[Bug 1758940] 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/1758940

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  Ubuntu Bionic Beaver (development branch)

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: plymouth 0.9.3-1ubuntu2
  ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7
  Uname: Linux 4.15.0-12-generic x86_64
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  Date: Mon Mar 26 16:45:20 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2018-03-26 (0 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180325)
  MachineType: ZOTAC XXXXXX
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-12-generic.efi.signed root=UUID=fab05f7e-b132-4a86-8464-6b5d05925d80 ro quiet splash vt.handoff=1
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-12-generic.efi.signed root=UUID=fab05f7e-b132-4a86-8464-6b5d05925d80 ro quiet splash vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7ffaf5d88480 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7ffaf5d88480) ok
   source "$0x1" ok
   destination "(%rdi)" (0x00000000) 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_update_status () at /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: 03/14/2016
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: B301P016
  dmi.board.asset.tag: N/A
  dmi.board.name: XXXXXX
  dmi.board.vendor: ZOTAC
  dmi.board.version: XX
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 2
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrB301P016:bd03/14/2016:svnZOTAC:pnXXXXXX:pvrXX:rvnZOTAC:rnXXXXXX:rvrXX:cvnDefaultstring:ct2:cvrDefaultstring:
  dmi.product.family: N/A
  dmi.product.name: XXXXXX
  dmi.product.version: XX
  dmi.sys.vendor: ZOTAC

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