** Description changed: Binary package hint: samba This box was configured as a domain member on a window2k8 Active - Directory domain. It was recently upgraded from Intrepid 9.04 , running - samba 2:3.2.3-1ubuntu3.6, to Jaunty 9.10, running 2:3.3.2-1ubuntu3.2, + Directory domain. It was recently upgraded from Intrepid 8.10 , running + samba 2:3.2.3-1ubuntu3.6, to Jaunty 9.04, running 2:3.3.2-1ubuntu3.2, and now the winbind daemon frequently crashes on authentication (but occasionally it will work for several auths with no problem). # lsb_release -rd Description: Ubuntu 9.04 Release: 9.04 # apt-cache policy winbind winbind: - Installed: 2:3.3.2-1ubuntu3.2 - Candidate: 2:3.3.2-1ubuntu3.2 - Version table: - *** 2:3.3.2-1ubuntu3.2 0 - 500 http://za.archive.ubuntu.com jaunty-updates/main Packages - 500 http://za.archive.ubuntu.com jaunty-security/main Packages - 100 /var/lib/dpkg/status - 2:3.3.2-1ubuntu3 0 - 500 http://za.archive.ubuntu.com jaunty/main Packages + Installed: 2:3.3.2-1ubuntu3.2 + Candidate: 2:3.3.2-1ubuntu3.2 + Version table: + *** 2:3.3.2-1ubuntu3.2 0 + 500 http://za.archive.ubuntu.com jaunty-updates/main Packages + 500 http://za.archive.ubuntu.com jaunty-security/main Packages + 100 /var/lib/dpkg/status + 2:3.3.2-1ubuntu3 0 + 500 http://za.archive.ubuntu.com jaunty/main Packages To reproduce the problem: # wbinfo -t checking the trust secret via RPC calls succeeded # wbinfo -a john Enter john's password: plaintext password authentication succeeded Enter john's password:^C Interupted by signal. /var/log/auth.log shows the authentication as successful... Jan 5 09:56:24 havelock sshd[8729]: pam_winbind(sshd:auth): user 'john' granted access ... but /var/log/samba/log.winbindd: (debug 4) indicates the crash [2010/01/05 09:56:24, 3] winbindd/winbindd_pam.c:winbindd_pam_auth(827) - [ 8729]: pam auth john + [ 8729]: pam auth john *** glibc detected *** /usr/sbin/winbindd: double free or corruption (!prev): 0x00007faef5b91d90 *** ======= Backtrace: ========= /lib/libc.so.6[0x7faef1465cb8] /lib/libc.so.6(cfree+0x76)[0x7faef1468276] /usr/lib/libtalloc.so.1[0x7faef196f888] /usr/lib/libtalloc.so.1(talloc_free+0xd8)[0x7faef1971b38] /usr/sbin/winbindd[0x7faef37dacd7] /usr/sbin/winbindd[0x7faef37db443] /usr/sbin/winbindd(main+0xd6a)[0x7faef37dc299] /lib/libc.so.6(__libc_start_main+0xe6)[0x7faef140c5a6] /usr/sbin/winbindd[0x7faef37da249] - - - I have duplicated the box as a vm, and upgraded that to Karmic, which has the same symptom, although with a slightly different error. I -think- the problems are related, so I'll include it : + I have duplicated the box as a vm, and upgraded that to Karmic, which + has the same symptom, although with a slightly different error. I + -think- the problems are related, so I'll include it : Description: Ubuntu 9.10 Release: 9.10 winbind: - Installed: 2:3.4.0-3ubuntu5.1 - Candidate: 2:3.4.0-3ubuntu5.1 - Version table: - *** 2:3.4.0-3ubuntu5.1 0 - 500 http://za.archive.ubuntu.com karmic-updates/main Packages - 100 /var/lib/dpkg/status - 2:3.4.0-3ubuntu5 0 - 500 http://za.archive.ubuntu.com karmic/main Packages + Installed: 2:3.4.0-3ubuntu5.1 + Candidate: 2:3.4.0-3ubuntu5.1 + Version table: + *** 2:3.4.0-3ubuntu5.1 0 + 500 http://za.archive.ubuntu.com karmic-updates/main Packages + 100 /var/lib/dpkg/status + 2:3.4.0-3ubuntu5 0 + 500 http://za.archive.ubuntu.com karmic/main Packages On any winbind authentication: ssh, console login, wbinfo -a /var/log/auth.log: pam_winbind.so debug Jan 5 10:40:23 testhavelock sshd[3306]: pam_winbind(sshd:auth): Verify user 'john' Jan 5 10:40:23 testhavelock sshd[3306]: pam_winbind(sshd:auth): request wbcLogonUser succeeded Jan 5 10:40:23 testhavelock sshd[3306]: pam_winbind(sshd:auth): user 'john' granted access Jan 5 10:40:23 testhavelock sshd[3306]: pam_winbind(sshd:auth): Returned user was 'john' Jan 5 10:40:23 testhavelock sshd[3306]: pam_winbind(sshd:auth): [pamh: 0x7f59513206c0] LEAVE: pam_sm_authenticate returning 0 (PAM_SUCCESS) Jan 5 10:40:23 testhavelock sshd[3306]: pam_winbind(sshd:account): [pamh: 0x7f59513206c0] ENTER: pam_sm_acct_mgmt (flags: 0x0000) /var/log/samba/log.winbindd: (debug 10) [2010/01/05 10:40:23, 3] winbindd/winbindd_pam.c:827(winbindd_pam_auth) - [ 3306]: pam auth john + [ 3306]: pam auth john [2010/01/05 10:40:23, 10] winbindd/winbindd_cache.c:492(refresh_sequence_number) - refresh_sequence_number: FFAD time ok + refresh_sequence_number: FFAD time ok [2010/01/05 10:40:23, 10] winbindd/winbindd_cache.c:537(refresh_sequence_number) - refresh_sequence_number: FFAD seq number is now 207165758 + refresh_sequence_number: FFAD seq number is now 207165758 [2010/01/05 10:40:23, 5] winbindd/winbindd_cache.c:1161(resolve_alias_to_username) - resolve_alias_to_username: backend query returned NT_STATUS_NOT_IMPLEMENTED + resolve_alias_to_username: backend query returned NT_STATUS_NOT_IMPLEMENTED [2010/01/05 10:40:23, 10] winbindd/winbindd_dual.c:125(async_request) - Sending request to child pid 3296 (domain=FFAD) + Sending request to child pid 3296 (domain=FFAD) [2010/01/05 10:40:23, 10] winbindd/winbindd_cache.c:2667(cache_retrieve_response) - Retrieving response for pid 3296 + Retrieving response for pid 3296 [2010/01/05 10:40:23, 10] winbindd/winbindd_cache.c:2689(cache_retrieve_response) - Retrieving extra data length=222 + Retrieving extra data length=222 [2010/01/05 10:40:23, 6] winbindd/winbindd.c:834(new_connection) - accepted socket 21 + accepted socket 21 *** glibc detected *** /usr/sbin/winbindd: corrupted double-linked list: 0x00007fe687b142b0 *** ======= Backtrace: ========= /lib/libc.so.6[0x7fe68401fdd6] /lib/libc.so.6[0x7fe6840201f2] /lib/libc.so.6[0x7fe6840224c9] /lib/libc.so.6(__libc_malloc+0x6e)[0x7fe6840247ee] /usr/lib/libtalloc.so.1(_talloc_zero+0x16d)[0x7fe68474166d] /usr/sbin/winbindd[0x7fe6863b8b8b] /usr/sbin/winbindd(run_events+0x139)[0x7fe68647bd99] /usr/sbin/winbindd(main+0xb5b)[0x7fe6863ba04b] /lib/libc.so.6(__libc_start_main+0xfd)[0x7fe683fc8abd] /usr/sbin/winbindd[0x7fe6863b7a69] - More detailed logs and GDB backtraces are attached.
-- winbind crashes on authentication (winbind_pam_auth) https://bugs.launchpad.net/bugs/503402 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
