[Bug 1761862] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Fri Apr 6 20:26:53 UTC 2018

*** 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/1761862

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  ubuntu 18.04 distupgrade from 16.04 @ dell xps 12

  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: Fri Apr  6 22:46:10 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2018-03-11 (26 days ago)
  InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
  MachineType: Dell Inc. XPS 12 9Q23
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic root=UUID=e8186b16-2ca7-47a4-a261-792524adbc6b ro quiet splash i8042.direct i8042.dumbkbd vt.handoff=1
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic root=UUID=e8186b16-2ca7-47a4-a261-792524adbc6b ro quiet splash i8042.direct i8042.dumbkbd vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7f2d586be480 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7f2d586be480) ok
   source "$0x1" ok
   destination "(%rdi)" (0xffffffff) 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_boot_progress () from /usr/lib/x86_64-linux-gnu/plymouth/script.so
   ?? () from /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 2018-03-11 (26 days ago)
  UserGroups:

  dmi.bios.date: 12/07/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.asset.tag: 0004061282
  dmi.board.name: 0520M8
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.asset.tag: 0004061282
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A05
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd12/07/2012:svnDellInc.:pnXPS129Q23:pvrA05:rvnDellInc.:rn0520M8:rvrA00:cvnDellInc.:ct8:cvrA05:
  dmi.product.family: 103C_5335KV
  dmi.product.name: XPS 12 9Q23
  dmi.product.version: A05
  dmi.sys.vendor: Dell Inc.

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