[Bug 1753836] 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/1753836

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  Apport reported a problem about plymouthd.

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: plymouth 0.9.3-1ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  Date: Tue Mar  6 22:24:32 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2013-12-27 (1530 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: TOSHIBA SATELLITE L50-A-1CU
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic root=UUID=392cca54-560c-4712-be6b-586150b9b6ad ro quiet splash vt.handoff=1
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=it_IT.UTF-8
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic root=UUID=392cca54-560c-4712-be6b-586150b9b6ad ro quiet splash vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7fa7aa66e494 <script_obj_deref_direct+20>:	cmpl   $0x1,(%rax)
   PC (0x7fa7aa66e494) ok
   source "$0x1" ok
   destination "(%rax)" (0x00000000) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL 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_boot_progress () at /usr/lib/x86_64-linux-gnu/plymouth/script.so
   () at /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: Upgraded to bionic on 2018-02-09 (24 days ago)
  UserGroups:
   
  dmi.bios.date: 09/19/2014
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: 1.90
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: VG10S
  dmi.board.vendor: TOSHIBA
  dmi.board.version: To be filled by O.E.M.
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnTOSHIBA:bvr1.90:bd09/19/2014:svnTOSHIBA:pnSATELLITEL50-A-1CU:pvrPSKK6E-03M06DIT:rvnTOSHIBA:rnVG10S:rvrTobefilledbyO.E.M.:cvnTOSHIBA:ct10:cvrToBeFilledByO.E.M.:
  dmi.product.family: PEGA Family
  dmi.product.name: SATELLITE L50-A-1CU
  dmi.product.version: PSKK6E-03M06DIT
  dmi.sys.vendor: TOSHIBA

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