[Bug 1716128] 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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** Attachment removed: "ThreadStacktrace.txt"
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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/1716128

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  this error pops up in 17.10. Don't know why

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: plymouth 0.9.2-3ubuntu16
  ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
  Uname: Linux 4.12.0-12-generic x86_64
  ApportVersion: 2.20.7-0ubuntu1
  Architecture: amd64
  CrashCounter: 1
  Date: Sat Sep  9 18:31:42 2017
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-gnome-logo/ubuntu-gnome-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  MachineType: Acer Aspire V7-582P
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.12.0-12-generic root=UUID=2f562704-a71b-4cb3-b9ca-86a2ff427b5e ro quiet splash vt.handoff=7
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.12.0-12-generic root=UUID=2f562704-a71b-4cb3-b9ca-86a2ff427b5e ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7f74a2d4b420 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7f74a2d4b420) 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-gnome-text/ubuntu-gnome-text.plymouth
  Title: plymouthd crashed with SIGSEGV in script_obj_deref_direct()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 01/12/2015
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V2.30
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: Dazzle_HW
  dmi.board.vendor: Acer
  dmi.board.version: Type2 - A01 Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsydeCorp.:bvrV2.30:bd01/12/2015:svnAcer:pnAspireV7-582P:pvrTBDbyOEM:rvnAcer:rnDazzle_HW:rvrType2-A01BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
  dmi.product.family: Type1Family
  dmi.product.name: Aspire V7-582P
  dmi.product.version: TBD by OEM
  dmi.sys.vendor: Acer

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