[Bug 453180] [NEW] PC authenticating causes Samba crash

[swests]

Public bug reported:

Binary package hint: samba

The Samba 'panic action' script, /usr/share/samba/panic-action, was
called for PID 3496 (/usr/sbin/winbindd).

This means there was a problem with the program, such as a segfault.
Below is a backtrace for this process generated with gdb, which shows the state of the program at the time the error occurred.  The Samba log files may contain additional information about the problem.

If the problem persists, you are encouraged to first install the samba-dbg package, which contains the debugging symbols for the Samba binaries.  Then submit the provided information as a bug report to Ubuntu by visiting this link:
https://launchpad.net/ubuntu/+source/samba/+filebug

[Thread debugging using libthread_db enabled] [New Thread 0x7f8a0e1ab700 (LWP 3496)]
0x00007f8a0c109fd5 in waitpid () from /lib/libc.so.6 #0  0x00007f8a0c109fd5 in waitpid () from /lib/libc.so.6
#1  0x00007f8a0c0a24a1 in ?? () from /lib/libc.so.6
#2  0x00007f8a0e2baee8 in smb_panic () from /usr/sbin/winbindd
#3  0x00007f8a0e2a9df4 in sig_fault () from /usr/sbin/winbindd
#4  <signal handler called>
#5  0x00007f8a0e3cfb2e in ads_pull_string () from /usr/sbin/winbindd
#6  0x00007f8a0a46ad47 in ?? () from /usr/lib/samba/nss_info/rfc2307.so
#7  0x00007f8a0e3f2e4b in nss_get_info () from /usr/sbin/winbindd
#8  0x00007f8a0e23ba3c in nss_get_info_cached () from /usr/sbin/winbindd
#9  0x00007f8a0e24f860 in query_user () from /usr/sbin/winbindd #10 0x00007f8a0e23a2b1 in query_user () from /usr/sbin/winbindd
#11 0x00007f8a0e22c2cf in winbindd_dual_userinfo () from /usr/sbin/winbindd
#12 0x00007f8a0e254407 in fork_domain_child () from /usr/sbin/winbindd
#13 0x00007f8a0e2545d5 in schedule_async_request () from /usr/sbin/winbindd
#14 0x00007f8a0e254757 in winbind_child_died () from /usr/sbin/winbindd
#15 0x00007f8a0e25486f in async_request_fail () from /usr/sbin/winbindd
#16 0x00007f8a0e254b3b in async_reply_recv () from /usr/sbin/winbindd
#17 0x00007f8a0e228edd in rw_callback () from /usr/sbin/winbindd
#18 0x00007f8a0e229de9 in main () from /usr/sbin/winbindd The program is running.  Quit anyway (and detach it)? (y or n) [answered Y; input not from terminal]

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

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PC authenticating causes Samba crash
https://bugs.launchpad.net/bugs/453180
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