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(ITS#7639) test062-config-delete intermittently succeeds



Full_Name: Raymond S Brand
Version: 60720f5d9cdc19092d0aad6b0a94e196e5525d1c
OS: Debian Wheezy amd64
URL: 
Submission from: (NULL) (50.88.155.14)


When run with the bdb, hdb, and mdb backends, test062-config-delete
intermittently succeeds but more often than not it fails. It is the only test
that has failed in my testing.


Test system, a VirtualBox instance:
   Linux LDAP 3.2.0-4-amd64 #1 SMP Debian 3.2.46-1 x86_64 GNU/Linux
   2 VCPUs; 1.5GB

VirtualBox host system:
   Linux LDAP 3.2.0-4-amd64 #1 SMP Debian 3.2.46-1 x86_64 GNU/Linux
   2 CPUs (Core 2 Duo); 8GB

Both O/S's are current with respect to Debian updates.


Build options:
../../configure --prefix=/tmp/ol --enable-perl --enable-overlays --enable-bdb


When run with full logging, the last line of the server log file appeared to be
corrupted.


This is a sample run:

XXXX$ ./run -b mdb test062-config-delete
Cleaning up test run directory leftover from previous run.
Running ../../../tests/scripts/test062-config-delete for mdb...
running defines.sh
Starting slapd on TCP/IP port 9011...
/home/internet/Projects/OpenLDAP/openldap/BUILD/t2/tests
Using ldapsearch to check that slapd is running...
Waiting 5 seconds for slapd to start...
Inserting syncprov overlay ...
Starting a refreshAndPersist search in background
Removing syncprov overlay again ...
Waiting 2 seconds for RefreshAndPersist search to end ...
Checking return code of backgrounded RefreshAndPersist search ...
Exit code correct.
Running a refreshOnly search, should fail...
ldapsearch should have failed with Critical extension is unavailable (12)!
../../../tests/scripts/test062-config-delete: 164: kill: No such process

XXXX$


The following is the output from valgrind for the above run. Valgrind was used
specifically to aid in creating this bug report; it is not part of my normal
testing of this software.


==2454== Memcheck, a memory error detector
==2454== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
==2454== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
==2454== Command: /home/internet/Projects/OpenLDAP/openldap/BUILD/t2/tests/../servers/slapd/slapd
-s0 -F ./slapd.d -h ldap://localhost:9011/ -d 0x4105
==2454== Parent PID: 2442
==2454== 
==2454== Thread 4:
==2454== Invalid read of size 8
==2454==    at 0x45006E: send_ldap_response (result.c:704)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x5572BB: syncprov_db_close (syncprov.c:3178)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==  Address 0xa23cc80 is 0 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 8
==2454==    at 0x450072: send_ldap_response (result.c:704)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x5572BB: syncprov_db_close (syncprov.c:3178)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==  Address 0xa23ce30 is 432 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 8
==2454==    at 0x45007F: send_ldap_response (result.c:705)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x5572BB: syncprov_db_close (syncprov.c:3178)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==  Address 0xa23cc80 is 0 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 8
==2454==    at 0x450083: send_ldap_response (result.c:705)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x5572BB: syncprov_db_close (syncprov.c:3178)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==  Address 0xa23ce30 is 432 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 8
==2454==    at 0x44FD85: send_ldap_response (result.c:716)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x5572BB: syncprov_db_close (syncprov.c:3178)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==  Address 0xa23cdb8 is 312 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 8
==2454==    at 0x450B28: slap_send_ldap_result (result.c:845)
==2454==    by 0x5572BB: syncprov_db_close (syncprov.c:3178)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==    by 0x4407E2: connection_operation (connection.c:1155)
==2454==  Address 0xa23cc88 is 8 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 8
==2454==    at 0x450CD1: slap_send_ldap_result (result.c:846)
==2454==    by 0x5572BB: syncprov_db_close (syncprov.c:3178)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==    by 0x4407E2: connection_operation (connection.c:1155)
==2454==  Address 0xa23cc80 is 0 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 1
==2454==    at 0x7FA4CBA: vfprintf (vfprintf.c:1623)
==2454==    by 0x7FCB6A1: vsnprintf (vsnprintf.c:120)
==2454==    by 0x59D492: lutil_debug (debug.c:67)
==2454==    by 0x450D03: slap_send_ldap_result (result.c:846)
==2454==    by 0x5572BB: syncprov_db_close (syncprov.c:3178)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==  Address 0xa23ce38 is 440 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 1
==2454==    at 0x7FD4480: _IO_default_xsputn (genops.c:480)
==2454==    by 0x7FA4B82: vfprintf (vfprintf.c:1623)
==2454==    by 0x7FCB6A1: vsnprintf (vsnprintf.c:120)
==2454==    by 0x59D492: lutil_debug (debug.c:67)
==2454==    by 0x450D03: slap_send_ldap_result (result.c:846)
==2454==    by 0x5572BB: syncprov_db_close (syncprov.c:3178)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==  Address 0xa23ce38 is 440 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 1
==2454==    at 0x7FD4492: _IO_default_xsputn (genops.c:479)
==2454==    by 0x7FA4B82: vfprintf (vfprintf.c:1623)
==2454==    by 0x7FCB6A1: vsnprintf (vsnprintf.c:120)
==2454==    by 0x59D492: lutil_debug (debug.c:67)
==2454==    by 0x450D03: slap_send_ldap_result (result.c:846)
==2454==    by 0x5572BB: syncprov_db_close (syncprov.c:3178)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==  Address 0xa23ce3a is 442 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 8
==2454==    at 0x5572BC: syncprov_db_close (syncprov.c:3179)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==    by 0x4407E2: connection_operation (connection.c:1155)
==2454==    by 0x440C1D: connection_read_thread (connection.c:1291)
==2454==  Address 0xa23cbc0 is 0 bytes inside a block of size 128 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 1
==2454==    at 0x555F78: syncprov_drop_psearch (syncprov.c:1099)
==2454==    by 0x5572C8: syncprov_db_close (syncprov.c:3180)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==    by 0x4407E2: connection_operation (connection.c:1155)
==2454==  Address 0xa23cc00 is 64 bytes inside a block of size 128 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 8
==2454==    at 0x555F86: syncprov_drop_psearch (syncprov.c:1102)
==2454==    by 0x5572C8: syncprov_db_close (syncprov.c:3180)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==    by 0x4407E2: connection_operation (connection.c:1155)
==2454==  Address 0xa23cbe0 is 32 bytes inside a block of size 128 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 8
==2454==    at 0x555F8A: syncprov_drop_psearch (syncprov.c:1102)
==2454==    by 0x5572C8: syncprov_db_close (syncprov.c:3180)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==    by 0x4407E2: connection_operation (connection.c:1155)
==2454==  Address 0xa23cc80 is 0 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 8
==2454==    at 0x555F8D: syncprov_drop_psearch (syncprov.c:1102)
==2454==    by 0x5572C8: syncprov_db_close (syncprov.c:3180)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==    by 0x4407E2: connection_operation (connection.c:1155)
==2454==  Address 0xa23ce00 is 384 bytes inside a block of size 758 free'd
==2454==    at 0x4C27D4E: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2454==    by 0x555F5B: syncprov_free_syncop (syncprov.c:814)
==2454==    by 0x555FE5: syncprov_drop_psearch (syncprov.c:1109)
==2454==    by 0x556141: syncprov_op_abandon (syncprov.c:1158)
==2454==    by 0x45E0A6: fe_op_abandon (abandon.c:136)
==2454==    by 0x43EBFB: connection_abandon (connection.c:747)
==2454==    by 0x4403B8: connection_closing (connection.c:820)
==2454==    by 0x440EBA: connection_read_thread (connection.c:1476)
==2454==    by 0x573917: ldap_int_thread_pool_wrapper (tpool.c:688)
==2454==    by 0x59BFB4F: start_thread (pthread_create.c:304)
==2454==    by 0x8039A7C: clone (clone.S:112)
==2454== 
==2454== Invalid read of size 8
==2454==    at 0x555FBB: syncprov_drop_psearch (syncprov.c:1104)
==2454==    by 0x5572C8: syncprov_db_close (syncprov.c:3180)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==    by 0x4407E2: connection_operation (connection.c:1155)
==2454==  Address 0x168 is not stack'd, malloc'd or (recently) free'd
==2454== 
==2454== 
==2454== Process terminating with default action of signal 11 (SIGSEGV)
==2454==  Access not within mapped region at address 0x168
==2454==    at 0x555FBB: syncprov_drop_psearch (syncprov.c:1104)
==2454==    by 0x5572C8: syncprov_db_close (syncprov.c:3180)
==2454==    by 0x4A6B5A: overlay_remove_cb (backover.c:1189)
==2454==    by 0x44F93A: slap_cleanup_play (result.c:525)
==2454==    by 0x44FD99: send_ldap_response (result.c:717)
==2454==    by 0x4508E5: slap_send_ldap_result (result.c:844)
==2454==    by 0x42F7C4: config_back_delete (bconfig.c:6481)
==2454==    by 0x4A75F2: overlay_op_walk (backover.c:691)
==2454==    by 0x4A7734: over_op_func (backover.c:743)
==2454==    by 0x45931F: fe_op_delete (delete.c:174)
==2454==    by 0x45904C: do_delete (delete.c:95)
==2454==    by 0x4407E2: connection_operation (connection.c:1155)
==2454==  If you believe this happened as a result of a stack
==2454==  overflow in your program's main thread (unlikely but
==2454==  possible), you can try to increase the size of the
==2454==  main thread stack using the --main-stacksize= flag.
==2454==  The main thread stack size used in this run was 8388608.
==2454== 
==2454== HEAP SUMMARY:
==2454==     in use at exit: 6,002,487 bytes in 13,317 blocks
==2454==   total heap usage: 22,504 allocs, 9,187 frees, 8,818,779 bytes
allocated
==2454== 
==2454== LEAK SUMMARY:
==2454==    definitely lost: 0 bytes in 0 blocks
==2454==    indirectly lost: 0 bytes in 0 blocks
==2454==      possibly lost: 1,152 bytes in 4 blocks
==2454==    still reachable: 6,001,335 bytes in 13,313 blocks
==2454==         suppressed: 0 bytes in 0 blocks
==2454== Rerun with --leak-check=full to see details of leaked memory
==2454== 
==2454== For counts of detected and suppressed errors, rerun with: -v
==2454== ERROR SUMMARY: 42 errors from 16 contexts (suppressed: 31 from 9)
~
~