[Bug 1764921] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Apport retracing service]

*** This bug is a duplicate of bug 1580078 ***
    https://bugs.launchpad.net/bugs/1580078

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 #1580078, 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 private bug 1580078

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1764921

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  This happened on the fresh install of Ubuntu 18.04

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: plymouth 0.9.3-1ubuntu6
  ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
  Uname: Linux 4.15.0-15-generic x86_64
  ApportVersion: 2.20.9-0ubuntu5
  Architecture: amd64
  Date: Wed Apr 18 08:06:36 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2018-04-16 (1 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180409)
  MachineType: Acer Aspire S3-391
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-15-generic root=UUID=f1993aa0-bade-4aa8-9576-4fae9e2df944 ro quiet splash vt.handoff=1
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=en_IN
   LANGUAGE=en_IN:en
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-15-generic root=UUID=f1993aa0-bade-4aa8-9576-4fae9e2df944 ro quiet splash vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7f91077c8480 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7f91077c8480) 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_boot_progress () from /usr/lib/x86_64-linux-gnu/plymouth/script.so
   ?? () from /lib/x86_64-linux-gnu/libply-splash-core.so.4
  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: 07/03/2013
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V1.29
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: Hummingbird2
  dmi.board.vendor: Acer
  dmi.board.version: V1.29
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.29
  dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.29:bd07/03/2013:svnAcer:pnAspireS3-391:pvrV1.29:rvnAcer:rnHummingbird2:rvrV1.29:cvnAcer:ct10:cvrV1.29:
  dmi.product.family: ChiefRiver System
  dmi.product.name: Aspire S3-391
  dmi.product.version: V1.29
  dmi.sys.vendor: Acer

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