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Re: (ITS#7968) SIGSEGV shortly after reconnection performed by syncrepl due to synchronization conflicts
by hyc＠symas.com 02 Dec '14

02 Dec '14

Leonid Yuriev wrote: > Partially fixed. > Patch is for current OPENLDAP_REL_ENG_2_4, but applicable for master. Thanks, the patch makes sense. But if only partial, what else is still crashing? > > Leonid. > > -- > > The attached files is derived from OpenLDAP Software. All of the > modifications > to OpenLDAP Software represented in the following patch(es) were > developed by > Peter-Service LLC, Moscow, Russia. Peter-Service LLC has not assigned > rights > and/or interest in this work to any party. I, Leonid Yuriev am > authorized by > Peter-Service LLC, my employer, to release this work under the following > terms. > > Peter-Service LLC hereby places the following modifications to OpenLDAP > Software > (and only these modifications) into the public domain. Hence, these > modifications may be freely used and/or redistributed for any purpose > with or > without attribution and/or other notice. > > > -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/

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Re: (ITS#7968) SIGSEGV shortly after reconnection performed by syncrepl due to synchronization conflicts
by leo＠yuriev.ru 01 Dec '14

01 Dec '14

This is a multi-part message in MIME format. --------------040002050003040401050402 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Partially fixed. Patch is for current OPENLDAP_REL_ENG_2_4, but applicable for master. Leonid. -- The attached files is derived from OpenLDAP Software. All of the modifications to OpenLDAP Software represented in the following patch(es) were developed by Peter-Service LLC, Moscow, Russia. Peter-Service LLC has not assigned rights and/or interest in this work to any party. I, Leonid Yuriev am authorized by Peter-Service LLC, my employer, to release this work under the following terms. Peter-Service LLC hereby places the following modifications to OpenLDAP Software (and only these modifications) into the public domain. Hence, these modifications may be freely used and/or redistributed for any purpose with or without attribution and/or other notice. --------------040002050003040401050402 Content-Type: text/x-patch; name="slapd-syncrepl-locking.patch" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="slapd-syncrepl-locking.patch" commit e845cfba8b8c17d291fb810b762e2d2bdb22b016 Author: Leo Yuriev <leo(a)yuriev.ru> Date: 2014-12-01 19:26:08 +0300 ITS#7968: add locking into syncrepl. Mutex must be held even for a read-access of a cookie state, as there may be a race with write in other thread. diff --git a/servers/slapd/syncrepl.c b/servers/slapd/syncrepl.c index caab9f5..eb7bec2 100644 --- a/servers/slapd/syncrepl.c +++ b/servers/slapd/syncrepl.c @@ -926,6 +926,7 @@ do_syncrep2( if ( syncCookie.ctxcsn ) { int i, sid = slap_parse_csn_sid( syncCookie.ctxcsn ); check_syncprov( op, si ); + ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); for ( i =0; i<si->si_cookieState->cs_num; i++ ) { /* new SID */ if ( sid < si->si_cookieState->cs_sids[i] ) @@ -935,15 +936,18 @@ do_syncrep2( bdn.bv_val[bdn.bv_len] = '\0'; Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s CSN too old, ignoring %s (%s)\n", si->si_ridtxt, syncCookie.ctxcsn->bv_val, bdn.bv_val ); + si->si_too_old = 1; + ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); ldap_controls_free( rctrls ); rc = 0; - si->si_too_old = 1; goto done; } si->si_too_old = 0; break; } } + ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); + /* check pending CSNs too */ while ( ldap_pvt_thread_mutex_trylock( &si->si_cookieState->cs_pmutex )) { if ( slapd_shutdown ) { @@ -953,6 +957,8 @@ do_syncrep2( if ( !ldap_pvt_thread_pool_pausecheck( &connection_pool )) ldap_pvt_thread_yield(); } + + ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); for ( i =0; i<si->si_cookieState->cs_pnum; i++ ) { if ( sid < si->si_cookieState->cs_psids[i] ) break; @@ -961,9 +967,10 @@ do_syncrep2( bdn.bv_val[bdn.bv_len] = '\0'; Debug( LDAP_DEBUG_SYNC, "do_syncrep2: %s CSN pending, ignoring %s (%s)\n", si->si_ridtxt, syncCookie.ctxcsn->bv_val, bdn.bv_val ); + ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); + ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_pmutex ); ldap_controls_free( rctrls ); rc = 0; - ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_pmutex ); goto done; } ber_bvreplace( &si->si_cookieState->cs_pvals[i], @@ -978,6 +985,7 @@ do_syncrep2( (struct sync_cookie *)&si->si_cookieState->cs_pvals, i, sid, syncCookie.ctxcsn ); } + ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); assert( punlock < 0 ); punlock = i; } else if (si->si_too_old) { @@ -1032,6 +1040,7 @@ do_syncrep2( /* on failure, revert pending CSN */ if ( rc != LDAP_SUCCESS ) { int i; + ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex ); for ( i = 0; i<si->si_cookieState->cs_num; i++ ) { if ( si->si_cookieState->cs_sids[i] == si->si_cookieState->cs_psids[punlock] ) { ber_bvreplace( &si->si_cookieState->cs_pvals[punlock], @@ -1041,6 +1050,7 @@ do_syncrep2( } if ( i == si->si_cookieState->cs_num ) si->si_cookieState->cs_pvals[punlock].bv_val[0] = '\0'; + ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex ); } ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_pmutex ); } --------------040002050003040401050402--

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Re: (ITS#7989) wrong search results "scope one" with mdb backend
by quanah＠zimbra.com 01 Dec '14

01 Dec '14

--On Monday, December 01, 2014 4:04 PM +0000 dab1818(a)gmail.com wrote: > Full_Name: Dmitry Bakshaev > Version: 2.4.38, 2.4.40 > OS: gentoo linux > URL: ftp://ftp.openldap.org/incoming/ > Submission from: (NULL) (87.249.250.7) Duplicate of ITS#7975, fixed in master, closing. --Quanah -- Quanah Gibson-Mount Server Architect Zimbra, Inc. -------------------- Zimbra :: the leader in open source messaging and collaboration

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(ITS#7989) wrong search results "scope one" with mdb backend
by dab1818＠gmail.com 01 Dec '14

01 Dec '14

Full_Name: Dmitry Bakshaev Version: 2.4.38, 2.4.40 OS: gentoo linux URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (87.249.250.7) slapd.conf: include /etc/openldap/schema/core.schema pidfile /tmp/openldap-data-test/slapd.pid argsfile /tmp/openldap-data-test/slapd.args database mdb directory /tmp/openldap-data-test suffix "c=ru" index objectClass eq test.ldif: dn: c=ru objectClass: country c: ru dn: o=org,c=ru objectClass: organization o: org dn: ou=unit,o=org,c=ru objectClass: organizationalUnit ou: unit dn: ou=subunit,ou=unit,o=org,c=ru objectClass: organizationalUnit ou: subunit dn: cn=pers,ou=unit,o=org,c=ru objectClass: person cn: pers sn: pers load test.ldif: slapadd -f slapd.conf -l test.ldif -q run slapd: /usr/lib/openldap/slapd -f slapd.conf -d 127 -h "ldap:///" execute query: ldapsearch -H ldaps://localhost -b ou%ununit,o=org,c=ru -s one "(objectclass=organizationalUnit)" result contains wrong data (expects only ou=subunit,ou=unit,o=org,c=ru): # unit, org, ru dn: ou=unit,o=org,c=ru objectClass: organizationalUnit ou: unit # subunit, unit, org, ru dn: ou=subunit,ou=unit,o=org,c=ru objectClass: organizationalUnit ou: subunit # search result search: 2 result: 0 Success # numResponses: 3 # numEntries: 2 worked as expected: 1. on openldap-2.4.35 (with mdb 0.9.6) or below; or 2. with "database bdb"; or 3. without "index objectClass eq".

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Re: (ITS#7832) Proposing ppolicy extended module for OpenLDAP
by dcoutadeur＠linagora.com 01 Dec '14

01 Dec '14

Hi, I am considering solutions to give the password policy module its configuration in cn=config, and not in a flat configuration file. However, If I create a ppm.la overlay to register a ppm configuration schema, I won't be able to read it in the ppm.so which is loaded dynamically by the ppolicy overlay. Indeed, ppolicy is dynamically including the ppm.so code through libtool, so there is no link at all between ppm.so and ppm.la. Does anybody have an idea on how a module called by the ppolicy could read some configuration in cn=config ? Thanks in advance ! David Le 12/11/2014 10:41, David Coutadeur a écrit : > > Hi, > > The ppm module is still alive, and is evolving. > Last version is 1.2, and source code is now available on Github : > > https://github.com/davidcoutadeur/ppm > > There are also plans to package it. > If anybody is interrested, I am always glad to hear about comments, > ideas, improvements,... > > Sincerely, > > David

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Re: (ITS#7987) SIGSEGV in LMDB while adding ldap-entries
by leo＠yuriev.ru 30 Nov '14

30 Nov '14

Previously noted (2) and (3) was caused by following patch. It is a trial from Howard Chu for workout on ITS#7968 ;) Under a heavy load of add/delete it may induce "DN index delete failed" in the mdb backend. > Message-ID: <5440D299.60208(a)symas.com> > Date: Fri, 17 Oct 2014 09:26:01 +0100 > From: Howard Chu <hyc(a)symas.com> > > Can you try this patch and followup again? > >> diff --git a/servers/slapd/overlays/syncprov.c >> b/servers/slapd/overlays/syncprov.c >> index e15020e..b54c83f 100644 >> --- a/servers/slapd/overlays/syncprov.c >> +++ b/servers/slapd/overlays/syncprov.c >> @@ -1306,11 +1306,12 @@ syncprov_matchops( Operation *op, opcookie >> *opc, int saveit ) >> op2.o_hdr = &oh; >> op2.o_extra = op->o_extra; >> op2.o_callback = NULL; >> - if (ss->s_flags & PS_FIX_FILTER) { >> + if ((ss->s_flags & PS_FIX_FILTER) >> + && op2.ors_filter->f_choice == >> LDAP_FILTER_AND) { >> /* Skip the AND/GE clause that we >> stuck on in front. We >> would lose deletes/mods that >> happen during the refresh >> phase otherwise (ITS#6555) */ >> - op2.ors_filter = >> ss->s_op->ors_filter->f_and->f_next; >> + op2.ors_filter = >> op2.ors_filter->f_and->f_next; >> } >> ldap_pvt_thread_mutex_unlock( &ss->s_mutex ); >> rc = test_filter( &op2, e, op2.ors_filter );

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Re: (ITS#7968) SIGSEGV shortly after reconnection performed by syncrepl due to synchronization conflicts
by leo＠yuriev.ru 29 Nov '14

29 Nov '14

This is a multi-part message in MIME format. --------------010409020705090508090802 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Some of Valgrind's DRD output, seems be enough to crash around connect/disconnect and walking on overlays. --------------010409020705090508090802 Content-Type: application/gzip; name="valgrind-drd.log.gz" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="valgrind-drd.log.gz" H4sICJ8XelQAA3ZhbGdyaW5kLWRyZC5sb2cA7V3bcuO4EX3PV/At3lRkgSB4U2pqQ922tmqS naq9VB5SxaJJ2GZGIrUk5bHz9WmQ1IUayNY6HluSjx9kXdgkgO7TOH0kgB8+uMz1P3wwkiL5 qxEZ1W0ho8SQRZEXRiIrGVd58acPq6NG+eKhSG9uK+Ni9J3BGXN6nJkWWWaJ8cM/fzV++PTx z3SiqwdjGBWV8VuUGUFZxrfycnOSX8s0u6GPZjdFmiU969Jkl6w+w8f06rfJv/5mFLJYZsaX tLo1erfGNTUlXl84za7z7QbN52Q5MPq3+Vz2Zw/9T0X+H2p12f/4j/GwV8myiqNSXt6kVV+9 6N1FSTrv38pC9spZtEj6s/RK3su4X78yejPj40+j4KNt9BKDGb1SPQjVjFkSLQb9PjWWX7JL c2DSH+//e/0+d+nt+gNm+bxv9K6f1agkqqJ+licy5H1Ztc26jPPsetPrT1Ehs8r49ON4YDi+ zzafbJ790nhSDLYHK7uepXGlhr8kv0rlp9bjwogqg90zh8vYkrFRpv+VhtjY0l99gDCnLHAG hmpWOEvLSmayMC6SSM7z7DIemJ7wvuuY0TVqM2/CdszC9toba848X2c9sb0xNwf1WIdpVrWW 4SLPZ+GXIlosVCMq9ZLO4njaJows0w2GA+P77783LtLM6C/LQnm/f9eGYv/uZlHIWU4nJjj0 onniiN4szZb3l2WuOaPNh4wFgnpVUbCve7NoGxfTYyWpPRbTdcq2R8wTo4ERz/JMGhf1v8uf VVxtHR0kSSFLisL7lWfSUnkiv74uZWUIYVwX+Xz1ccwujWA2y+OoSvOMUJNV8r4aaNw44uPp mBwyj9ThLzQeLDDJ/wPjinw7l82pw3vjgp7nxYPyL9d6xppMxwENxG24as76KRnZQhtQk0BY bUDlC5lpg9H2mM6Wm97UbGypa/XRFFVptW3quNpIZAFvho0G7EI90rGu2PbYTxXh2CjlzVxh tA4NCs0mNvh3OldYYjqm5qziZr4kp4XLjHr/+WUcIzgLht5Oh6uo/LwNPXFGqOn6QNLU8pgH 1Dkn3Gr7WD6UMYUeZen5Yqaa8vPAM/WDyqbTJwbVtpwzHdTDAtsy2W5gv2BYm1NKHE+FtWWd qQeeCuvXSSyM8ac8YJ9PYvmKX7l7+JVq9ha9clf0yvKkbbGGXnmaVGQyPqRGlA9ZvCjyu/D3 ZjRXr9XMxJh2QgRHIhLUDm+HI7E1RWo+PZgiWYyNKH3FL02RphuKFGs4kqdNWNaUuHnNkWIN RzL1MUHeHBFZv4riz5QtwuSqpTntG4pc+doJisLQplaqsiO9CW8Ur0rpklfNGzW14lxrGDgj vjak4Q9pqEpq7MrQsrXdM8eW5Q6MJiga4+t0JrcMXV87C5vOyJ52DLebKbiljXOicfZol8b5 /MDZznqjbDvmPqe+zsmP1KjiISxktSyoB2nC6zdqyqHtMJk6oms6k1SDdm19Lef1iPPSNJvf yWIWPXTtw/yuCSf1qRpwSxuInjkcW01aK+Ri1pyjSWvqdR32rta/rWWSh+3BvGNGgaq/oOWr iWljNuua2Za2q9xmE7cO34zqdUoQYe3LVdravK/OwX1tKL/fRLyfn+xDzLflh95w6K5qxN+X cinDuCS0xNU9/Vce1KcUd+RzthWsy0VCYzPK88+p7ESR5Tra4HOnTCWzR2JW63PE7OvH7Lcm dBThNLabKXjLS7tTsW9qp2JOM+a4497GsONX29WLJFMxEfvFOk7Nh1gHIgoiCiL6hybWie1O VGdriC/uuhAvl1dz5dsVwi2hc5DNhiPH3a50CTqLnUrX18m3tmmORt6W5Tyq4tt8UXaNLS0T tU0eTPiWcb4I1YXzrJRde18/21rW0GsVj7VhuCBebFzQy+WsUrHM9DK3YBOfTBUC6pHbXHhj ugd0IvBaxTrs2JPVlrXnaENz5E0mXkP+o4SSHj3UVF0LHC8Qwt6wfRqfL9Hsc4fkO3uoemAP WWOpzK6XWdwxc7m2bx5zV5LH3tpAz7NaywNrgz/OTr+5ejYa2jTHRVVVhG0uVc+VI7UBxMc2 c9vj57K4kevjhWtriajgPnVhnifp9YPyvUqCS0lIobfK+msOrScD1/SDJmBaW5rHZZFFs9qS 3qhttY0M3MnY2bbdMnH2RMBrhxwx/OGBDF+Px5Nh+Ec4e6j8zZyn87epC2nk73ebv48GRW8u bBB3ClRX0ixuzk3ZuRP8rqsj0yuzRymXrSVroFyA7OtB9mUVGM/31mO0Bf6vxsrT1ilKwHEm Bwo4LgQcCDgQcCDgQMCBgAM2AQEHAg4EHAg4yN/I38eEIgg4oFyA7CkJOGP7IAFHW4FCwIGA AwEHAg4EHAg4YBMQcCDgHEHIQcCBgIP8fWL5+2hQBAEHlAuQfRUBp10WZR24j5B1uKgzUes6 63GL4piK9pqAfZFJZ/gsrt3BRYihS4PQNSRMqLXyUaw6JGy9IR8O6bJq16WQEE9hFUtVXlZK EWn+r1bDelzr8O0z6A1NLRIUglfLCh+ddLWJAwh+rwiGpAVJ61UlrR0N/NVqcXM85WK1l0wN +LXQ7ekLXSXM208L83pXQphfw/ZNtwZ4q3Cj4BHu08GjVXUQPG8YPMhWCDhkK2SrYw2er2pn 57AtRZyDtxSxAodI4bUMo+W92vy0qNm++mpgQ31NX2iDwWJ1FlqR5r3W+hxm2fa4U9CVMiqI qrfFz7qiMxnTl7HMdfytMlad4ysJzPP1uvOO7e9N+bpl6Au9+rVrqNlTz9SqBe83iFF1oup8 Dz+kwFdhUOXwVRi+CgNkAVk9ZDFpAQHvGwGYtDBpAbInBdmXFZxojETw2BiZ2qG1rMCzD9Cp tItuoFNBp4JOBZ0KOhUoP/gDKD8oPyALyEKnAgKAAExamLQA2XOA7IvrVK54VKfS/yQKOhV0 KuhUm8kDOhV0KlB+8Ifj5w+g/KD8gOxJQRaTFhDwvhGASQuTFiB7UpDdPGvX9HmHrenzDpWu KBc4rNagaNCiqyhLqPC/aJ/UkayVrjgXbNjJIGvbTvZw9eIVWY+9jnk8y0vVj665p9+Fh4vR cPJV/tpNXEIL/T3G+5Kfp3Ui9CToSdCTzllPwkbHYBmnxzKw0TE2Ol6Ny7vZ6PhlCfEz1xxQ B1znUR6tJ6Pg0eDR4NHg0eDR4NHg0eDR4NHg0efCo5/zm0jwaPBo8GjwaPBo8GjwaPBo8Gjw 6JPl0e1vNvhhv9ngK2rNZWxJbz+1NqdTx1ltAd9siB02S2E2u2ML7RKak+d47dB0OJ7YkDz1 cXw4yePj6ZgpJvDCJM/bkDwNx9PHqTWZjoOa4801HM/W3+R7EgirnaLyhcx0u6ybtqevWUxv au4EUUMQN6aOq8UGEahm2LYJlDj0xgn2G2V+zxra7iOJwBFYOnbgzQj2uNCeWJONCwl4CU0q afX3v7wYBfbGLj/YFfr5+QxcATydgROBp6NxxdM39qnPappfndX7/27e8k1/Gi+4JTz/yVu3 CL0GhFu3HEs8ijfK78obpnO4N7RxdAbe2AayzhfUImdsj9s+lg+l0mh7lZwvZqopO0liCyps ZO9HGNUQWowAYUDYuXkDCDs/nwJhx+QNIOwcfPoMFTluVGShgR9nzOVPqMh7vug9ydHbVZHj HRVZQEWGigzVC6rXu1S9gKeTdCLwdDSugIoMFfl44xEV+PEkalTg5+FTIOyYvAGEnZ9PgbBj 8gYQdn4+BcKOyRtA2Dn4dPPsl+b0zmELAA6+34jFzSDYLO2Lb2X8Wa1Mqoq0rsjLzi1AmNAG hTCH7mi10vYqVZGnHusVGPqluaZte7VU1zmaM/0OkcLlVkc3WN+iZHf5BJ0XAYRFrVjU2hi+ o0WtWI3XfguC1XjHsWH5MyR6IAlIApLOBkm4Jwe2OuhY4p4cuCcHIAvIauSdF7p37HP2G7a4 qXYNO1gC0noWEhAkIEhAkIBQuKJwReF64oUrkAQkAUmQgFBPnlg9+frAhAQEyAKyxyQBPWer fEhAkIAgAUECggSEwhWFKwpXIAlIApIgAaGePLl68vWBCQkIkAVkj0YCEubQs/UyjH7jNcgw kGEgw0CGQfGI4hHFI5AEJAFJ54ckyDCo6SDDQIYBZAHZI16MJUxCyx71RjuoUG+g3kC9gXqD mhM1J2pOIAlIApLOD0lQb1AKQr2BegPIArJHvI4K6g3UG6g3UG9Qc6LmRM154jUnkAQkAUlQ b1AKnlgp+PrAhHoDyAKyfxyy/wMt47cXvE0BAA== --------------010409020705090508090802--

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Re: (ITS#7968) SIGSEGV shortly after reconnection performed by syncrepl due to synchronization conflicts
by leo＠yuriev.ru 29 Nov '14

29 Nov '14

Program terminated with signal 11, Segmentation fault. #0 0x00007ffda90d607b in ?? () from /lib/x86_64-linux-gnu/libc.so.6 (gdb) bt #0 0x00007ffda90d607b in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x000000000047fb7c in do_syncrep2 (op=0x7ffd68cf5740, si=0x1681d00) at syncrepl.c:893 #2 0x0000000000483903 in do_syncrepl (ctx=<optimised out>, arg=0x1682090) at syncrepl.c:1551 #3 0x00000000004250e8 in connection_input (cri=<optimised out>, conn=<optimised out>) at connection.c:1732 #4 connection_read (cri=<optimised out>, s=<optimised out>) at connection.c:1460 #5 connection_read_thread (ctx=0x7ffd68cf5bd0, argv=0x25) at connection.c:1284 #6 0x00007ffda9777d22 in ldap_int_thread_pool_wrapper (xpool=0x1635090) at tpool.c:688 #7 0x00007ffda93420a5 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #8 0x00007ffda906f84d in clone () from /lib/x86_64-linux-gnu/libc.so.6 (gdb) frame 1 #1 0x000000000047fb7c in do_syncrep2 (op=0x7ffd68cf5740, si=0x1681d00) at syncrepl.c:893 893 Debug( LDAP_DEBUG_ANY, "do_syncrep2: %s malformed message (%s)\n", (gdb) info locals syncUUID = {{bv_len = 16, bv_val = 0x7ffd543a98b7 "\177]\201N\f'\020\064\235\255Չ\v\247\331", <incomplete sequence \351>}, {bv_len = 128849018894, bv_val = 0x7ffd68cf4ec4 "\375\177"}} cookie = {bv_len = 60, bv_val = 0x7ffd543a98c9 "rid=002,sid=002,csn=20141129152404.971057Z#000000#001#000000"} rctrls = 0x7ffd543f7130 bdn = {bv_len = 33, bv_val = 0x7ffd543706f7 "cn=modem,uid=4711,dc=ngdr,dc=ldap"} si_tag = 1 syncstate = 3 retdata = 0x7ffd68cf57c0 retoid = 0xb <Address 0xb out of bounds> syncUUIDs = 0x7ffd68cf57c0 len = 60 berbuf = { buffer = "\002\000\001", '\000' <repeats 29 times>, "\260\230:T\375\177\000\000\005\231:T\375\177\000\000\005\231:T\375\177", '\000' <repeats 34 times>, "i\215\064\251\375\177\000\000\000\000\000\000\000\000\000\000x\021V\251\375\177\000\000\340\022h\001", '\000' <repeats 36 times>, "\060S\317h\375\177\000\000Q\020", '\000' <repeats 14 times>, "X", '\000' <repeats 15 times>, "\300U\317h\375\177\000\000"..., ialign = 65538, lalign = 65538, falign = 9.18382988e-41, dalign = 3.2380074297143616e-319, palign = 0x10002 <Address 0x10002 out of bounds>} msg = 0x7ffd543f3c50 syncCookie = {ctxcsn = 0x7ffd543f3f10, sids = 0x7ffd542eb890, numcsns = 1, rid = 2, octet_str = {bv_len = 60, bv_val = 0x7ffd5440f6d0 "rid=002,sid=002,csn=20141129152404.971057Z#000000#001#000000"}, sid = 2, sc_next = {stqe_next = 0x0}} syncCookie_req = {ctxcsn = 0x7ffd5440f380, sids = 0x7ffd542ebae0, numcsns = 5, rid = 2, octet_str = {bv_len = 224, bv_val = 0x7ffd543714e0 "rid=002,sid=004,csn=20141129152404.970764Z#000000#001#000000;20141129151341.491595Z#000000#002#000000;20141129151341.507685Z#000000#003#000000;20141129151341.523508Z#000000#004#000000;20141129151341.5"...}, sid = 4, sc_next = {stqe_next = 0x0}} rc = 100 err = 0 modlist = 0x0 m = 32765 tout = {tv_sec = 0, tv_usec = 0} refreshDeletes = 0 empty = "empty" (gdb) p *si $1 = {si_next = 0x1682200, si_be = 0x1680940, si_wbe = 0x1680940, si_re = 0x1682090, si_rid = 2, si_ridtxt = "rid=002", si_bindconf = {sb_uri = {bv_len = 22, bv_val = 0x16816b0 "ldap://10.2.0.1:11113/"}, sb_version = 3, sb_tls = 0, sb_method = 128, sb_timeout_api = 10, sb_timeout_net = 0, sb_binddn = {bv_len = 19, bv_val = 0x1681690 "uid=replica,dc=ldap"}, sb_cred = {bv_len = 3, bv_val = 0x1682110 "xyz"}, sb_saslmech = {bv_len = 0, bv_val = 0x0}, sb_secprops = 0x0, sb_realm = {bv_len = 0, bv_val = 0x0}, sb_authcId = {bv_len = 0, bv_val = 0x0}, sb_authzId = {bv_len = 0, bv_val = 0x0}, sb_keepalive = {sk_idle = 1, sk_probes = 1, sk_interval = 1}, sb_tls_ctx = 0x0, sb_tls_cert = 0x0, sb_tls_key = 0x0, sb_tls_cacert = 0x0, sb_tls_cacertdir = 0x0, sb_tls_reqcert = 0x0, sb_tls_cipher_suite = 0x0, sb_tls_protocol_min = 0x0, sb_tls_crlcheck = 0x0, sb_tls_do_init = 0}, si_base = {bv_len = 15, bv_val = 0x1682030 "dc=ngdr,dc=ldap"}, si_logbase = { bv_len = 0, bv_val = 0x0}, si_filterstr = {bv_len = 15, bv_val = 0x1681200 "(objectclass=*)"}, si_filter = 0x1682010, si_logfilterstr = {bv_len = 0, bv_val = 0x0}, si_contextdn = {bv_len = 7, bv_val = 0x16811e0 "dc=ldap"}, si_scope = 2, si_attrsonly = 0, si_anfile = 0x0, si_anlist = 0x1682130, si_exanlist = 0x1681fc0, si_attrs = 0x169f0f0, si_exattrs = 0x0, si_allattrs = 1, si_allopattrs = 1, si_schemachecking = 0, si_type = 3, si_ctype = 3, si_interval = 60, si_retryinterval = 0x1681ff0, si_retrynum_init = 0x1682070, si_retrynum = 0x1682050, si_syncCookie = { ctxcsn = 0x7ffd7c1d87d0, sids = 0x7ffd54411150, numcsns = 5, rid = 2, octet_str = {bv_len = 224, bv_val = 0x7ffd543f57f0 "rid=002,sid=004,csn=20141129152404.970905Z#000000#001#000000;20141129151341.491595Z#000000#002#000000;20141129151341.507685Z#000000#003#000000;20141129151341.523508Z#000000#004#000000;20141129151341.5"...}, sid = 4, sc_next = {stqe_next = 0x0}}, si_cookieState = 0x1681c70, si_cookieAge = 1539004, si_manageDSAit = 0, si_slimit = 0, si_tlimit = 0, si_refreshDelete = 0, si_refreshPresent = 1, si_refreshDone = 1, si_syncdata = 0, si_logstate = 0, si_got = 269715, si_strict_refresh = 0, si_too_old = 0, si_msgid = 2, si_presentlist = 0x7ffd7c58e050, si_ld = 0x7ffd7c718210, si_conn = 0x7ffda9a365d0, si_nonpresentlist = {lh_first = 0x0}, si_rewrite = 0x0, si_suffixm = {bv_len = 0, bv_val = 0x0}, si_mutex = {__data = {__lock = 1, __count = 0, __owner = 13107, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\063\063\000\000\001", '\000' <repeats 26 times>, __align = 1}} (gdb) p si->si_ridtxt $2 = "rid=002" (gdb) p (void*)si->si_ridtxt $3 = (void *) 0x1681d24

1 0

Re: (ITS#7968) SIGSEGV shortly after reconnection performed by syncrepl due to synchronization conflicts
by leo＠yuriev.ru 29 Nov '14

29 Nov '14

Program terminated with signal 11, Segmentation fault. #0 0x000000000047fb64 in do_syncrep2 (op=0x7f8c494e7740, si=0x19967e0) at syncrepl.c:892 892 bdn.bv_val[bdn.bv_len] = '\0'; (gdb) bt #0 0x000000000047fb64 in do_syncrep2 (op=0x7f8c494e7740, si=0x19967e0) at syncrepl.c:892 #1 0x0000000000483903 in do_syncrepl (ctx=<optimised out>, arg=0x1996410) at syncrepl.c:1551 #2 0x00000000004250e8 in connection_input (cri=<optimised out>, conn=<optimised out>) at connection.c:1732 #3 connection_read (cri=<optimised out>, s=<optimised out>) at connection.c:1460 #4 connection_read_thread (ctx=0x7f8c494e7bd0, argv=0x21) at connection.c:1284 #5 0x00007f8c6bb5bd22 in ldap_int_thread_pool_wrapper (xpool=0x194a090) at tpool.c:688 #6 0x00007f8c6b7260a5 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #7 0x00007f8c6b45384d in clone () from /lib/x86_64-linux-gnu/libc.so.6 (gdb) info locals syncUUID = {{bv_len = 16, bv_val = 0x7f8c40106ad7 "\023Z,P\f!\020\064\223e\177\031\357Ζ:"}, {bv_len = 0, bv_val = 0x0}} cookie = {bv_len = 60, bv_val = 0x7f8c40106ae9 "rid=001,sid=001,csn=20141129143806.208485Z#000000#001#000000"} rctrls = 0x7f8c40104ad0 bdn = {bv_len = 34, bv_val = 0x7f8c40105209 "cn=tablet,uid=1756,dc=ngdr,dc=ldap"} si_tag = 1 syncstate = 1 retdata = 0x19eb878 retoid = 0x0 syncUUIDs = 0x0 len = 60 berbuf = { buffer = "\002\000\001", '\000' <repeats 29 times>, "\320j\020@\214\177\000\000%k\020@\214\177\000\000%k\020@\214\177", '\000' <repeats 34 times>, "i\315rk\214\177\000\000\000\000\000\000\000\000\000\000xQ\224k\214\177\000\000\340b\231\001", '\000' <repeats 36 times>, "\a\000\000\000\000\000\000\000\020c\231\001\000\000\000\000\a\000\000\000\000\000\000\000@b\231\001\000\000\000\000\006\000\000\000\000\000\000\000\300b\231\001\000\000\000\000"..., ialign = 65538, lalign = 65538, falign = 9.18382988e-41, dalign = 3.2380074297143616e-319, palign = 0x10002 <Address 0x10002 out of bounds>} msg = 0x7f8c40102be0 syncCookie = {ctxcsn = 0x7f8c401038f0, sids = 0x7f8c40105890, numcsns = 1, rid = 1, octet_str = {bv_len = 60, bv_val = 0x7f8c40104e10 "rid=001,sid=001,csn=20141129143806.208485Z#000000#001#000000"}, sid = 1, sc_next = {stqe_next = 0x0}} syncCookie_req = {ctxcsn = 0x7f8c40105e80, sids = 0x7f8c40105020, numcsns = 1, rid = 1, octet_str = {bv_len = 60, bv_val = 0x7f8c40105760 "rid=001,sid=001,csn=20141129143806.208232Z#000000#001#000000"}, sid = 1, sc_next = {stqe_next = 0x0}} rc = 100 err = 0 modlist = 0x7f8c40106a70 m = 32652 tout = {tv_sec = 0, tv_usec = 0} refreshDeletes = 0 empty = "empty" (gdb)

1 0

Re: (ITS#7968) SIGSEGV shortly after reconnection performed by syncrepl due to synchronization conflicts
by leo＠yuriev.ru 29 Nov '14

29 Nov '14

This is a multi-part message in MIME format. --------------050709090905040108060403 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit A simple testcase is attached. All activity (add/delete/read) come via first node of 4x cluster. Unfortunately a lot of time may be required to reproduce a bug (coredump), from 10 minutes up to 2-3 hours. Leonid. --------------050709090905040108060403 Content-Type: application/gzip; name="testcase-its7968-1.tar.gz" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="testcase-its7968-1.tar.gz" H4sIAFrZeVQAA+1abXPbNhLOV/FXbGm7phKREiXLvipVL6mtXj3n2h7LuZuOz+OhSEhizRcV oGK7sf/77QKkSEqy7OSS9DojZGIRwGKxWDz7ApB+5CdW4PnDF1+uNLDs7u7Qr73XbhR/Zdlt N1/YzZ2m3bbtdsN+0bAbbbvxAhpfUKZZmYrE4QAvgrvVdE/1/0WLF3XAc7uB50y0ePAbc5P9 wBGiAzEfOZH/h5P4cVTuSeI5Us89kVXNczugOHXgnWD8wEmcMzaJhZ/E/E7TaLKp73UdL/Sj WjYttnRANj0xj+O68TRKcj6cTQLfdWpLF5BRr+Yp/HASsD5zp9xP7tJ1SIlS5toUF3KKtDcx x9bbuz/U/DhnNPL48rlLytv4CO0Ry0e092X2P4w9Zrlx9Gfav72zQ/bfarfabfxd2/9XLBoC 7T3jhwfw5vDgjaaFPucxJ1TA+dm7nhZjZ+DcgbiL3AmP32vZg+mOmXs9if0oAbvRADvv4SyI HW9MPZLHn73GdXm8pF7ui7qAp+y/tdeexf/W3h7av91c2//XKdJqCQTAMaBKH1AhI/Y9xrtv 3h4cnGFDcjdhGGyHnInx28g7ZVz4ItEqnCX8rqu34ZUOiR+yeJp07QZcMzZxAv896+p2B//p WkUwh7vjgSOwbS5yYq+TJFx09Ze1V1gZ+JEXsmQce10VnFWTF3X1JTEfB6D4HosS3wlEl8Jz 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1 0

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