[Bug 854457] [NEW] Panic or segfault in Samba every 30 mins

[Chris Haynes]

Public bug reported:

The Samba 'panic action' script, /usr/share/samba/panic-action, is called every 30 mins or so. The message instructs me to report this as a bug here. I am using Samba to connect from Ubuntu 10.04 to Windows 7. The problems have started since replacing a previous Windows XP with this Windows 7. File sharing & printing working OK in both directions.  Samba version is 2.3.4.7.  Stack trace is:
[Thread debugging using libthread_db enabled]
0xb711d430 in __kernel_vsyscall ()
#0  0xb711d430 in __kernel_vsyscall ()
#1  0xb6d0d7d3 in waitpid () from /lib/tls/i686/cmov/libc.so.6
#2  0xb6caede3 in ?? () from /lib/tls/i686/cmov/libc.so.6
#3  0xb6ea927d in system () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb746a8dd in smb_panic (why=0xb78109a2 "internal error")
    at lib/util.c:1486
#5  0xb7457dfe in fault_report (sig=11) at lib/fault.c:52
#6  sig_fault (sig=11) at lib/fault.c:75
#7  <signal handler called>
#8  0xb6ce97a0 in ?? () from /lib/tls/i686/cmov/libc.so.6
#9  0xb743fdf8 in rep_strlcpy (d=0xbff4746c "", s=0x0, bufsize=256)
    at ../lib/replace/replace.c:65
#10 0xb7479137 in connections_fetch_entry (mem_ctx=0x0, conn=0xb8f99700, 
    name=0x0) at lib/conn_tdb.c:65
#11 0xb71da91f in yield_connection (conn=0xb8f99700, name=0x0)
    at smbd/connection.c:33
#12 0xb724f09e in close_cnum (conn=0xb8f99700, vuid=100) at smbd/service.c:1245
#13 0xb7201818 in reply_tdis (req=0xb8fadba8) at smbd/reply.c:4747
#14 0xb724dc0e in switch_message (type=<value optimized out>, req=0xb8fadba8, 
    size=39) at smbd/process.c:1377
#15 0xb724e07d in construct_reply (conn=<value optimized out>, 
    inbuf=<value optimized out>, nread=39, unread_bytes=0, 
    encrypted=<value optimized out>, deferred_pcd=0x0) at smbd/process.c:1408
#16 process_smb (conn=<value optimized out>, inbuf=<value optimized out>, 
    nread=39, unread_bytes=0, encrypted=<value optimized out>, 
    deferred_pcd=0x0) at smbd/process.c:1471
#17 0xb724e958 in smbd_server_connection_read_handler (ev=0xb8f981b8, 
    fde=0xb8f1e830, flags=<value optimized out>, private_data=0xb8f67648)
    at smbd/process.c:1887
#18 smbd_server_connection_handler (ev=0xb8f981b8, fde=0xb8f1e830, 
    flags=<value optimized out>, private_data=0xb8f67648)
    at smbd/process.c:1901
#19 0xb747bf84 in run_events (ev=0xb8f981b8, selrtn=1, read_fds=0xbff4796c, 
    write_fds=0xbff478ec) at lib/events.c:134
#20 0xb724d4a2 in smbd_server_connection_loop_once () at smbd/process.c:820
#21 smbd_process () at smbd/process.c:2178
#22 0xb7750cf8 in smbd_accept_connection (ev=0xb8f981b8, fde=0xb8fab0c0, 
    flags=1, private_data=0xb8fab190) at smbd/server.c:395
#23 0xb747bf84 in run_events (ev=0xb8f981b8, selrtn=1, read_fds=0xbff47c7c, 
    write_fds=0xbff47bfc) at lib/events.c:134
#24 0xb747c23f in s3_event_loop_once (ev=0xb8f981b8, 
    location=0xb789a3ab "smbd/server.c:681") at lib/events.c:193
#25 0xb747c888 in _tevent_loop_once (ev=0xb8f981b8, 
    location=0xb789a3ab "smbd/server.c:681") at ../lib/tevent/tevent.c:490
#26 0xb7751a3a in smbd_parent_loop (argc=2, argv=0xbff480b4)
    at smbd/server.c:681
#27 main (argc=2, argv=0xbff480b4) at smbd/server.c:1251

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

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Title:
  Panic or segfault in Samba every 30 mins

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