[Bug 1726126] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Sun Oct 22 19:58:50 UTC 2017

*** 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/1726126

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  Logging into an Xorg session with gnome-shell, using GDM.
  I thought Plymouth was not installed on Ubuntu 17.10?

  $ lsb_release --all
  No LSB modules are available.
  Distributor ID:	Ubuntu
  Description:	Ubuntu 17.10
  Release:	17.10
  Codename:	artful

  $ uname -a
  Linux PS001 4.13.0-16-generic #19-Ubuntu SMP Wed Oct 11 18:35:14 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: plymouth 0.9.2-3ubuntu17
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.7-0ubuntu3
  Architecture: amd64
  Date: Sun Oct 22 15:01:44 2017
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2017-10-22 (0 days ago)
  InstallationMedia: Ubuntu 17.10.0 2017.10.19 amd64 "Custom Artful Aardvark"
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic.efi.signed root=UUID=a4929601-02c2-4a10-8532-da86c3143a95 ro quiet splash vt.handoff=7
  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 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic.efi.signed root=UUID=a4929601-02c2-4a10-8532-da86c3143a95 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7fcbe8ae0420 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7fcbe8ae0420) ok
   source "$0x1" ok
   destination "(%rdi)" (0x00000007) 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: No upgrade log present (probably fresh install)
  UserGroups:

  dmi.bios.date: 07/11/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P2.50
  dmi.board.name: Z87E-ITX
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.50:bd07/11/2014:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ87E-ITX:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.family: To Be Filled By O.E.M.
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.

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