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#911 Segfault when ldap_uri is misconfigured
Closed: Fixed None Opened 12 years ago by sgallagh.

Closed: Fixed
Reopen Issue

From https://bugzilla.redhat.com/show_bug.cgi?id=700828

Description of problem:

Version-Release number of selected component (if applicable):
sssd-1.5.1-30.el6.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Configure sssd.conf with missing server in ldap_uri. See Additional info.
2. restart sssd
3.

Actual results: Crash detected.

[root@rhel6-1 ~]# abrt-cli -l
0.
 UID        : 0
 UUID       : ef9dd11b67263e46b3d5155cd1933fd0bc54818e
 Package    : sssd-1.5.1-30.el6
 Executable : /usr/libexec/sssd/sssd_be
 Crash Time : Fri 29 Apr 2011 07:08:28 PM IST
 Crash Count: 3
 Hostname   : rhel6-1.gsr.pnq.redhat.com
[root@rhel6-1 ~]# abrt-cli -i 0:ef9dd11b67263e46b3d5155cd1933fd0bc54818e
>> Generating backtrace
Crash ID:           0:ef9dd11b67263e46b3d5155cd1933fd0bc54818e
Last crash:         Fri 29 Apr 2011 07:06:14 PM IST
Analyzer:           CCpp
Component:          sssd
Package:            sssd-1.5.1-30.el6
Command:            /usr/libexec/sssd/sssd_be -d 9 --debug-to-files --domain
default
Executable:         /usr/libexec/sssd/sssd_be
System:             Red Hat Enterprise Linux Server release 6.1 Beta
(Santiago), kernel 2.6.32-131.0.5.el6.x86_64
Reason:             Process /usr/libexec/sssd/sssd_be was killed by signal 11
(SIGSEGV)
Coredump file:      /var/spool/abrt/ccpp-1304084174-5516/coredump
Rating:             4
Crash function:     be_resolve_server_done
Hostname:           rhel6-1.gsr.pnq.redhat.com


[root@rhel6-1 ~]# gdb --core=/var/spool/abrt/ccpp-1304084174-5516/coredump
/usr/libexec/sssd/sssd_be --quiet -ex "thread apply all bt full" -ex "quit"
Reading symbols from /usr/libexec/sssd/sssd_be...Reading symbols from
/usr/lib/debug/usr/libexec/sssd/sssd_be.debug...done.
done.
[New Thread 5516]
Missing separate debuginfo for 
Try: yum --disablerepo='*' --enablerepo='*-debuginfo' install
/usr/lib/debug/.build-id/a2/66c88911a3f35a81f651ae3d2df6a78ad1f583
Reading symbols from /lib64/libpam.so.0.82.2...Reading symbols from
/usr/lib/debug/lib64/libpam.so.0.82.2.debug...done.
done.
Loaded symbols for /lib64/libpam.so.0.82.2
Reading symbols from /usr/lib64/libtevent.so.0.9.8...Reading symbols from
/usr/lib/debug/usr/lib64/libtevent.so.0.9.8.debug...done.
done.
Loaded symbols for /usr/lib64/libtevent.so.0.9.8
Reading symbols from /usr/lib64/libtalloc.so.2.0.1...Reading symbols from
/usr/lib/debug/usr/lib64/libtalloc.so.2.0.1.debug...done.
done.
Loaded symbols for /usr/lib64/libtalloc.so.2.0.1
Reading symbols from /lib64/libpopt.so.0.0.0...Reading symbols from
/usr/lib/debug/lib64/libpopt.so.0.0.0.debug...done.
done.
Loaded symbols for /lib64/libpopt.so.0.0.0
Reading symbols from /usr/lib64/libldb.so.0.9.10...Reading symbols from
/usr/lib/debug/usr/lib64/libldb.so.0.9.10.debug...done.
done.
Loaded symbols for /usr/lib64/libldb.so.0.9.10
Reading symbols from /lib64/libdbus-1.so.3...(no debugging symbols
found)...done.
Loaded symbols for /lib64/libdbus-1.so.3
Reading symbols from /lib64/librt-2.12.so...Reading symbols from
/usr/lib/debug/lib64/librt-2.12.so.debug...done.
done.
Loaded symbols for /lib64/librt-2.12.so
Reading symbols from /lib64/libpcre.so.0.0.1...Reading symbols from
/usr/lib/debug/lib64/libpcre.so.0.0.1.debug...done.
done.
Loaded symbols for /lib64/libpcre.so.0.0.1
Reading symbols from /usr/lib64/libini_config.so.2.0.0...Reading symbols from
/usr/lib/debug/usr/lib64/libini_config.so.2.0.0.debug...done.
done.
Loaded symbols for /usr/lib64/libini_config.so.2.0.0
Reading symbols from /usr/lib64/libcollection.so.2.0.0...Reading symbols from
/usr/lib/debug/usr/lib64/libcollection.so.2.0.0.debug...done.
done.
Loaded symbols for /usr/lib64/libcollection.so.2.0.0
Reading symbols from /usr/lib64/libdhash.so.1.0.0...Reading symbols from
/usr/lib/debug/usr/lib64/libdhash.so.1.0.0.debug...done.
done.
Loaded symbols for /usr/lib64/libdhash.so.1.0.0
Reading symbols from /lib64/liblber-2.4.so.2...(no debugging symbols
found)...done.
Loaded symbols for /lib64/liblber-2.4.so.2
Reading symbols from /lib64/libldap-2.4.so.2...(no debugging symbols
found)...done.
Loaded symbols for /lib64/libldap-2.4.so.2
Reading symbols from /usr/lib64/libtdb.so.1.2.1...Reading symbols from
/usr/lib/debug/usr/lib64/libtdb.so.1.2.1.debug...done.
done.
Loaded symbols for /usr/lib64/libtdb.so.1.2.1
Reading symbols from /usr/lib64/libssl3.so...(no debugging symbols
found)...done.
Loaded symbols for /usr/lib64/libssl3.so
Reading symbols from /usr/lib64/libsmime3.so...(no debugging symbols
found)...done.
Loaded symbols for /usr/lib64/libsmime3.so
Reading symbols from /usr/lib64/libnss3.so...(no debugging symbols
found)...done.
Loaded symbols for /usr/lib64/libnss3.so
Reading symbols from /usr/lib64/libnssutil3.so...Reading symbols from
/usr/lib/debug/usr/lib64/libnssutil3.so.debug...done.
done.
Loaded symbols for /usr/lib64/libnssutil3.so
Reading symbols from /lib64/libplds4.so...Reading symbols from
/usr/lib/debug/lib64/libplds4.so.debug...done.
done.
Loaded symbols for /lib64/libplds4.so
Reading symbols from /lib64/libplc4.so...Reading symbols from
/usr/lib/debug/lib64/libplc4.so.debug...done.
done.
Loaded symbols for /lib64/libplc4.so
Reading symbols from /lib64/libnspr4.so...Reading symbols from
/usr/lib/debug/lib64/libnspr4.so.debug...done.
done.
Loaded symbols for /lib64/libnspr4.so
Reading symbols from /lib64/libpthread-2.12.so...Reading symbols from
/usr/lib/debug/lib64/libpthread-2.12.so.debug...done.
[Thread debugging using libthread_db enabled]
done.
Loaded symbols for /lib64/libpthread-2.12.so
Reading symbols from /lib64/libdl-2.12.so...Reading symbols from
/usr/lib/debug/lib64/libdl-2.12.so.debug...done.
done.
Loaded symbols for /lib64/libdl-2.12.so
Reading symbols from /usr/lib64/libcares.so.2.0.0...Reading symbols from
/usr/lib/debug/usr/lib64/libcares.so.2.0.0.debug...done.
done.
Loaded symbols for /usr/lib64/libcares.so.2.0.0
Reading symbols from /lib64/libc-2.12.so...Reading symbols from
/usr/lib/debug/lib64/libc-2.12.so.debug...done.
done.
Loaded symbols for /lib64/libc-2.12.so
Reading symbols from /lib64/libaudit.so.1.0.0...Reading symbols from
/usr/lib/debug/lib64/libaudit.so.1.0.0.debug...done.
done.
Loaded symbols for /lib64/libaudit.so.1.0.0
Reading symbols from /lib64/libcrypt-2.12.so...Reading symbols from
/usr/lib/debug/lib64/libcrypt-2.12.so.debug...done.
done.
Loaded symbols for /lib64/libcrypt-2.12.so
Reading symbols from /lib64/ld-2.12.so...Reading symbols from
/usr/lib/debug/lib64/ld-2.12.so.debug...done.
done.
Loaded symbols for /lib64/ld-2.12.so
Reading symbols from /usr/lib64/libpath_utils.so.1.0.0...Reading symbols from
/usr/lib/debug/usr/lib64/libpath_utils.so.1.0.0.debug...done.
done.
Loaded symbols for /usr/lib64/libpath_utils.so.1.0.0
Reading symbols from /usr/lib64/libref_array.so.1.0.0...Reading symbols from
/usr/lib/debug/usr/lib64/libref_array.so.1.0.0.debug...done.
done.
Loaded symbols for /usr/lib64/libref_array.so.1.0.0
Reading symbols from /lib64/libresolv-2.12.so...Reading symbols from
/usr/lib/debug/lib64/libresolv-2.12.so.debug...done.
done.
Loaded symbols for /lib64/libresolv-2.12.so
Reading symbols from /usr/lib64/libsasl2.so.2.0.23...Reading symbols from
/usr/lib/debug/usr/lib64/libsasl2.so.2.0.23.debug...done.
done.
Loaded symbols for /usr/lib64/libsasl2.so.2.0.23
Reading symbols from /lib64/libz.so.1.2.3...Reading symbols from
/usr/lib/debug/lib64/libz.so.1.2.3.debug...done.
done.
Loaded symbols for /lib64/libz.so.1.2.3
Reading symbols from /lib64/libfreebl3.so...Reading symbols from
/usr/lib/debug/lib64/libfreebl3.so.debug...done.
done.
Loaded symbols for /lib64/libfreebl3.so
Reading symbols from /usr/lib64/ldb/memberof.so...Reading symbols from
/usr/lib/debug/usr/lib64/ldb/memberof.so.debug...done.
done.
Loaded symbols for /usr/lib64/ldb/memberof.so
Reading symbols from /usr/lib64/sssd/libsss_ldap.so.1.0.0...Reading symbols
from /usr/lib/debug/usr/lib64/sssd/libsss_ldap.so.1.0.0.debug...done.
done.
Loaded symbols for /usr/lib64/sssd/libsss_ldap.so.1.0.0
Reading symbols from /lib64/libkrb5.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib64/libkrb5.so.3
Reading symbols from /lib64/libk5crypto.so.3...(no debugging symbols
found)...done.
Loaded symbols for /lib64/libk5crypto.so.3
Reading symbols from /lib64/libcom_err.so.2.1...Reading symbols from
/usr/lib/debug/lib64/libcom_err.so.2.1.debug...done.
done.
Loaded symbols for /lib64/libcom_err.so.2.1
Reading symbols from /lib64/libkrb5support.so.0...(no debugging symbols
found)...done.
Loaded symbols for /lib64/libkrb5support.so.0
Reading symbols from /lib64/libkeyutils.so.1.3...Reading symbols from
/usr/lib/debug/lib64/libkeyutils.so.1.3.debug...done.
done.
Loaded symbols for /lib64/libkeyutils.so.1.3
Reading symbols from /lib64/libselinux.so.1...Reading symbols from
/usr/lib/debug/lib64/libselinux.so.1.debug...done.
done.
Loaded symbols for /lib64/libselinux.so.1
Reading symbols from /lib64/libnss_files-2.12.so...Reading symbols from
/usr/lib/debug/lib64/libnss_files-2.12.so.debug...done.
done.
Loaded symbols for /lib64/libnss_files-2.12.so
Core was generated by `/usr/libexec/sssd/sssd_be -d 9 --debug-to-files --domain
default'.
Program terminated with signal 11, Segmentation fault.
#0  be_resolve_server_done (subreq=0x0) at src/providers/data_provider_fo.c:459
459         inet_ntop(srvaddr->h_addrtype, srvaddr->h_addr_list[0],

Thread 1 (Thread 0x7f82cd975700 (LWP 5516)):
#0  be_resolve_server_done (subreq=0x0) at src/providers/data_provider_fo.c:459
        srvaddr = 0x0
        ipaddr =
"\000\000\000\000\000\000\000\000`*\020\002\000\000\000\000\027gh&#450;\177\000\000\v\000\000\000\000\000\000\000\372\277\272M\000\000\000\000*<\002\000\000\000\000\000P$\016\002\000\000\000\000Pm\240\024\063\000\000\000\060N\020\002\000\000\000\000\v\000\000\000\000\000\000\000\020*\020\002\000\000\000\000\234j\240\024\063\000\000\000H}C\000\000\000\000\000`*\020\002",
'\000' <repeats 12 times>, "0\033\340\026\063\000\000"
        req = 0x2104c00
        state = 0x2105850
        callback = <value optimized out>
        ret = 0
        srv_status_change = <value optimized out>
        __FUNCTION__ = "be_resolve_server_done"
#1  0x0000003314a03707 in tevent_common_loop_immediate (ev=0x20e2450) at
tevent_immediate.c:135
        im = 0x2104e30
        handler = 0x3314a046d0 <tevent_req_trigger>
        private_data = 0x2104d70
#2  0x0000003314a0530a in std_event_loop_once (ev=0x20e2450, location=<value
optimized out>) at tevent_standard.c:532
        std_ev = 0x20e2510
        tval = {tv_sec = 0, tv_usec = 0}
#3  0x0000003314a026d0 in _tevent_loop_once (ev=0x20e2450, location=0x43f835
"src/util/server.c:526") at tevent.c:490
        ret = <value optimized out>
        nesting_stack_ptr = 0x0
#4  0x0000003314a0273b in tevent_common_loop_wait (ev=0x20e2450,
location=0x43f835 "src/util/server.c:526") at tevent.c:591
        ret = <value optimized out>
#5  0x00000000004320b1 in server_loop (main_ctx=0x20e35c0) at
src/util/server.c:526
No locals.
#6  0x000000000040e97b in main (argc=6, argv=<value optimized out>) at
src/providers/data_provider_be.c:1333
        opt = <value optimized out>
        pc = <value optimized out>
        be_domain = 0x20e1490 "default"
        srv_name = <value optimized out>
        conf_entry = <value optimized out>
        main_ctx = 0x20e35c0
        ret = 0
        long_options = {{longName = 0x0, shortName = 0 '\000', argInfo = 4, arg
= 0x645d00, val = 0, descrip = 0x4370d2 "Help options:", argDescrip = 0x0}, {
            longName = 0x4370e0 "debug-level", shortName = 100 'd', argInfo =
2, arg = 0x645de0, val = 0, descrip = 0x4370b1 "Debug level", argDescrip =
0x0}, {
            longName = 0x4370ec "debug-to-files", shortName = 102 'f', argInfo
= 0, arg = 0x645de4, val = 0, 
            descrip = 0x437d48 "Send the debug output to files instead of
stderr", argDescrip = 0x0}, {longName = 0x4370fb "debug-timestamps", 
            shortName = 0 '\000', argInfo = 2, arg = 0x645cc0, val = 0, descrip
= 0x4370bd "Add debug timestamps", argDescrip = 0x0}, {
            longName = 0x4386b8 "domain", shortName = 0 '\000', argInfo = 1,
arg = 0x7fffca231d98, val = 0, 
            descrip = 0x437d80 "Domain of the information provider
(mandatory)", argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', argInfo
= 0, arg = 0x0, 
            val = 0, descrip = 0x0, argDescrip = 0x0}}
        __FUNCTION__ = "main"
[root@rhel6-1 ~]#

Expected results:
SSSD should not crash in any case.

Additional info:

[sssd]
config_file_version = 2
reconnection_retries = 3
sbus_timeout = 30
services = nss, pam
domains = default
debug_level = 9

[nss]
filter_groups = root
filter_users = root
reconnection_retries = 3
debug_level = 9

[pam]
reconnection_retries = 3

[domain/default]
id_provider = ldap
auth_provider = ldap
ldap_uri = ldap://
ldap_search_base = dc=example,dc=com
ldap_tls_reqcert = demand
ldap_tls_cacertdir = /etc/openldap/cacerts
ldap_tls_cacert = /etc/openldap/cacerts/cacert.asc

cache_credentials = true
enumerate = true
debug_level = 9

Fields changed

milestone: NEEDS_TRIAGE => SSSD 1.5.12

Fields changed

owner: somebody => jhrozek

Fields changed

patch: 0 => 1
status: new => assigned

master: a9fac77

sssd-1.5: 71c8163

Fields changed

resolution: => fixed
status: assigned => closed

Fields changed

rhbz: => [https://bugzilla.redhat.com/show_bug.cgi?id=700828 700828]

Metadata Update from @sgallagh:
- Issue assigned to jhrozek
- Issue set to the milestone: SSSD 1.5.12
7 years ago

SSSD is moving from Pagure to Github. This means that new issues and pull requests
will be accepted only in SSSD's github repository.

This issue has been cloned to Github and is available here:
- https://github.com/SSSD/sssd/issues/1953

If you want to receive further updates on the issue, please navigate to the github issue
and click on subscribe button.

Thank you for understanding. We apologize for all inconvenience.

Login to comment on this ticket.

Metadata
None
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None
critical
defect
LDAP Provider
1.5.8
None
0
1
https://bugzilla.redhat.com/show_bug.cgi?id=700828
None
None
None
None
None
None
None
None
None
None
None
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