[Bug 1756886] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Seth Arnold]

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

** Information type changed from Public Security to Public

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https://bugs.launchpad.net/bugs/1756886

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  NA

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: plymouth 0.9.3-1ubuntu1
  Uname: Linux 4.16.0-041600rc4-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  CrashCounter: 1
  Date: Mon Mar 19 20:53:53 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2018-03-06 (13 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180305)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 04f2:b469 Chicony Electronics Co., Ltd 
   Bus 001 Device 003: ID 05e3:0608 Genesys Logic, Inc. Hub
   Bus 001 Device 002: ID 15d9:0a4e Trust International B.V. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Acer Aspire ES1-111M
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.16.0-041600rc4-generic root=UUID=c6167516-7289-495a-a323-5c7fb527b0dd 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-4.16.0-041600rc4-generic root=UUID=c6167516-7289-495a-a323-5c7fb527b0dd ro quiet splash vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7f2e77e26480 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7f2e77e26480) ok
   source "$0x1" ok
   destination "(%rdi)" (0x726f74696465706f) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown 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_display_normal () from /usr/lib/x86_64-linux-gnu/plymouth/script.so
   ?? () 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: 07/22/2014
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V1.03
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: R2
  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.:bvrV1.03:bd07/22/2014:svnAcer:pnAspireES1-111M:pvrV1.03:rvnAcer:rnR2:rvrType2-A01BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
  dmi.product.family: Type1Family
  dmi.product.name: Aspire ES1-111M
  dmi.product.version: V1.03
  dmi.sys.vendor: Acer

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