[Bug 1749346] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Apport retracing service]

*** This bug is a duplicate of bug 1745406 ***
    https://bugs.launchpad.net/bugs/1745406

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 #1745406, 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 1745406
   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/1749346

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  Crashed at login

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: plymouth 0.9.3-1ubuntu1
  Uname: Linux 4.15.2-041502-generic x86_64
  ApportVersion: 2.20.8-0ubuntu9
  Architecture: amd64
  Date: Thu Feb  8 12:29:41 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2017-10-11 (125 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Beta amd64 (20171009)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 0489:e0a2 Foxconn / Hon Hai 
   Bus 001 Device 002: ID 0bda:58f4 Realtek Semiconductor Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. XPS 13 9370
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.2-041502-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1
  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-4.15.2-041502-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7f49254d6480 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7f49254d6480) ok
   source "$0x1" ok
   destination "(%rdi)" (0x2d50442d30647261) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown 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_display_normal () at /usr/lib/x86_64-linux-gnu/plymouth/script.so
   () 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: 01/25/2018
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.2.0
  dmi.board.name: 0173S1
  dmi.board.vendor: Dell Inc.
  dmi.board.version: X01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.2.0:bd01/25/2018:svnDellInc.:pnXPS139370:pvr:rvnDellInc.:rn0173S1:rvrX01:cvnDellInc.:ct9:cvr:
  dmi.product.family: XPS
  dmi.product.name: XPS 13 9370
  dmi.sys.vendor: Dell Inc.

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