plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Adolfo Jayme Barrientos]

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

[Apport retracing service (apport)]

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.