[Bug 1726532] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Apport retracing service]

*** This bug is a duplicate of bug 1580078 ***
    https://bugs.launchpad.net/bugs/1580078

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 #1580078, 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 private bug 1580078

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1726532

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  reported on first and ongoing boots of 17.10.

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: plymouth 0.9.2-3ubuntu17
  ProcVersionSignature: Ubuntu 4.13.0-16.19-lowlatency 4.13.4
  Uname: Linux 4.13.0-16-lowlatency x86_64
  ApportVersion: 2.20.7-0ubuntu3
  Architecture: amd64
  Date: Mon Oct 23 13:45:20 2017
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-gnome-logo/ubuntu-gnome-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2016-10-05 (383 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-16-lowlatency root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=en_CA.UTF-8
   LANGUAGE=en_CA:en
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-16-lowlatency root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7fd5b8957420 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7fd5b8957420) ok
   source "$0x1" ok
   destination "(%rdi)" (0x00000020) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
   script_obj_deref_direct () at /usr/lib/x86_64-linux-gnu/plymouth/script.so
   script_obj_as_custom () at /usr/lib/x86_64-linux-gnu/plymouth/script.so
   script_execute_object () at /usr/lib/x86_64-linux-gnu/plymouth/script.so
   script_lib_plymouth_on_boot_progress () at /usr/lib/x86_64-linux-gnu/plymouth/script.so
   () at /lib/x86_64-linux-gnu/libply-splash-core.so.4
  TextPlymouth: /usr/share/plymouth/themes/ubuntu-gnome-text/ubuntu-gnome-text.plymouth
  Title: plymouthd crashed with SIGSEGV in script_obj_deref_direct()
  UpgradeStatus: Upgraded to artful on 2017-10-23 (0 days ago)
  UserGroups:
   
  dmi.bios.date: 07/03/2017
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: KYSKLi70.86A.0049.2017.0703.1652
  dmi.board.name: NUC6i7KYB
  dmi.board.vendor: Intel Corporation
  dmi.board.version: H90766-404
  dmi.chassis.type: 3
  dmi.chassis.vendor: Intel Corporation
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnIntelCorp.:bvrKYSKLi70.86A.0049.2017.0703.1652:bd07/03/2017:svn:pn:pvr:rvnIntelCorporation:rnNUC6i7KYB:rvrH90766-404:cvnIntelCorporation:ct3:cvr1.0:

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