Hello BavarianPH, or anyone else affected,

Accepted libxau into bionic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/libxau/1:1.0.8-1ubuntu1 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
bionic to verification-done-bionic. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-bionic. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: libxau (Ubuntu Bionic)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-bionic

You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to libxau in Ubuntu.

  gnome-shell crashed with SIGSEGV in ___vsnprintf_chk()

Status in libxau package in Ubuntu:
  Fix Released
Status in libxau source package in Bionic:
  Fix Committed
Status in libxau source package in Eoan:
  Fix Released
Status in libxau source package in Focal:
  Fix Released

Bug description:

  gnome-shell crashes a lot. Over 41000 times in bionic so far:

  [Test Case]

  None known yet. Just keeping an eye on the above link for regressions.

  [Regression Potential]

  Low. The same fix has been released to newer distros for the past 2
  years already.

  [Other Info]

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: gnome-shell 3.18.4-0ubuntu2
  ProcVersionSignature: Ubuntu 4.4.0-14.30-generic 4.4.5
  Uname: Linux 4.4.0-13-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: GNOME
  Date: Wed Mar 16 17:15:11 2016
  DisplayManager: gdm3
  ExecutablePath: /usr/bin/gnome-shell

  InstallationDate: Installed on 2016-03-13 (6 days ago)
  InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Alpha amd64 
  ProcCmdline: gnome-shell --mode=gdm --wayland --display-server
   PATH=(custom, no user)
   Segfault happened at: 0x7f1ff33f46ab <___vsnprintf_chk+107>: movb   
   PC (0x7f1ff33f46ab) ok
   source "$0x0" ok
   destination "(%r12)" (0x00000000) not located in a known VMA region (needed 
writable region)!
   Stack memory exhausted (SP below stack segment)
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: gnome-shell
   ___vsnprintf_chk (s=0x0, maxlen=<optimized out>, flags=1, slen=<optimized 
out>, format=0x7f1fe54ccae5 "%s%s", args=args@entry=0x7f1fce502da8) at 
   ___snprintf_chk (s=<optimized out>, maxlen=<optimized out>, flags=<optimized 
out>, slen=<optimized out>, format=<optimized out>) at snprintf_chk.c:34
   XauFileName () from /usr/lib/x86_64-linux-gnu/libXau.so.6
   XauGetBestAuthByAddr () from /usr/lib/x86_64-linux-gnu/libXau.so.6
   ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
  Title: gnome-shell crashed with SIGSEGV in ___vsnprintf_chk()
  UpgradeStatus: No upgrade log present (probably fresh install)

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