Dear porters, While moving from 10.3 to 11.1, I get an issue on openldap execution. slapd dies (pid 29087 (slapd), uid 389: exited on signal 6) on some complex but reproducible operations.
We worked around this bug by returning less elements from the request. While my dear colleges are trying to write a script to reproduce the issue, I investigate system side. In /var/log/messages, I got slapd[4909]: stack overflow detected; terminated The only trace I get #0 0x0000000801f7a71a in kill () from /lib/libc.so.7 #1 0x0000000801f7a6d0 in __stack_chk_fail () from /lib/libc.so.7 #2 0x0000000801f7a640 in __stack_chk_fail () from /lib/libc.so.7 #3 0x00000000004466e6 in do_modify () #4 0x00000000004308d5 in connection_assign_nextid () #5 0x00000000004300dd in connection_read_activate () #6 0x0000000800956ffa in ldap_pvt_thread_pool_submit () from /usr/local/lib/libldap_r-2.4.so.2 #7 0x0000000801c71bc5 in pthread_create () from /lib/libthr.so.3 #8 0x0000000000000000 in ?? () I suspect it's relative to -fstack-protector-strong which is the default since FreeBSD 11.0. Do you think I should rebuild all the world this opion ? I also thought on fdatasync .if ${OSVERSION} < 1101000 CFLAGS+= -DMDB_DSYNC=O_SYNC -Dfdatasync=fsync .endif I'm currently investigating on this changes. The issue disappear when slapd is compiled with debugging symbols (WITH_DEBUG=YES). As far as I understand, this only cause -g flag to be added to CFLAGS. Does WITH_DEBUG also disable some compiler optimization ? Any thought on all this is welcomed Joris Openldap options : Name : openldap-sasl-server Version : 2.4.45_4 Installed on : Thu Feb 8 16:16:45 2018 CET Origin : net/openldap24-server Architecture : FreeBSD:11:amd64 Prefix : /usr/local Categories : databases net Licenses : OPENLDAP Maintainer : delp...@freebsd.org WWW : http://www.OpenLDAP.org/ Comment : Open source LDAP server implementation Options : ACCESSLOG : on ACI : off AUDITLOG : off BDB : off COLLECT : off CONSTRAINT : off DDS : off DEBUG : off DEREF : off DNSSRV : off DYNACL : off DYNAMIC_BACKENDS: on DYNGROUP : off DYNLIST : off FETCH : off GSSAPI : on KQUEUE : off LASTBIND : off LMPASSWD : off MDB : on MEMBEROF : off ODBC : off OUTLOOK : off PASSWD : off PERL : off PPOLICY : on PROXYCACHE : off REFINT : off RELAY : off RETCODE : off RLOOKUPS : off RWM : off SASL : on SEQMOD : off SHA2 : off SHELL : off SLAPI : off SLP : off SMBPWD : off SOCK : off SSSVLV : off SYNCPROV : on TCP_WRAPPERS : off TRANSLUCENT : off UNIQUE : off VALSORT : off _______________________________________________ freebsd-ports@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-ports To unsubscribe, send any mail to "freebsd-ports-unsubscr...@freebsd.org"