[Bug 1748074] 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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** 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/1748074

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  I'm using the alpha build of ubuntu 18.04 LTS. This copy was obtained
  from a few days ago so it's fairly new. This is the first time a
  system error happened but I'm not surprised.

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: plymouth 0.9.3-1ubuntu1
  ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
  Uname: Linux 4.13.0-32-generic x86_64
  ApportVersion: 2.20.8-0ubuntu8
  Architecture: amd64
  BootLog: Error: [Errno 2] No such file or directory: '/var/log/boot.log'
  Date: Sat Feb  3 20:12:50 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2018-02-04 (4 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180203)
  MachineType: LENOVO 80ST
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-32-generic root=UUID=9e993c8c-ca32-4d53-b978-d659d5cfe007 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 amdgpudrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-32-generic root=UUID=9e993c8c-ca32-4d53-b978-d659d5cfe007 ro quiet splash vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7f94f437d480 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7f94f437d480) ok
   source "$0x1" ok
   destination "(%rdi)" (0x00000051) 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: 09/05/2016
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 1LCN32WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Toronto 5B1
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40700WIN
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo ideapad 310-15ABR
  dmi.modalias: dmi:bvnLENOVO:bvr1LCN32WW:bd09/05/2016:svnLENOVO:pn80ST:pvrLenovoideapad310-15ABR:rvnLENOVO:rnToronto5B1:rvrSDK0J40700WIN:cvnLENOVO:ct10:cvrLenovoideapad310-15ABR:
  dmi.product.family: IDEAPAD
  dmi.product.name: 80ST
  dmi.product.version: Lenovo ideapad 310-15ABR
  dmi.sys.vendor: LENOVO

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