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[Launchpad Bug Tracker <1401488@xxxxxxxxxxxxxxxxxx>]

** Branch linked: lp:ubuntu/vivid-proposed/mir

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https://bugs.launchpad.net/bugs/1401488

Title:
  [regression] Mir servers (since 0.9) randomly crash in malloc due to
  heap corruption

Status in The "G" Library - GLib:
  New
Status in Mir:
  Fix Committed
Status in Mir 0.9 series:
  Triaged
Status in glib2.0 package in Ubuntu:
  Triaged
Status in mir package in Ubuntu:
  Triaged

Bug description:
  This happens randomly when using the phone

  ProblemType: Crash
  DistroRelease: Ubuntu 15.04
  Package: unity-system-compositor 0.0.5+15.04.20141204-0ubuntu1
  Uname: Linux 3.4.67 armv7l
  ApportVersion: 2.14.7-0ubuntu10
  Architecture: armhf
  AssertionMessage: *** Error in `unity-system-compositor': corrupted double-linked list: 0xaa817808 ***
  CrashCounter: 1
  Date: Wed Dec 10 19:28:35 2014
  ExecutablePath: /usr/sbin/unity-system-compositor
  ExecutableTimestamp: 1417733344
  GraphicsCard:
   
  InstallationDate: Installed on 2014-12-11 (0 days ago)
  InstallationMedia: Ubuntu Vivid Vervet (development branch) - armhf (20141211-020204)
  ProcCmdline: unity-system-compositor --disable-overlays=false --spinner=/usr/bin/unity-system-compositor-spinner --file /run/mir_socket --from-dm-fd 9 --to-dm-fd 13 --vt 1
  ProcCwd: /
  ProcEnviron:
   
  Signal: 6
  SourcePackage: unity-system-compositor
  StacktraceTop:
   __libc_message (do_abort=<optimized out>, fmt=0xb68e3628 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
   malloc_printerr (action=1, str=0xb68e366c "corrupted double-linked list", ptr=<optimized out>) at malloc.c:4996
   malloc_consolidate (av=av@entry=0xaa800010) at malloc.c:4165
   _int_malloc (av=av@entry=0xaa800010, bytes=bytes@entry=1264) at malloc.c:3423
   __GI___libc_malloc (bytes=1264) at malloc.c:2891
  Title: unity-system-compositor assert failure: *** Error in `unity-system-compositor': corrupted double-linked list: 0xaa817808 ***
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  version.libdrm: libdrm2 2.4.58-2
  version.lightdm: lightdm 1.13.0-0ubuntu2
  version.mesa: libegl1-mesa-dev N/A

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