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Bug 711241

Summary: memory leak found by reliab12
Product: Red Hat Enterprise Linux 6 Reporter: Noriko Hosoi <nhosoi>
Component: 389-ds-baseAssignee: Rich Megginson <rmeggins>
Status: CLOSED ERRATA QA Contact: Chandrasekar Kannan <ckannan>
Severity: urgent Docs Contact:
Priority: urgent    
Version: 6.1CC: amsharma, benl, dpal, jgalipea, jwest
Target Milestone: rcKeywords: ZStream
Target Release: 6.2   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: 389-ds-base-1.2.8.4-1.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 697027 Environment:
Last Closed: 2011-12-06 17:48:52 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 697027, 717073    
Bug Blocks: 714607    
Attachments:
Description Flags
git patch file (RHEL-6) rmeggins: review+

Description Noriko Hosoi 2011-06-06 23:34:53 UTC 
+++ This bug was initially created as a clone of Bug #697027 +++

Description of problem:
It turned out the leak found by reliab12 was the same as the case 6 of #697027.  This leak is a test stopper.

Created attachment 492469 [details]
git patch file (master): [Case 6]

ruvstore>
==28643== 48 bytes in 3 blocks are definitely lost in loss record 579 of 1,499
==28643==    at 0x4C23481: calloc (vg_replace_malloc.c:418)
==28643==    by 0x4E70F19: slapi_ch_calloc (ch_malloc.c:243)
==28643==    by 0x4E72AE6: csn_new (csn.c:102)
==28643==    by 0x4E72B1D: csn_new_by_string (csn.c:112)
==28643==    by 0x4E80146: str2entry_state_information_from_type (entry.c:131)
==28643==    by 0x4E8179F: str2entry_dupcheck (entry.c:786)
==28643==    by 0x4E82D4B: slapi_str2entry_ext (entry.c:1405)
==28643==    by 0xBC6146C: id2entry (id2entry.c:406)
==28643==    by 0xBC9D7C0: ldbm_back_next_search_entry_ext (ldbm_search.c:1296)
==28643==    by 0xBC9D1D7: ldbm_back_next_search_entry (ldbm_search.c:1141)
==28643==    by 0x4EB9211: iterate (opshared.c:1141)
==28643==    by 0x4EB9ACF: send_results_ext (opshared.c:1522)
==28643==    by 0x4EB8979: op_shared_search (opshared.c:733)
==28643==    by 0x42BBE4: do_search (search.c:393)
==28643==    by 0x413B76: connection_dispatch_operation (connection.c:611)
==28643==    by 0x4152BF: connection_threadmain (connection.c:2328)
==28643==    by 0x5FCD632: _pt_root (ptthread.c:187)
==28643==    by 0x61E8760: start_thread (pthread_create.c:301)
==28643==    by 0x64DD98C: clone (clone.S:115)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Bug 697027 - 6 - minor memory leaks found by Valgrind + TET
Description: Moving "csn_free(&attributedeletioncsn)" to the
free_and_return section to fix the leak.
Comment 2 Noriko Hosoi 2011-06-06 23:46:37 UTC 
More accurate stacktrace which causes the leak in reliab12 test.
#0  str2entry_state_information_from_type (s=<value optimized out>,
    csnset=0x7feb661f1620, attributedeletioncsn=0x7feb661f1628,
    maxcsn=0x7feb661f1638, value_state=0x7feb661f166c,
    attr_state=0x7feb661f1668) at ldap/servers/slapd/entry.c:131
#1  0x0000003594056805 in str2entry_dupcheck (rawdn=0x0,
    s=<value optimized out>, flags=1024, read_stateinfo=-1)
    at ldap/servers/slapd/entry.c:786
#2  0x0000003594057b8d in slapi_str2entry_ext (
    dn=0x7feb48003280 "cn=data_1770,ou=ou2 with space,o=o1",
    s=0x7feb480036a0 "rdn", flags=1024) at ldap/servers/slapd/entry.c:1401
#3  0x00007feb7a047368 in id2entry (be=0x284ef30, id=918, txn=0x0,
    err=<value optimized out>) at ldap/servers/slapd/back-ldbm/id2entry.c:406
#4  0x00007feb7a086d41 in uniqueid2entry (be=0x284ef30,
    uniqueid=<value optimized out>, txn=0x0, err=0x7feb661f58cc)
    at ldap/servers/slapd/back-ldbm/uniqueid2entry.c:86
#5  0x00007feb7a0469eb in find_entry_internal_uniqueid (pb=0x2b03860,
    be=0x284ef30, addr=<value optimized out>, lock=1, txn=0x0,
    really_internal=<value optimized out>)
    at ldap/servers/slapd/back-ldbm/findentry.c:219
#6  find_entry_internal (pb=0x2b03860, be=0x284ef30,
    addr=<value optimized out>, lock=1, txn=0x0,
    really_internal=<value optimized out>)
    at ldap/servers/slapd/back-ldbm/findentry.c:275
#7  0x00007feb7a071ddb in ldbm_back_modify (pb=0x2b03860)
    at ldap/servers/slapd/back-ldbm/ldbm_modify.c:266
#8  0x000000359407b83c in op_shared_modify (pb=<value optimized out>,
    pw_change=0, old_pw=0x0) at ldap/servers/slapd/modify.c:886
#9  0x000000359407c696 in do_modify (pb=0x2b03860)
    at ldap/servers/slapd/modify.c:384
#10 0x00000000004135e4 in connection_dispatch_operation ()
    at ldap/servers/slapd/connection.c:583
#11 connection_threadmain () at ldap/servers/slapd/connection.c:2328
#12 0x0000003e5c829633 in ?? () from /lib64/libnspr4.so
#13 0x0000003e4d8077e1 in start_thread () from /lib64/libpthread.so.0
#14 0x0000003e4d4e68ed in clone () from /lib64/libc.so.6
Comment 3 Noriko Hosoi 2011-06-06 23:59:11 UTC 
Created attachment 503349 [details]
git patch file (RHEL-6)

Description: str2entry_dupcheck (entry.c):
If attributedeletioncsn was associated with entrydn and flag
SLAPI_STR2ENTRY_NO_ENTRYDN is set, the address was not released.
This patch fixes the leak.

cherry-picked commit: 2af101b69ece052498158fd50804d843d75ef1a0
Comment 5 Noriko Hosoi 2011-06-27 22:03:14 UTC 
*** Bug 717073 has been marked as a duplicate of this bug. ***
Comment 8 Amita Sharma 2011-09-08 11:22:49 UTC 
Cloned https://bugzilla.redhat.com/show_bug.cgi?id=697027 is VERIFIED hence marking this as VERIFIED
Comment 9 errata-xmlrpc 2011-12-06 17:48:52 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHEA-2011-1711.html