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(ITS#8690) syncprov memory leak
Full_Name: Quanah Gibson-Mount
Version: 2.4.45
OS: Linux
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (47.208.148.239)
Setting up a 2-node MMR pair, using standard syncrepl in refreshAndPersist mode,
shows there is a steady leak in syncprov on the master receiving write traffic.
Output from mleak:
Memory leaks (498370 total):
Leak, blocks, size: 0x7f2910103d80,933,280319 ber_memalloc_x
(memory.c:228)
stack: libgcc_s.so.1 : ?? (<unknown_file>:0)
libgcc_s.so.1 : ?? (<unknown_file>:0)
slapd : slap_response_play (result.c:521)
slapd : send_ldap_response (result.c:596)
slapd : slap_send_ldap_result (result.c:891)
libgcc_s.so.1 : ?? (<unknown_file>:0)
slapd : overlay_op_walk (backover.c:677)
slapd : over_op_func (backover.c:730)
slapd : over_op_delete (backover.c:788)
slapd : fe_op_delete (delete.c:176)
slapd : do_delete (delete.c:95)
slapd : connection_operation (connection.c:1158)
slapd : connection_read_thread (connection.c:1294)
libldap_r-2.4.so.2 : ldap_int_thread_pool_wrapper (tpool.c:965)
libpthread.so.0 : start_thread (??:0)
libc.so.6 : ?? (<unknown_file>:0)
Leak, blocks, size: 0x7f29101015b0,671,201605 ber_memalloc_x
(memory.c:228)
stack: libgcc_s.so.1 : ?? (<unknown_file>:0)
libgcc_s.so.1 : ?? (<unknown_file>:0)
slapd : slap_response_play (result.c:521)
slapd : send_ldap_response (result.c:596)
slapd : slap_send_ldap_result (result.c:891)
libgcc_s.so.1 : ?? (<unknown_file>:0)
slapd : overlay_op_walk (backover.c:677)
slapd : over_op_func (backover.c:730)
slapd : over_op_delete (backover.c:788)
slapd : fe_op_delete (delete.c:176)
slapd : do_delete (delete.c:95)
slapd : connection_operation (connection.c:1158)
libldap_r-2.4.so.2 : ldap_int_thread_pool_wrapper (tpool.c:965)
libpthread.so.0 : start_thread (??:0)
libc.so.6 : ?? (<unknown_file>:0)
Leak, blocks, size: 0xd648a0,1,1560 realloc (mleak.c:293)
stack: libc.so.6 : ?? (<unknown_file>:0)
slapd : slap_get_listener_addresses (daemon.c:1179)
slapd : slap_open_listener (daemon.c:1362)
slapd : slapd_daemon_init (daemon.c:1682)
slapd : main (main.c:740)
libc.so.6 : ?? (<unknown_file>:0)
slapd : _start (??:0)
Output from valgrind:
==3926== 79,998 bytes in 266 blocks are definitely lost in loss record 20 of 21
==3926== at 0x4C2DB8F: malloc (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==3926== by 0x50A8BA5: ber_memalloc_x
(/home/build/git/sold-2445/openldap/libraries/liblber/memory.c:228)
==3926== by 0x464AC8: ch_malloc
(/home/build/git/sold-2445/openldap/servers/slapd/ch_malloc.c:54)
==3926== by 0x962B7D1: ???
==3926== by 0x962F1B4: ???
==3926== by 0x454267: slap_response_play
(/home/build/git/sold-2445/openldap/servers/slapd/result.c:521)
==3926== by 0x4544DA: send_ldap_response
(/home/build/git/sold-2445/openldap/servers/slapd/result.c:596)
==3926== by 0x455549: slap_send_ldap_result
(/home/build/git/sold-2445/openldap/servers/slapd/result.c:891)
==3926== by 0x984BBEF: ???
==3926== by 0x4D9A4B: overlay_op_walk
(/home/build/git/sold-2445/openldap/servers/slapd/backover.c:677)
==3926== by 0x4D9C9D: over_op_func
(/home/build/git/sold-2445/openldap/servers/slapd/backover.c:730)
==3926== by 0x4D9E7E: over_op_delete
(/home/build/git/sold-2445/openldap/servers/slapd/backover.c:787)
==3926== by 0x46243F: fe_op_delete
(/home/build/git/sold-2445/openldap/servers/slapd/delete.c:174)
==3926== by 0x462077: do_delete
(/home/build/git/sold-2445/openldap/servers/slapd/delete.c:95)
==3926== by 0x43D524: connection_operation
(/home/build/git/sold-2445/openldap/servers/slapd/connection.c:1158)
==3926== by 0x4E4C6C8: ldap_int_thread_pool_wrapper
(/home/build/git/sold-2445/openldap/libraries/libldap_r/tpool.c:963)
==3926== by 0x52B76B9: start_thread
(/build/glibc-bfm8X4/glibc-2.23/nptl/pthread_create.c:333)
==3926==
==3926== 401,025 bytes in 1,335 blocks are definitely lost in loss record 21 of
21
==3926== at 0x4C2DB8F: malloc (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==3926== by 0x50A8BA5: ber_memalloc_x
(/home/build/git/sold-2445/openldap/libraries/liblber/memory.c:228)
==3926== by 0x464AC8: ch_malloc
(/home/build/git/sold-2445/openldap/servers/slapd/ch_malloc.c:54)
==3926== by 0x962B7D1: ???
==3926== by 0x962F1B4: ???
==3926== by 0x454267: slap_response_play
(/home/build/git/sold-2445/openldap/servers/slapd/result.c:521)
==3926== by 0x4544DA: send_ldap_response
(/home/build/git/sold-2445/openldap/servers/slapd/result.c:596)
==3926== by 0x455549: slap_send_ldap_result
(/home/build/git/sold-2445/openldap/servers/slapd/result.c:891)
==3926== by 0x984BBEF: ???
==3926== by 0x4D9A4B: overlay_op_walk
(/home/build/git/sold-2445/openldap/servers/slapd/backover.c:677)
==3926== by 0x4D9C9D: over_op_func
(/home/build/git/sold-2445/openldap/servers/slapd/backover.c:730)
==3926== by 0x4D9E7E: over_op_delete
(/home/build/git/sold-2445/openldap/servers/slapd/backover.c:787)
==3926== by 0x46243F: fe_op_delete
(/home/build/git/sold-2445/openldap/servers/slapd/delete.c:174)
==3926== by 0x462077: do_delete
(/home/build/git/sold-2445/openldap/servers/slapd/delete.c:95)
==3926== by 0x43D524: connection_operation
(/home/build/git/sold-2445/openldap/servers/slapd/connection.c:1158)
==3926== by 0x43DBCA: connection_read_thread
(/home/build/git/sold-2445/openldap/servers/slapd/connection.c:1294)
==3926== by 0x4E4C6C8: ldap_int_thread_pool_wrapper
(/home/build/git/sold-2445/openldap/libraries/libldap_r/tpool.c:963)
==3926== by 0x52B76B9: start_thread
(/build/glibc-bfm8X4/glibc-2.23/nptl/pthread_create.c:333)
==3926==