Public bug reported:

command: sqsh -I /etc/freetds/freetds.conf -Smysrv  -Uknb -Pverysecret
-Dmydb

Expected: Establish a connection to a MSSQL database server, open a
command-line prompt


Instead: cannot connect to database server, no output except: "Segmentation 
fault (core dumped)"

sqsh:
  Installed: 2.1.7-4
  Candidate: 2.1.7-4
  Version table:
 *** 2.1.7-4 500
        500 http://ftp-stud.hs-esslingen.de/ubuntu xenial/universe amd64 
Packages
        100 /var/lib/dpkg/status

Linux myxenial 4.4.0-98-generic #121-Ubuntu SMP Tue Oct 10 14:24:03 UTC 2017 
x86_64 x86_64 x86_64 GNU/Linux
Description:    Ubuntu 16.04.3 LTS
Release:        16.04

GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
Reading symbols from /usr/bin/sqsh...(no debugging symbols found)...done.
[New LWP 14757]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/sqsh -Smyserver -U knb -P verysecret'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x000000000041f2d6 in ?? ()
(gdb) backtrace
#0  0x000000000041f2d6 in ?? ()
#1  0x0000000000404902 in ?? ()
#2  0x00007fc9fd6dc830 in __libc_start_main (main=0x4036c0, argc=5, 
    argv=0x7ffe16658d68, init=<optimized out>, fini=<optimized out>, 
    rtld_fini=<optimized out>, stack_end=0x7ffe16658d58)
    at ../csu/libc-start.c:291
#3  0x0000000000404e48 in ?? ()


Wild guess: 

This morning I have run the software updater, 
a lot of libraries were updated from the standard repos_ 


Nov  1 09:16:23 mysrv AptDaemon: INFO: CommitPackages() was called: 
dbus.Array([dbus.String('linux-headers-4.4.0-98#auto'), 
dbus.String('linux-headers-4.4.0-98-generic#auto'), 
dbus.String('linux-image-4.4.0-98-generic#auto'), 
dbus.String('linux-image-extra-4.4.0-98-generic#auto')], 
signature=dbus.Signature('s')), dbus.Array([dbus.String('')], 
signature=dbus.Signature('s')), dbus.Array([dbus.String('')], 
signature=dbus.Signature('s')), dbus.Array([dbus.String('')], 
signature=dbus.Signature('s')), dbus.Array([dbus.String('grub-common'), 
dbus.String('grub-pc'), dbus.String('grub-pc-bin'), 
dbus.String('grub2-common'), dbus.String('libapache2-mod-php5.6'), 
dbus.String('libapache2-mod-php7.0'), dbus.String('libapache2-mod-php7.1'), 
dbus.String('libgnutls-dev'), dbus.String('libgnutls-openssl27'), 
dbus.String('libgnutls28-dev'), dbus.String('libgnutls30'), 
dbus.String('libgnutls30:i386'), dbus.String('libgnutlsxx28'), 
dbus.String('libnss-myhostname'), dbus.String('libpoppler-glib8'), 
dbus.String('libpoppler58'), dbus.String('libsystemd0'), 
dbus.String('libsystemd0:i386'), dbus.String('libudev-dev'), 
dbus.String('libudev1:i386'), dbus.String('linux-generic'), 
dbus.String('linux-headers-generic'), dbus.String('linux-image-generic'), 
dbus.String('linux-libc-dev'), and many, many more

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

** Summary changed:

- sqsh sefaults at startup (after libc update?)
+ sqsh segfaults at startup (after libc update?)

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https://bugs.launchpad.net/bugs/1729367

Title:
  sqsh segfaults at startup (after libc update?)

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