[Bug 971314] [NEW] 1:4.2.6.p3+dfsg-1ubuntu3 on Precise generates a memory corruption

[olivier.brisson]

Public bug reported:

ntp, from the package ntp-1:4.2.6.p3+dfsg-1ubuntu3 on Precise with KDE,
generates the following error when restarted on the command line with
the command "sudo service ntp restart"

 rapc at rapc-HP-Compaq-dc7800-Small-Form-Factor:/etc/apparmor/init$ sudo service ntp restart
 * Stopping NTP server ntpd
   ...done.
 * Starting NTP server ntpd
*** glibc detected *** lockfile-create: malloc(): memory corruption (fast): 0x0000000000ba40e0 ***  

In syslog, i found this:

[  257.286600] lockfile-create[1340]: segfault at 18 ip 00007f394c218805
sp 00007fffbbc0c0c0 error 4 in libc-2.15.so[7f394c19a000+1b2000]

Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor kernel: [  257.286596] show_signal_msg: 33 callbacks suppressed
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor kernel: [  257.286600] lockfile-create[1340]: segfault at 18 ip 00007f394c218805 sp 00007fffbbc0c0c0 error 4 in libc-2.15.so[7f394c19a000+1b2000]
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2294]: ntpd 4.2.6p3 at 1.2290 Tue Mar  6 15:36:36 UTC 2012 (1)
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2295]: proto: precision = 0.419 usec
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2295]: ntp_io: estimated max descriptors: 2144, initial socket boundary: 16
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2295]: Listen and drop on 0 v4wildcard 0.0.0.0 UDP 123
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2295]: Listen and drop on 1 v6wildcard :: UDP 123
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2295]: Listen normally on 2 lo 127.0.0.1 UDP 123
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2295]: Listen normally on 3 eth0 10.146.19.204 UDP 123
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2295]: Listen normally on 4 eth0 fe80::21f:29ff:fed4:8328 UDP 123
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2295]: Listen normally on 5 lo ::1 UDP 123
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2295]: peers refreshed
Apr  2 09:10:05 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2295]: Listening on routing socket on fd #22 for interface updates
Apr  2 09:15:37 rapc-HP-Compaq-dc7800-Small-Form-Factor ntpd[2295]: ntpd exiting on signal 15


My /etc/ntp.conf has not been changed

** Affects: ntp (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  1:4.2.6.p3+dfsg-1ubuntu3 on Precise generates a memory corruption

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