[Bug 1745842] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Sun Jan 28 15:40:16 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/1745842

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  Probably crashed due to a forced reboot.

  Let the stack trace tell its tale (or not).

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: plymouth 0.9.3-1ubuntu1
  ProcVersionSignature: Ubuntu 4.13.0-30.33-generic 4.13.13
  Uname: Linux 4.13.0-30-generic x86_64
  ApportVersion: 2.20.8-0ubuntu6
  Architecture: amd64
  Date: Thu Jan 25 17:14:00 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2018-01-15 (12 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 005: ID 0930:0227 Toshiba Corp. 
   Bus 001 Device 003: ID 1a40:0101 Terminus Technology Inc. Hub
   Bus 001 Device 002: ID 04f2:b446 Chicony Electronics Co., Ltd 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: TOSHIBA Satellite C55-B
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-30-generic.efi.signed root=UUID=b27786f8-e52a-405f-86e2-54fbe6dccc69 ro quiet splash vt.handoff=1
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=es_MX.UTF-8
   LANGUAGE=es_MX:es
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-30-generic.efi.signed root=UUID=b27786f8-e52a-405f-86e2-54fbe6dccc69 ro quiet splash vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7fd0afa0e494 <script_obj_deref_direct+20>:	cmpl   $0x1,(%rax)
   PC (0x7fd0afa0e494) ok
   source "$0x1" ok
   destination "(%rax)" (0x00000021) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL 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: Upgraded to bionic on 2018-01-18 (9 days ago)
  UserGroups:

  dmi.bios.date: 07/23/2015
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: 5.00
  dmi.board.asset.tag: *
  dmi.board.name: ZBWAA
  dmi.board.vendor: TOSHIBA
  dmi.board.version: 1.00
  dmi.chassis.asset.tag: *
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: *
  dmi.modalias: dmi:bvnTOSHIBA:bvr5.00:bd07/23/2015:svnTOSHIBA:pnSatelliteC55-B:pvrPSCMLM-00MTM1:rvnTOSHIBA:rnZBWAA:rvr1.00:cvnTOSHIBA:ct10:cvr*:
  dmi.product.family: *
  dmi.product.name: Satellite C55-B
  dmi.product.version: PSCMLM-00MTM1
  dmi.sys.vendor: TOSHIBA

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