[Bug 1187001] [NEW] saslauthd[26791]: segfault at 0 ip b71de6f1 sp bfcd2d9c error 4 in libc-2.17.so[b7160000+1ad000]

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The mail server (raring 13.04 headless) is getting a dictionary attack
and saslauthd is crashing with fault in libc

thus;

/var/log/auth.log

Jun  3 11:27:41 ubuntu saslauthd[26789]: do_auth         : auth failure: [user=admin] [service=smtp] [realm=] [$
Jun  3 11:27:44 ubuntu saslauthd[26790]: do_auth         : auth failure: [user=test] [service=smtp] [realm=] [m$
Jun  3 11:27:48 ubuntu saslauthd[26793]: do_auth         : auth failure: [user=www] [service=smtp] [realm=] [me$
Jun  3 11:27:51 ubuntu saslauthd[26789]: do_auth         : auth failure: [user=testuser] [service=smtp] [realm=$
Jun  3 11:27:54 ubuntu saslauthd[26790]: do_auth         : auth failure: [user=webadmin] [service=smtp] [realm=$

/var/log/mail.log
Jun  3 11:27:41 ubuntu postfix/smtpd[1324]: warning: mail.yokozunanet.mn[203.34.37.30]: SASL LOGIN authenticati$
Jun  3 11:27:42 ubuntu postfix/smtpd[1327]: connect from mail.yokozunanet.mn[203.34.37.30]
Jun  3 11:27:44 ubuntu postfix/smtpd[1327]: warning: mail.yokozunanet.mn[203.34.37.30]: SASL LOGIN authenticati$
Jun  3 11:27:45 ubuntu postfix/smtpd[1328]: connect from mail.yokozunanet.mn[203.34.37.30]
Jun  3 11:27:48 ubuntu postfix/smtpd[1328]: warning: mail.yokozunanet.mn[203.34.37.30]: SASL LOGIN authenticati$
Jun  3 11:27:49 ubuntu postfix/smtpd[1330]: connect from mail.yokozunanet.mn[203.34.37.30]
Jun  3 11:27:51 ubuntu postfix/smtpd[1330]: warning: mail.yokozunanet.mn[203.34.37.30]: SASL LOGIN authenticati$
Jun  3 11:27:52 ubuntu postfix/smtpd[1335]: connect from mail.yokozunanet.mn[203.34.37.30]
Jun  3 11:27:54 ubuntu postfix/smtpd[1335]: warning: mail.yokozunanet.mn[203.34.37.30]: SASL LOGIN authenticati$

After a time saslauthd service dies, this is from dmesg

[775847.232115] saslauthd[26791]: segfault at 0 ip b71de6f1 sp bfcd2d9c error 4 in libc-2.17.so[b7160000+1ad000]
[775856.870264] saslauthd[26790]: segfault at 0 ip b71de6f1 sp bfcd2d9c error 4 in libc-2.17.so[b7160000+1ad000]
[775876.100629] saslauthd[26789]: segfault at 0 ip b71de6f1 sp bfcd2d9c error 4 in libc-2.17.so[b7160000+1ad000]
[775882.604389] saslauthd[26793]: segfault at 0 ip b71de6f1 sp bfcd2d9c error 4 in libc-2.17.so[b7160000+1ad000]
[775915.757471] saslauthd[26792]: segfault at 0 ip b71de6f1 sp bfcd2d9c error 4 in libc-2.17.so[b7160000+1ad000]

uname
Linux ubuntu 3.8.0-22-generic #33-Ubuntu SMP Thu May 16 15:17:59 UTC 2013 i686 i686 i686 GNU/Linux

** Affects: cyrus-sasl2 (Ubuntu)
     Importance: Undecided
         Status: New

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saslauthd[26791]: segfault at 0 ip b71de6f1 sp bfcd2d9c error 4 in libc-2.17.so[b7160000+1ad000]
https://bugs.launchpad.net/bugs/1187001
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