[Bug 686627] [NEW] Samba server crashes on file read.

[Manolo Cabezabolo]

Public bug reported:

Binary package hint: samba

#lsb_release -rd
Description:	Ubuntu 10.04.1 LTS
Release:	10.04

root at tulga:~# apt-cache policy samba
samba:
  Instalados: 2:3.4.7~dfsg-1ubuntu3.2
  Candidato: 2:3.4.7~dfsg-1ubuntu3.2
  Tabla de versión:
 *** 2:3.4.7~dfsg-1ubuntu3.2 0
        500 http://es.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages
        500 http://es.archive.ubuntu.com/ubuntu/ lucid-security/main Packages
        100 /var/lib/dpkg/status
     2:3.4.7~dfsg-1ubuntu3 0
        500 http://es.archive.ubuntu.com/ubuntu/ lucid/main Packages

[Thread debugging using libthread_db enabled]
0x0060a422 in __kernel_vsyscall ()
#0  0x0060a422 in __kernel_vsyscall ()
#1  0x00ffe7d3 in waitpid () from /lib/tls/i686/cmov/libc.so.6
#2  0x00f9fde3 in ?? () from /lib/tls/i686/cmov/libc.so.6
#3  0x0013f27d in system () from /lib/tls/i686/cmov/libpthread.so.0
#4  0x00b2076d in smb_panic (why=0xec66e2 "internal error") at lib/util.c:1486
#5  0x00b0dc8e 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  0x00fda7a0 in ?? () from /lib/tls/i686/cmov/libc.so.6
#9  0x00af5cc8 in rep_strlcpy (d=0xbfd7356c "", s=0x0, bufsize=256)
   at ../lib/replace/replace.c:65
#10 0x00b2eed7 in connections_fetch_entry (mem_ctx=0x0, conn=0x21656960,
   name=0x0) at lib/conn_tdb.c:65
#11 0x0089091f in yield_connection (conn=0x21656960, name=0x0)
   at smbd/connection.c:33
#12 0x0090509e in close_cnum (conn=0x21656960, vuid=100) at smbd/service.c:1245
#13 0x008b7818 in reply_tdis (req=0x2165d280) at smbd/reply.c:4747
#14 0x00903c0e in switch_message (type=<value optimized out>, req=0x2165d280,
   size=39) at smbd/process.c:1377
#15 0x0090407d 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 0x00904958 in smbd_server_connection_read_handler (ev=0x21648050,
   fde=0x215a9e18, flags=<value optimized out>, private_data=0x215a9368)
   at smbd/process.c:1887
#18 smbd_server_connection_handler (ev=0x21648050, fde=0x215a9e18,
   flags=<value optimized out>, private_data=0x215a9368)
   at smbd/process.c:1901
#19 0x00b31d24 in run_events (ev=0x21648050, selrtn=1, read_fds=0xbfd73a6c,
   write_fds=0xbfd739ec) at lib/events.c:126
#20 0x009034a2 in smbd_server_connection_loop_once () at smbd/process.c:820
#21 smbd_process () at smbd/process.c:2178
#22 0x00e06a38 in smbd_accept_connection (ev=0x21648050, fde=0x2165a788,
   flags=1, private_data=0x2165ae10) at smbd/server.c:395
#23 0x00b31d24 in run_events (ev=0x21648050, selrtn=1, read_fds=0xbfd73d7c,
   write_fds=0xbfd73cfc) at lib/events.c:126
#24 0x00b31fcf in s3_event_loop_once (ev=0x21648050,
   location=0xf500cb "smbd/server.c:681") at lib/events.c:185
#25 0x00b32618 in _tevent_loop_once (ev=0x21648050,
   location=0xf500cb "smbd/server.c:681") at ../lib/tevent/tevent.c:490
#26 0x00e0777a in smbd_parent_loop (argc=2, argv=0xbfd741b4)
   at smbd/server.c:681
#27 main (argc=2, argv=0xbfd741b4) at smbd/server.c:1251
A debugging session is active.

       Inferior 1 [process 2892] will be detached.

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

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

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https://bugs.launchpad.net/bugs/686627

Title:
  Samba server crashes on file read.