[Bug 1724481] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct() after logon

[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/1724481

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct() after
  logon

Status in plymouth package in Ubuntu:
  New

Bug description:
  This happens right after logging in

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: plymouth 0.9.2-3ubuntu17
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.7-0ubuntu3
  Architecture: amd64
  CrashCounter: 1
  Date: Wed Oct 18 10:49:38 2017
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2017-10-17 (0 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Beta amd64 (20171015)
  MachineType: HP HP ZBook Studio G4
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic.efi.signed root=UUID=eb8faf2f-a2af-42ee-9489-d1a8c08e86d8 ro quiet splash vt.handoff=7
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcFB:
   0 EFI VGA
   1 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic.efi.signed root=UUID=eb8faf2f-a2af-42ee-9489-d1a8c08e86d8 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7f4ab816e420 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7f4ab816e420) 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 () 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: 06/09/2017
  dmi.bios.vendor: HP
  dmi.bios.version: P71 Ver. 01.03
  dmi.board.name: 826B
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 47.39
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.modalias: dmi:bvnHP:bvrP71Ver.01.03:bd06/09/2017:svnHP:pnHPZBookStudioG4:pvr:rvnHP:rn826B:rvrKBCVersion47.39:cvnHP:ct10:cvr:
  dmi.product.family: 103C_5336AN
  dmi.product.name: HP ZBook Studio G4
  dmi.sys.vendor: HP

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