[Bug 1762146] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Sun Apr 8 08:56:56 UTC 2018

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

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 #1745406, 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 1745406
   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/1762146

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  Ubuntu 18.04 Bionic Beaver after login

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: plymouth 0.9.3-1ubuntu6
  ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
  Uname: Linux 4.15.0-13-generic x86_64
  ApportVersion: 2.20.9-0ubuntu4
  Architecture: amd64
  CrashCounter: 1
  Date: Sun Apr  8 17:50:25 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2018-04-02 (5 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 5986:0673 Acer, Inc 
   Bus 001 Device 002: ID 8087:07dc Intel Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 80R9
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed root=UUID=48447ac5-157c-4f00-ad1a-f6a176450c61 ro quiet splash vt.handoff=1
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=en_AU.UTF-8
   LANGUAGE=en_AU:en
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed root=UUID=48447ac5-157c-4f00-ad1a-f6a176450c61 ro quiet splash vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7f30f4459480 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7f30f4459480) ok
   source "$0x1" ok
   destination "(%rdi)" (0x2d50442d30647261) 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: Upgraded to bionic on 2018-04-04 (3 days ago)
  UserGroups:

  dmi.bios.date: 07/07/2016
  dmi.bios.vendor: Lenovo
  dmi.bios.version: E4CN33WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Aristotle 14
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0K04663 WIN
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo ideapad 100S-14IBR
  dmi.modalias: dmi:bvnLenovo:bvrE4CN33WW:bd07/07/2016:svnLENOVO:pn80R9:pvrLenovoideapad100S-14IBR:rvnLENOVO:rnAristotle14:rvrSDK0K04663WIN:cvnLENOVO:ct10:cvrLenovoideapad100S-14IBR:
  dmi.product.family: IDEAPAD
  dmi.product.name: 80R9
  dmi.product.version: Lenovo ideapad 100S-14IBR
  dmi.sys.vendor: LENOVO

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