[Bug 1647710] Re: gnome-shell crashed with SIGSEGV in _int_malloc()

[Daniel van Vugt]

If a program has crashed in malloc then it's already too late to debug.
Unfortunately heap corruption has a delayed effect so even a perfect
backtrace of such a crash won't tell you exactly where the corruption
originated. You would need to use tooling such as Valgrind to debug the
source of the corruption.

** Changed in: gnome-shell (Ubuntu)
       Status: New => Incomplete

** Changed in: glibc (Ubuntu)
       Status: New => Incomplete

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Title:
  gnome-shell crashed with SIGSEGV in _int_malloc()

Status in glibc package in Ubuntu:
  Incomplete
Status in gnome-shell package in Ubuntu:
  Incomplete

Bug description:
  Zesty 64 bits and nvidia-375 driver

  I often get a crash while doing some upgrades; some ends crashing but most of the upgrades do not.
  This is happening since a year or so.
  Today a new 'vim' version has been upgraded, and the crash happened after i've seen the first 'Processing triggers for ...'

  ....
  Setting up vim-gui-common (2:8.0.0095-1ubuntu2) ...
  Processing triggers for mime-support (3.60ubuntu1) ...
  Setting up xxd (2:8.0.0095-1ubuntu2) ...
  Processing triggers for desktop-file-utils (0.23-1ubuntu1) ...
  Setting up pinentry-gnome3 (1.0.0-1) ...
  Setting up vim-common (2:8.0.0095-1ubuntu2) ...
  Processing triggers for man-db (2.7.5-2) ...
  Setting up vim-runtime (2:8.0.0095-1ubuntu2) ...
  Processing triggers for gnome-menus (3.13.3-6ubuntu4) ...
  Processing triggers for hicolor-icon-theme (0.15-1) ...
  Setting up vim-gtk3 (2:8.0.0095-1ubuntu2) ...
  Setting up vim-tiny (2:8.0.0095-1ubuntu2) ...

  so it seems that something in the upgrading scripts makes G-S crashing.
  But the real package to blame might be an other one.

  As apport does not send itself the details, i'm joining the crash file
  ---
  ApportVersion: 2.20.3-0ubuntu8
  Architecture: amd64
  CurrentDesktop: GNOME
  DisplayManager: lightdm
  DistroRelease: Ubuntu 17.04
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  Package: gnome-shell 3.22.1-1ubuntu2
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 4.9.0-6.7-generic 4.9.0-rc7
  Tags: zesty third-party-packages
  Uname: Linux 4.9.0-6-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom colord dip lpadmin nvidia-persistenced plugdev sambashare sudo users
  _MarkForUpload: True

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