[Bug 1755827] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Wed Mar 14 14:55:44 UTC 2018

*** 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/1755827

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  1) Description:	Ubuntu Bionic Beaver (development branch)
  Release:	18.04

  2) plymouth:
    Installed: 0.9.3-1ubuntu1
    Candidate: 0.9.3-1ubuntu1
    Version table:
   *** 0.9.3-1ubuntu1 500
          500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
          100 /var/lib/dpkg/status

  3) I expected to see Software Updater because I was checking for
  updates.  This did happen and updates were installed successfully.

  4) Instead, this error message appeared about halfway through the
  update process, immediately following another error message (bug
  reported just a few minutes ago).

  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
  BootLog: Error: [Errno 2] No such file or directory: '/var/log/boot.log'
  Date: Wed Mar 14 14:33:14 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2018-03-07 (6 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180307)
  MachineType: LENOVO 782436G
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic root=UUID=8a281633-89dc-47d6-aa0f-3605aeb6205d ro quiet splash vt.handoff=1
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=en_GB.UTF-8
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic root=UUID=8a281633-89dc-47d6-aa0f-3605aeb6205d ro quiet splash vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7f8128b66480 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7f8128b66480) ok
   source "$0x1" ok
   destination "(%rdi)" (0x800000003) 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_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: 12/15/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 9HKT46AUS
  dmi.board.vendor: LENOVO
  dmi.chassis.type: 7
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnLENOVO:bvr9HKT46AUS:bd12/15/2011:svnLENOVO:pn782436G:pvrThinkStationE30:rvnLENOVO:rn:rvr:cvnToBeFilledByO.E.M.:ct7:cvrToBeFilledByO.E.M.:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: 782436G
  dmi.product.version: ThinkStation E30
  dmi.sys.vendor: LENOVO

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