[Pkg-samba-maint] Bug#653382: samba: Samba daemon crashes when browsing shares as a guest user

[Ilari Stenroth]

Package: samba
Version: 2:3.6.1-3
Severity: important

Dear Maintainer,

Samba daemon crashes when browsing SMB shares as a guest user with OS X 10.6.8 Finder.

Panic action script called gdb and it returned:

[Thread debugging using libthread_db enabled]
0x00007fb09be88dfe in waitpid () from /lib/x86_64-linux-gnu/libc.so.6
#0  0x00007fb09be88dfe in waitpid () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fb09be21a29 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fb09f4ceecc in smb_panic (why=<optimized out>) at lib/util.c:1123
#3  0x00007fb09f4c01e8 in fault_report (sig=11) at lib/fault.c:53
#4  sig_fault (sig=11) at lib/fault.c:76
#5  <signal handler called>
#6  copy_serverinfo (mem_ctx=<optimized out>, src=0x0) at auth/auth_util.c:856
#7  0x00007fb09f523990 in make_server_info_guest (mem_ctx=<optimized out>, server_info=0x7fffb17390d8) at auth/auth_util.c:934
#8  0x00007fb09f1eac8d in do_map_to_guest (status=..., server_info=0x7fffb17390d8, user=0x7fb0a1ad9830 "GUEST", domain=0x7fb0a1ad2ae0 "EARTH") at smbd/sesssetup
.c:64
#9  0x00007fb09f1eaf74 in reply_spnego_ntlmssp (req=0x7fb0a1af5300, vuid=100, auth_ntlmssp_state=0x7fb0a1ad1ea0, ntlmssp_blob=0x7fffb1739210, nt_status=..., OID
=0x0, wrap=true) at smbd/sesssetup.c:493
#10 0x00007fb09f1ecb97 in reply_spnego_auth (auth_ntlmssp_state=<optimized out>, blob1=..., vuid=<optimized out>, req=0x7fb0a1af5300) at smbd/sesssetup.c:806
#11 reply_sesssetup_and_X_spnego (req=0x7fb0a1af5300) at smbd/sesssetup.c:1192
#12 reply_sesssetup_and_X (req=0x7fb0a1af5300) at smbd/sesssetup.c:1354
#13 0x00007fb09f225f84 in switch_message (type=115 's', req=0x7fb0a1af5300, size=412) at smbd/process.c:1573
#14 0x00007fb09f22639b in construct_reply (deferred_pcd=0x0, encrypted=false, seqnum=<optimized out>, unread_bytes=0, size=412, inbuf=0x0, sconn=0x7fb0a1ac8b50)
 at smbd/process.c:1609
#15 process_smb (sconn=0x7fb0a1ac8b50, inbuf=<optimized out>, nread=412, unread_bytes=0, seqnum=<optimized out>, encrypted=false, deferred_pcd=0x0) at smbd/proc
ess.c:1687
#16 0x00007fb09f2267b3 in smbd_server_connection_read_handler (conn=0x7fb0a1ac8b50, fd=26) at smbd/process.c:2316
#17 0x00007fb09f4deb8e in run_events_poll (num_pfds=2, pfds=0x7fb0a1ad1960, pollrtn=<optimized out>, ev=0x7fb0a1ac8a90) at lib/events.c:286
#18 run_events_poll (ev=0x7fb0a1ac8a90, pollrtn=<optimized out>, pfds=0x7fb0a1ad1960, num_pfds=2) at lib/events.c:184
#19 0x00007fb09f227f4a in smbd_server_connection_loop_once (conn=0x7fb0a1ac8b50) at smbd/process.c:1016
#20 smbd_process (sconn=0x7fb0a1ac8b50) at smbd/process.c:3157
#21 0x00007fb09f741ddf in smbd_accept_connection (ev=<optimized out>, fde=<optimized out>, flags=<optimized out>, private_data=<optimized out>) at smbd/server.c
:505
#22 0x00007fb09f4deb8e in run_events_poll (num_pfds=3, pfds=0x7fb0a1acae50, pollrtn=<optimized out>, ev=0x7fb0a1ac8a90) at lib/events.c:286
#23 run_events_poll (ev=0x7fb0a1ac8a90, pollrtn=<optimized out>, pfds=0x7fb0a1acae50, num_pfds=3) at lib/events.c:184
#24 0x00007fb09f4ded2a in s3_event_loop_once (ev=0x7fb0a1ac8a90, location=<optimized out>) at lib/events.c:349
#25 0x00007fb09f4df8b0 in _tevent_loop_once (ev=0x7fb0a1ac8a90, location=0x7fb09f9492e4 "smbd/server.c:838") at ../lib/tevent/tevent.c:494
#26 0x00007fb09f1a60c6 in smbd_parent_loop (parent=<optimized out>) at smbd/server.c:838
#27 main (argc=<optimized out>, argv=<optimized out>) at smbd/server.c:1320
A debugging session is active.


-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.1.6 (SMP w/2 CPU cores)
Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages samba depends on:
ii  adduser                3.113
ii  debconf [debconf-2.0]  1.5.41
ii  libacl1                2.2.51-5
ii  libattr1               1:2.4.46-5
ii  libc6                  2.13-23
ii  libcap2                1:2.22-1
ii  libcomerr2             1.42-1
ii  libcups2               1.5.0-13
ii  libgssapi-krb5-2       1.10+dfsg~alpha1-6
ii  libk5crypto3           1.10+dfsg~alpha1-6
ii  libkrb5-3              1.10+dfsg~alpha1-6
ii  libldap-2.4-2          2.4.25-4+b1
ii  libpam-modules         1.1.3-6
ii  libpam-runtime         1.1.3-6
ii  libpam0g               1.1.3-6
ii  libpopt0               1.16-1
ii  libtalloc2             2.0.7-3
ii  libtdb1                1.2.9-4+b1
ii  libwbclient0           2:3.6.1-3
ii  lsb-base               3.2-28
ii  procps                 1:3.2.8-11
ii  samba-common           2:3.6.1-3
ii  update-inetd           4.41
ii  zlib1g                 1:1.2.3.4.dfsg-3

Versions of packages samba recommends:
ii  logrotate  3.8.1-1
ii  tdb-tools  1.2.9-4+b1

Versions of packages samba suggests:
pn  ctdb                              <none>
pn  ldb-tools                         <none>
pn  openbsd-inetd | inet-superserver  <none>
pn  smbldap-tools                     <none>

-- debconf information:
  samba/run_mode: daemons
  samba/generate_smbpasswd: true
  samba-common/title: