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Re: SEGV on syncRepl provider (ITS#3296)

To: openldap-its@OpenLDAP.org
Subject: Re: SEGV on syncRepl provider (ITS#3296)
From: jongchoi@OpenLDAP.org
Date: Tue, 31 Aug 2004 11:54:37 GMT
I've just checked in a patch for ITS#3296. Because I could not reproduce
this problem in my setup, it is not clear without feedback whether this
patch will be able to solve this problem. Ciao.
- Jong-Hyuk

----- Original Message ----- 
From: <richton@nbcs.rutgers.edu>
To: <openldap-its@OpenLDAP.org>
Sent: Monday, August 23, 2004 5:03 PM
Subject: SEGV on syncRepl provider (ITS#3296)


> Full_Name: Aaron Richton
> Version: 2.2.15
> OS: Solaris 9
> URL:
> Submission from: (NULL) (165.230.41.99)
>
>
> OpenLDAP 2.2.15, BDB 4.2.52+2 patches, HDB databases, Cyrus SASL 2.1.18,
OpenSSL
> 0.9.7d. We currently have two syncRepl consumers (refreshAndPersist). It
appears
> that one of them caused the provider to SEGV. The last connection in the
> syslog:
>
> conn=112607 fd=87 ACCEPT from IP=192.168.4.64:33057 (IP=0.0.0.0:389)
> conn=112607 op=1 BIND dn="cn=readEverything,dc=crab,dc=rutgers,dc=edu"
> method=128
> conn=112607 op=1 BIND dn="cn=readEverything,dc=crab,dc=rutgers,dc=edu"
> mech=SIMPLE ssf=0
> conn=112607 op=1 RESULT tag=97 err=0 text=
> conn=112607 op=2 SRCH base="dc=crab,dc=rutgers,dc=edu" scope=2 deref=0
> filter="(objectClass=*)"
> conn=112607 op=2 SRCH attr=* objectClass structuralObjectClass entryCSN
> [dies]
>
> gdb "thr apply all bt":
>
> Thread 10 (process 535678    ):
> #0  0xfedd58fc in __lwp_park () from /usr/lib/libthread.so.1
> #1  0xfedd2ba8 in cond_wait_queue () from /usr/lib/libthread.so.1
> #2  0xfedd3364 in cond_wait () from /usr/lib/libthread.so.1
> #3  0xfedd33a0 in pthread_cond_wait () from /usr/lib/libthread.so.1
> #4  0x00181098 in ldap_pvt_thread_cond_wait (cond=0x3394d0,
mutex=0x3394b8)
>     at thr_posix.c:251
> #5  0x0017faec in ldap_int_thread_pool_wrapper (xpool=0x3394b0) at
tpool.c:456
>
> Thread 9 (process 470142    ):
> #0  0xfedd59b4 in lwp_yield () from /usr/lib/libthread.so.1
> #1  0x00180f24 in ldap_pvt_thread_yield () at thr_posix.c:184
> #2  0x00110334 in hdb_do_search () at tools.c:288
> #3  0x0010c524 in hdb_search () at tools.c:288
> #4  0x00079958 in do_search (op=0x33b2d60, rs=0xd83ffd58) at search.c:412
> #5  0x00075e7c in connection_operation (ctx=0xd83ffe14, arg_v=0x33b2d60)
>     at connection.c:1073
> #6  0x0017fb68 in ldap_int_thread_pool_wrapper (xpool=0x3394b0) at
tpool.c:467
>
> Thread 8 (process 404606    ):
> #0  0xff319830 in __lock_getobj () from /usr/local/lib/libdb-4.2.so
> #1  0xff317188 in __lock_get_internal () from /usr/local/lib/libdb-4.2.so
> #2  0xff316780 in __lock_vec () from /usr/local/lib/libdb-4.2.so
> #3  0xff2fa2c0 in __db_lget () from /usr/local/lib/libdb-4.2.so
> #4  0xff2a69cc in __bam_search () from /usr/local/lib/libdb-4.2.so
> #5  0xff29bb94 in __bam_c_search () from /usr/local/lib/libdb-4.2.so
> #6  0xff298214 in __bam_c_get () from /usr/local/lib/libdb-4.2.so
> #7  0xff2edad8 in __db_c_get () from /usr/local/lib/libdb-4.2.so
> #8  0xff2f56a4 in __db_get () from /usr/local/lib/libdb-4.2.so
> #9  0xff2f55ac in __db_get_pp () from /usr/local/lib/libdb-4.2.so
> #10 0x0014a36c in hdb_id2entry (be=0x381660, tid=0x49eceb8, id=1032,
>     e=0xd8b3f734) at id2entry.c:111
> #11 0x0013e1e8 in hdb_cache_find_id (op=0x2a801c0, tid=0x0, id=1032,
>     eip=0xd8b3f968, islocked=0, locker=445, lock=0xd8b3f7fc) at
cache.c:700
> #12 0x0010e98c in hdb_do_search () at tools.c:288
> #13 0x0010c524 in hdb_search () at tools.c:288
> #14 0x00079958 in do_search (op=0x2a801c0, rs=0xd8bffd58) at search.c:412
> #15 0x00075e7c in connection_operation (ctx=0xd8bffe14, arg_v=0x2a801c0)
>     at connection.c:1073
> #16 0x0017fb68 in ldap_int_thread_pool_wrapper (xpool=0x3394b0) at
tpool.c:467
>
> Thread 7 (process 339070    ):
> #0  0xfedd58fc in __lwp_park () from /usr/lib/libthread.so.1
> #1  0xfedd2ba8 in cond_wait_queue () from /usr/lib/libthread.so.1
> #2  0xfedd3364 in cond_wait () from /usr/lib/libthread.so.1
> #3  0xfedd33a0 in pthread_cond_wait () from /usr/lib/libthread.so.1
> #4  0x00181098 in ldap_pvt_thread_cond_wait (cond=0x3394d0,
mutex=0x3394b8)
>     at thr_posix.c:251
> #5  0x0017faec in ldap_int_thread_pool_wrapper (xpool=0x3394b0) at
tpool.c:456
>
> Thread 6 (process 273534    ):
> #0  0xfedd58fc in __lwp_park () from /usr/lib/libthread.so.1
> #1  0xfedd2ba8 in cond_wait_queue () from /usr/lib/libthread.so.1
> #2  0xfedd3364 in cond_wait () from /usr/lib/libthread.so.1
> #3  0xfedd33a0 in pthread_cond_wait () from /usr/lib/libthread.so.1
> #4  0x00181098 in ldap_pvt_thread_cond_wait (cond=0x3394d0,
mutex=0x3394b8)
>     at thr_posix.c:251
> #5  0x0017faec in ldap_int_thread_pool_wrapper (xpool=0x3394b0) at
tpool.c:456
>
> Thread 5 (process 207998    ):
> #0  0xfedd58fc in __lwp_park () from /usr/lib/libthread.so.1
> #1  0xfedd1678 in mutex_lock_queue () from /usr/lib/libthread.so.1
> #2  0xfedd2078 in slow_lock () from /usr/lib/libthread.so.1
> #3  0xfee467b4 in malloc () from /usr/lib/libc.so.1
> #4  0x001c5c48 in ber_memalloc_x (s=24, ctx=0x0) at memory.c:232
> #5  0x00099bf8 in ch_malloc (size=24) at ch_malloc.c:155
> #6  0x000da6d0 in sl_malloc (size=24, ctx=0x29b6798) at sl_malloc.c:135
> #7  0x001c5c78 in ber_memalloc_x (s=17, ctx=0x29b6798) at memory.c:235
> #8  0x001c6528 in ber_dupbv_x (dst=0xda33f72c, src=0x6196ad4,
ctx=0x29b6798)
>     at memory.c:518
> #9  0x000eb380 in slap_build_syncUUID_set (op=0x2a37be8, set=0xda33f7e0,
>     e=0x61968b0) at ldapsync.c:531
> #10 0x0010ffa4 in hdb_do_search () at tools.c:288
> #11 0x0010c524 in hdb_search () at tools.c:288
> #12 0x00079958 in do_search (op=0x2a37be8, rs=0xda3ffd58) at search.c:412
> #13 0x00075e7c in connection_operation (ctx=0xda3ffe14, arg_v=0x2a37be8)
>     at connection.c:1073
> #14 0x0017fb68 in ldap_int_thread_pool_wrapper (xpool=0x3394b0) at
tpool.c:467
>
> Thread 4 (process 142462    ):
> #0  0xfee9d608 in _poll () from /usr/lib/libc.so.1
> #1  0xfee51e78 in _select () from /usr/lib/libc.so.1
> #2  0xfedce6b4 in select () from /usr/lib/libthread.so.1
> #3  0x00070b38 in slapd_daemon_task (ptr=0x0) at daemon.c:1422
>
> Thread 3 (process 76926    ):
> #0  0xfee9f334 in _lwp_wait () from /usr/lib/libc.so.1
> #1  0xfedcd6bc in lwp_wait () from /usr/lib/libthread.so.1
> #2  0xfedc90f0 in _thrp_join () from /usr/lib/libthread.so.1
> #3  0x00180e98 in ldap_pvt_thread_join (thread=2, thread_return=0x0)
>     at thr_posix.c:151
> #4  0x00072664 in slapd_daemon () at daemon.c:2032
> #5  0x00060bec in main (argc=4, argv=0xffbffd94) at main.c:710
>
> Thread 2 (process 666750    ):
> #0  0xfedd58fc in __lwp_park () from /usr/lib/libthread.so.1
> #1  0xfedd2ba8 in cond_wait_queue () from /usr/lib/libthread.so.1
> #2  0xfedd3364 in cond_wait () from /usr/lib/libthread.so.1
> #3  0xfedd33a0 in pthread_cond_wait () from /usr/lib/libthread.so.1
> #4  0x00181098 in ldap_pvt_thread_cond_wait (cond=0x3394d0,
mutex=0x3394b8)
>     at thr_posix.c:251
> #5  0x0017faec in ldap_int_thread_pool_wrapper (xpool=0x3394b0) at
tpool.c:456
>
> Thread 1 (process 601214    ):
> #0  0xfee47570 in t_splay () from /usr/lib/libc.so.1
> #1  0xfee472e0 in t_delete () from /usr/lib/libc.so.1
> #2  0xfee46f00 in realfree () from /usr/lib/libc.so.1
> #3  0xfee477a0 in cleanfree () from /usr/lib/libc.so.1
> #4  0xfee468dc in _malloc_unlocked () from /usr/lib/libc.so.1
> #5  0xfee467bc in malloc () from /usr/lib/libc.so.1
> #6  0x001c5c48 in ber_memalloc_x (s=24, ctx=0x0) at memory.c:232
> #7  0x00099bf8 in ch_malloc (size=24) at ch_malloc.c:155
> #8  0x000da6d0 in sl_malloc (size=24, ctx=0x5721940) at sl_malloc.c:135
> #9  0x001c5c78 in ber_memalloc_x (s=17, ctx=0x5721940) at memory.c:235
> #10 0x001c6528 in ber_dupbv_x (dst=0xd733f72c, src=0x449b004,
ctx=0x5721940)
>     at memory.c:518
> #11 0x000eb380 in slap_build_syncUUID_set (op=0x37423f8, set=0xd733f7e0,
>     e=0x449adf0) at ldapsync.c:531
> #12 0x0010ffa4 in hdb_do_search () at tools.c:288
> #13 0x0010c524 in hdb_search () at tools.c:288
> #14 0x00079958 in do_search (op=0x37423f8, rs=0xd73ffd58) at search.c:412
> #15 0x00075e7c in connection_operation (ctx=0xd73ffe14, arg_v=0x37423f8)
>     at connection.c:1073
> #16 0x0017fb68 in ldap_int_thread_pool_wrapper (xpool=0x3394b0) at
tpool.c:467
>
>
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