[Bug 1191520] Re: A get a mail with subject "Panic or segfault in Samba" and the request to send informations here.

[Yolanda Robla]

*** This bug is a duplicate of bug 805937 ***
    https://bugs.launchpad.net/bugs/805937

** This bug has been marked a duplicate of bug 805937
   smbd segfaults at least twice a day

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https://bugs.launchpad.net/bugs/1191520

Title:
  A get a mail with subject "Panic or segfault in Samba" and the request
  to send informations here.

Status in “samba” package in Ubuntu:
  New

Bug description:
  Informations from mail:

  The Samba 'panic action' script, /usr/share/samba/panic-action,
  was called for PID 5781 (/usr/sbin/smbd).

  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]
  Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
  0xb6d6c424 in __kernel_vsyscall ()
  #0  0xb6d6c424 in __kernel_vsyscall ()
  #1  0xb69cc9e3 in waitpid () from /lib/i386-linux-gnu/libc.so.6
  #2  0xb6953ff3 in ?? () from /lib/i386-linux-gnu/libc.so.6
  #3  0xb71d1e0b in smb_panic (why=0xb75eb705 "internal error") at lib/util.c:1123
  #4  0xb71c0f82 in fault_report (sig=11) at lib/fault.c:53
  #5  sig_fault (sig=11) at lib/fault.c:76
  #6  <signal handler called>
  #7  0xb6a5d126 in ?? () from /lib/i386-linux-gnu/libc.so.6
  #8  0xb71a1e9e in rep_strlcpy (d=0xbffbb12c "", s=0x0, bufsize=256) at ../lib/replace/replace.c:70
  #9  0xb71e054f in connections_fetch_entry (mem_ctx=0xb906f408, conn=0xb9063da8, name=0x0) at lib/conn_tdb.c:63
  #10 0xb6e49218 in yield_connection (conn=0xb9063da8, name=0x0) at smbd/connection.c:37
  #11 0xb6ecc5ac in close_cnum (conn=0xb9063da8, vuid=100) at smbd/service.c:1350
  #12 0xb6e510d7 in conn_close_all (sconn=0xb9057320) at smbd/conn.c:242
  #13 0xb749777e in exit_server_common (how=SERVER_EXIT_NORMAL, reason=0xb74b9185 "failed to receive smb request") at smbd/server_exit.c:104
  #14 0xb7497bee in exit_server_cleanly (explanation=0xb74b9185 "failed to receive smb request") at smbd/server_exit.c:205
  #15 0xb6ec74ef in smbd_server_connection_read_handler (conn=0xb9057320, fd=<optimized out>) at smbd/process.c:2310
  #16 0xb71e4166 in run_events_poll (num_pfds=2, pfds=0xb905b3f0, pollrtn=1, ev=0xb90572b0) at lib/events.c:286
  #17 run_events_poll (ev=0xb90572b0, pollrtn=1, pfds=0xb905b3f0, num_pfds=2) at lib/events.c:184
  #18 0xb6ec8e40 in smbd_server_connection_loop_once (conn=0xb9057320) at smbd/process.c:1017
  #19 smbd_process (sconn=0xb9057320) at smbd/process.c:3158
  #20 0xb7497540 in smbd_accept_connection (ev=0xb90572b0, fde=0xb9065f00, flags=1, private_data=0xb9067f70) at smbd/server.c:511
  #21 0xb71e4166 in run_events_poll (num_pfds=3, pfds=0xb90630c0, pollrtn=1, ev=0xb90572b0) at lib/events.c:286
  #22 run_events_poll (ev=0xb90572b0, pollrtn=1, pfds=0xb90630c0, num_pfds=3) at lib/events.c:184
  #23 0xb71e431b in s3_event_loop_once (ev=0xb90572b0, location=0xb766ec57 "smbd/server.c:844") at lib/events.c:349
  #24 0xb71e50e8 in _tevent_loop_once (ev=0xb90572b0, location=0xb766ec57 "smbd/server.c:844") at ../lib/tevent/tevent.c:494
  #25 0xb6e367d4 in smbd_parent_loop (parent=<optimized out>) at smbd/server.c:844
  #26 main (argc=<error reading variable: Cannot access memory at address 0x31550a71>, argv=<error reading variable: Cannot access memory at address 0x31550a75>) at smbd/server.c:1326
  A debugging session is active.

  Inferior 1 [process 5781] will be detached.

  Quit anyway? (y or n) [answered Y; input not from terminal]

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