[Bug 1763593] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Apport retracing service]

*** This bug is a duplicate of bug 927636 ***
    https://bugs.launchpad.net/bugs/927636

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #927636, so is being marked as such.  Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

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** This bug has been marked a duplicate of bug 927636
   plymouthd crashed with SIGSEGV in script_obj_deref_direct()

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1763593

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  on restart of machine

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: plymouth 0.9.3-1ubuntu6
  ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
  Uname: Linux 4.15.0-13-generic x86_64
  ApportVersion: 2.20.9-0ubuntu4
  Architecture: amd64
  CrashCounter: 1
  Date: Fri Apr 13 07:50:58 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2018-04-03 (9 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180402)
  MachineType: Dell Inc. Precision T1700
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic root=UUID=5cabeb92-9934-4748-944a-84cff7caa80f ro quiet splash vt.handoff=1
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=en_GB.UTF-8
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic root=UUID=5cabeb92-9934-4748-944a-84cff7caa80f ro quiet splash vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7ff6123af494 <script_obj_deref_direct+20>:	cmpl   $0x1,(%rax)
   PC (0x7ff6123af494) ok
   source "$0x1" ok
   destination "(%rax)" (0x00000000) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
   script_obj_deref_direct () from /usr/lib/x86_64-linux-gnu/plymouth/script.so
   script_obj_as_custom () from /usr/lib/x86_64-linux-gnu/plymouth/script.so
   script_execute_object () from /usr/lib/x86_64-linux-gnu/plymouth/script.so
   script_lib_plymouth_on_update_status () from /usr/lib/x86_64-linux-gnu/plymouth/script.so
   ?? ()
  TextPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Title: plymouthd crashed with SIGSEGV in script_obj_deref_direct()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 05/20/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A16
  dmi.board.name: 073MMW
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A02
  dmi.chassis.type: 6
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA16:bd05/20/2015:svnDellInc.:pnPrecisionT1700:pvr01:rvnDellInc.:rn073MMW:rvrA02:cvnDellInc.:ct6:cvr:
  dmi.product.name: Precision T1700
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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