[Pkg-samba-maint] Bug#929268: samba: Samba segfault

[rollopack]

Package: samba
Version: 2:4.5.16+dfsg-1+deb9u2
Severity: normal

After the last upgrade of samba we recieve some segfault.

-- System Information:
Debian Release: 9.9
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-9-amd64 (SMP w/12 CPU cores)
Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), LANGUAGE=it_IT.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages samba depends on:
ii  adduser              3.115
ii  dpkg                 1.18.25
ii  init-system-helpers  1.48
ii  libbsd0              0.8.3-1
ii  libc6                2.24-11+deb9u4
ii  libldb1              2:1.1.27-1+deb9u1
ii  libpam-modules       1.1.8-3.6
ii  libpam-runtime       1.1.8-3.6
ii  libpopt0             1.16-10+b2
ii  libpython2.7         2.7.13-2+deb9u3
ii  libtalloc2           2.1.8-1
ii  libtdb1              1.3.11-2
ii  libtevent0           0.9.31-1
ii  libwbclient0         2:4.5.16+dfsg-1+deb9u2
ii  lsb-base             9.20161125
ii  procps               2:3.3.12-3+deb9u1
ii  python               2.7.13-2
ii  python-dnspython     1.15.0-1+deb9u1
ii  python-samba         2:4.5.16+dfsg-1+deb9u2
ii  python2.7            2.7.13-2+deb9u3
ii  samba-common         2:4.5.16+dfsg-1+deb9u2
ii  samba-common-bin     2:4.5.16+dfsg-1+deb9u2
ii  samba-libs           2:4.5.16+dfsg-1+deb9u2
ii  tdb-tools            1.3.11-2
ii  update-inetd         4.44

Versions of packages samba recommends:
ii  attr                1:2.4.47-2+b2
ii  logrotate           3.11.0-0.1
ii  samba-dsdb-modules  2:4.5.16+dfsg-1+deb9u2
ii  samba-vfs-modules   2:4.5.16+dfsg-1+deb9u2

Versions of packages samba suggests:
pn  bind9          <none>
pn  bind9utils     <none>
pn  ctdb           <none>
pn  ldb-tools      <none>
ii  ntp            1:4.2.8p10+dfsg-3+deb9u2
pn  smbldap-tools  <none>
pn  ufw            <none>
ii  winbind        2:4.5.16+dfsg-1+deb9u2

-- Configuration Files:
/etc/logrotate.d/samba changed [not included]

-- no debconf information

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f9cb561fffa in __GI___waitpid (pid=30937, stat_loc=stat_loc at entry=0x7fff0bf81b10, options=options at entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
#0  0x00007f9cb561fffa in __GI___waitpid (pid=30937, stat_loc=stat_loc at entry=0x7fff0bf81b10, options=options at entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
#1  0x00007f9cb55a70ab in do_system (line=<optimized out>) at ../sysdeps/posix/system.c:148
#2  0x00007f9cb6cd0d31 in smb_panic_s3 () from /usr/lib/x86_64-linux-gnu/libsmbconf.so.0
#3  0x00007f9cb91ed19f in smb_panic () from /usr/lib/x86_64-linux-gnu/libsamba-util.so.0
#4  0x00007f9cb91ed3b6 in ?? () from /usr/lib/x86_64-linux-gnu/libsamba-util.so.0
#5  <signal handler called>
#6  0x00007f9cb8ddf77b in smbXsrv_session_create () from /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0
#7  0x00007f9cb8d73a17 in reply_sesssetup_and_X () from /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0
#8  0x00007f9cb8db1086 in ?? () from /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0
#9  0x00007f9cb8db34ba in ?? () from /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0
#10 0x00007f9cb8db44ac in ?? () from /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0
#11 0x00007f9cb5911ea3 in ?? () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#12 0x00007f9cb5910277 in ?? () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#13 0x00007f9cb590c04d in _tevent_loop_once () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#14 0x00007f9cb590c27b in tevent_common_loop_wait () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#15 0x00007f9cb5910217 in ?? () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#16 0x00007f9cb8db57d9 in smbd_process () from /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0
#17 0x0000560c4d00f7b4 in ?? ()
#18 0x00007f9cb5911ea3 in ?? () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#19 0x00007f9cb5910277 in ?? () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#20 0x00007f9cb590c04d in _tevent_loop_once () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#21 0x00007f9cb590c27b in tevent_common_loop_wait () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#22 0x00007f9cb5910217 in ?? () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#23 0x0000560c4d00c4f4 in main ()