugins/cos/cos_cache.c:2199
> > >
> > > #7 0x00007f8e65b3ad90 in slapi_vattr_list_attrs (e=0x7f8dc8016d00,
> > > types=0x7f8d9c3f8c78, flags=4, buffer_flags=0x7f8d9c3f8cbc) at
> > > ldap/servers/slapd/vattr.c:1289
> > > #8 0x00007f8e65b1fc00 in send_all_attrs (pb=0x2987dc0, e=0x7f8dc8016d00,
> > > ectrls=0x7f8dc8016cd8, attrs=0x0, attrsonly=0, send_result=0, nentries=0,
> > > urls=0x0)
> > >
> > >    at ldap/servers/slapd/result.c:915
> > >
> > > #9 send_ldap_search_entry_ext (pb=0x2987dc0, e=0x7f8dc8016d00,
> > > ectrls=0x7f8dc8016cd8, attrs=0x0, attrsonly=0, send_result=0, nentries=0,
> > > urls=0x0) at ldap/servers/slapd/result.c:1362
> > > #10 0x00007f8e65b2046c in send_ldap_search_entry (pb=<value optimized
> > > out>, e=<value optimized out>, ectrls=<value optimized out>,
> > > attrs=<value optimized out>,
> > >
> > >    attrsonly=<value optimized out>) at ldap/servers/slapd/result.c:814
> > >
> > > #11 0x00000000004208e2 in ps_send_results (arg=<value optimized out>) at
> > > ldap/servers/slapd/psearch.c:373
> > > #12 0x00007f8e63f516f3 in ?? () from /lib64/libnspr4.so
> > > #13 0x00007f8e638f57f1 in start_thread () from /lib64/libpthread.so.0
> > > #14 0x00007f8e6363292d in clone () from /lib64/libc.so.6
> > >
> > > # rpm -qi 389-ds-base
> > > Name : 389-ds-base Relocations: (not relocatable)
> > > Version : 1.2.10.2 Vendor: (none)
> > > Release : 1.el6 Build Date: Thu 23 Feb 2012 05:13:45 PM CET
> > > Install Date: Mon 27 Feb 2012 12:17:52 PM CET Build Host: vmhost
> > > Group : System Environment/Daemons Source RPM: 389-ds-
> > > base-1.2.10.2-1.el6.src.rpm
> > > Size : 4847506 License: GPLv2 with exceptions
> > > Signature : (none)
> > > URL : http://port389.org/
> > > Summary : 389 Directory Server (base)
> > > Description :
> > > 389 Directory Server is an LDAPv3 compliant server. The base package
> > > includes the LDAP server and command line utilities for server
> > > administration.

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