[Bug 122130] Re: [Dapper] Segfault in Samba

[Maarten Bezemer]

Thank you for taking the time to report this bug and helping to make
Ubuntu better. We are sorry that we do not always have the capacity to
look at all reported bugs in a timely manner. There have been many
changes in Ubuntu since that time you reported the bug and your problem
may have been fixed with some of the updates. It would help us a lot if
you could test it on a currently supported Ubuntu version. When you test
it and it is still an issue, kindly upload the updated logs by running
apport-collect 122130 and any other logs that are relevant for this
particular issue.

** Changed in: samba (Ubuntu)
       Status: Triaged => Incomplete

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https://bugs.launchpad.net/bugs/122130

Title:
  [Dapper] Segfault in Samba

Status in “samba” package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: samba

  The machine is AMD64 running Ubuntu 6.06 LTS. It's configured as a
  domain member in our Windows Active Directory Domain. It's configured
  as a print server. It's using CUPS as it's printer backend. The
  backtrace from the samba panic action script appears to be printer
  related. The printer mentioned in the backtrace (lrcpr01) is a Lanier
  5518 Photocopier. It natively supports Postscript and this is how
  Windows clients and CUPS transfer print jobs to it.

  The Samba 'panic action' script, /usr/share/samba/panic-action,
  was called for pid 24902 (/usr/sbin/smbd).

  Below is a backtrace for this process generated with gdb, which shows
  the state of the program at the time the error occurred.

  If the problem persists, you are encouraged to first install the
  samba-dbg package which contains the debugging symbols for samba
  binaries. Then, submit the provided information as a bug report to Ubuntu.
  For information about the procedure for submitting bug reports, please
  see http://www.ubuntulinux.org/support/bugs/document_view

  Using host libthread_db library "/lib/libthread_db.so.1".
  [Thread debugging using libthread_db enabled]
  [New Thread 46912528367344 (LWP 24902)]
  0x00002aaaac0ac0c4 in waitpid () from /lib/libc.so.6
  #0  0x00002aaaac0ac0c4 in waitpid () from /lib/libc.so.6
  #1  0x00002aaaac0565ff in strtold_l () from /lib/libc.so.6
  #2  0x00000000005c1304 in smb_panic2 (why=0x6a811c "internal error",
      decrement_pid_count=<value optimized out>) at lib/util.c:1545
  #3  0x00000000005ae427 in sig_fault (sig=11) at lib/fault.c:42
  #4  <signal handler called>
  #5  0x00002aaaac085c05 in free () from /lib/libc.so.6
  #6  0x00000000005e4886 in free_nt_devicemode (devmode_ptr=0x7fffffa27558)
      at printing/nt_printing.c:2547
  #7  0x00000000005dc542 in traverse_fn_delete (t=<value optimized out>, key=
        {dptr = 0x90f8f0 "�\f", dsize = 4}, data=
        {dptr = 0x90f8f4 "i\027", dsize = 1464}, state=0x7fffffa27bd0)
      at printing/printing.c:715
  #8  0x00000000005d4e36 in tdb_traverse (tdb=0x90afe0,
      fn=0x5dc4a0 <traverse_fn_delete>, private_val=0x7fffffa27bd0)
      at tdb/tdb.c:1402
  #9  0x00000000005dd2eb in print_queue_update_with_lock (
      sharename=0x7fffffa284c0 "lrcpr01", current_printif=0x81e9c0,
      lpq_command=0x7fffffa280c0 "lrcpr01", lprm_command=0x7fffffa27cc0 "")
      at printing/printing.c:1209
  #10 0x00000000005dde82 in print_queue_receive (msg_type=<value optimized out>,
      src=<value optimized out>, buf=<value optimized out>,
      msglen=<value optimized out>) at printing/printing.c:1365
  #11 0x00000000005cae96 in message_dispatch () at lib/messages.c:454
  #12 0x00000000005db594 in start_background_queue () at printing/printing.c:1420
  #13 0x0000000000646053 in main (argc=2, argv=0x1) at smbd/server.c:914

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