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Re: (ITS#3456) test018 consumer segfault

Finally found the time to run this under ElectricFence...
Efence SIGBUSs here:

(gdb) where
#0  slotForUserAddress (address=0x2d4abfd8) at efence.c:685
#1  0x80e6f0a in free (address=0x2d4abfd8) at efence.c:748
#2  0x2838cb27 in pthread_attr_destroy () from /usr/lib/libc_r.so.4
#3  0x80c77f3 in ldap_pvt_thread_create (thread=0xbfbff26c, detach=0, 
    start_routine=0x8053f1c <slapd_daemon_task>, arg=0x0) at thr_posix.c:133
#4  0x8054f46 in slapd_daemon () at daemon.c:2032
#5  0x804d54c in main (argc=8, argv=0xbfbff324) at main.c:770



At 01:22 PM 12/29/2004, kurt@OpenLDAP.org wrote:
>Full_Name: Kurt Zeilenga
>Version: HEAD
>OS: FreeBSD4
>URL: ftp://ftp.openldap.org/incoming/
>Submission from: (NULL) (
>Submitted by: kurt
>test018's consumer slapd (w/ provider overlay) is segfaulting upon restart:
>./run test018
>Cleaning up test run directory leftover from previous run.
>Running ./scripts/test018-syncreplication-persist...
>running defines.sh
>Starting master slapd on TCP/IP port 9011...
>Using ldapsearch to check that master slapd is running...
>Waiting 5 seconds for slapd to start...
>Using ldapadd to create the context prefix entry in the master...
>Starting slave slapd on TCP/IP port 9014...
>Using ldapsearch to check that slave slapd is running...
>Waiting 5 seconds for slapd to start...
>Using ldapadd to populate the master directory...
>Waiting 15 seconds for syncrepl to receive changes...
>Using ldapmodify to modify master directory...
>Waiting 15 seconds for syncrepl to receive changes...
>Stopping consumer to test recovery...
>Modifying more entries on the master...
>Restarting consumer...
>Waiting 25 seconds for syncrepl to receive changes...
>Segmentation fault (core dumped)
>Using ldapsearch to read all the entries from the master...
>Using ldapsearch to read all the entries from the slave...
>ldapsearch failed at slave (1)!
>kill: 72396: No such process
>(gdb) thread apply all bt
>Thread 1 (process 203424):
>#0  0x80d3af5 in bdb_idl_fetch_key (be=0x820be00, db=0x8b2c000, tid=0x0, 
>    key=0xbfb3e7d8, ids=0x832c000, saved_cursor=0x0, get_flag=0) at idl.c:408
>#1  0x80d5bbf in bdb_key_read (be=0x820be00, db=0x8b2c000, txn=0x0, 
>    k=0x822c004, ids=0x832c000, saved_cursor=0x0, get_flag=0) at key.c:50
>#2  0x80d1bd6 in equality_candidates (op=0xbfbfecc4, ava=0xbfb3e9e4, 
>    ids=0x842c000, tmp=0x832c000) at filterindex.c:642
>#3  0x80d0956 in bdb_filter_candidates (op=0xbfbfecc4, f=0xbfb3ea08, 
>    ids=0x842c000, tmp=0x832c000, stack=0x84ac000) at filterindex.c:117
>#4  0x80d14fc in list_candidates (op=0xbfbfecc4, flist=0xbfb3ea08, ftype=161, 
>    ids=0x83ac000, tmp=0x832c000, save=0x842c000) at filterindex.c:454
>#5  0x80d0c5e in bdb_filter_candidates (op=0xbfbfecc4, f=0xbfb3e9fc, 
>    ids=0x83ac000, tmp=0x832c000, stack=0x842c000) at filterindex.c:166
>#6  0x80d14fc in list_candidates (op=0xbfbfecc4, flist=0xbfb3e9f0, ftype=160, 
>    ids=0xbfb7eb40, tmp=0x832c000, save=0x83ac000) at filterindex.c:454
>#7  0x80d0bf2 in bdb_filter_candidates (op=0xbfbfecc4, f=0xbfb3ea14, 
>    ids=0xbfb7eb40, tmp=0x832c000, stack=0x83ac000) at filterindex.c:160
>#8  0x80b02e1 in search_candidates (stackop=0xbfbfecc4, op=0xbfbfecc4, 
>    rs=0xbfbfec88, e=0xbfb3eb18, locker=28, ids=0xbfb7eb40, scopes=0xbfb3eb40)
>    at search.c:2089
>#9  0x80af49f in bdb_do_search (op=0xbfbfecc4, rs=0xbfbfec88, sop=0xbfbfecc4, 
>    ps_e=0x0, ps_type=0) at search.c:984
>#10 0x80aecaa in bdb_search (op=0xbfbfecc4, rs=0xbfbfec88) at search.c:603
>#11 0x8134dd7 in syncprov_findcsn (op=0xbfbfee70, mode=1) at syncprov.c:694
>#12 0x813788e in syncprov_db_open (be=0x820be00) at syncprov.c:2053
>#13 0x80a323c in over_db_func (be=0x820be00, which=db_open) at backover.c:55
>#14 0x80a348b in over_db_open (be=0x820be00) at backover.c:143
>#15 0x806f7cd in backend_startup_one (be=0x820be00) at backend.c:194
>#16 0x806fb03 in backend_startup (be=0x0) at backend.c:277
>#17 0x8085bc8 in slap_startup (be=0x0) at init.c:174
>#18 0x805dcce in main (argc=8, argv=0xbfbff2dc) at main.c:730
>When I modify the consumer's configuration file to comment out
>"overlay syncprovider", test018 will pass.