plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[xidoc]

plymouthd crashed with SIGSEGV in script_obj_deref_direct()

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: plymouth 0.9.3-1ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
Uname: Linux 4.13.0-32-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
Date: Sat Mar 3 11:40:18 2018
DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
ExecutablePath: /sbin/plymouthd
InstallationDate: Installed on 2018-01-29 (32 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180129)
JournalErrors:
 -- Logs begin at Mon 2018-01-29 22:12:07 CET, end at Sat 2018-03-03 11:48:40 CET. --
 mars 03 11:46:41 hostname kernel: ACPI Error: [^^^PEG0.PEGP.EASP] Namespace lookup failure, AE_NOT_FOUND (20170531/psargs-364)
 mars 03 11:46:41 hostname kernel: ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC._REG, AE_NOT_FOUND (20170531/psparse-550)
 mars 03 11:47:23 hostname pulseaudio[1358]: [pulseaudio] backend-ofono.c: Failed to register as a handsfree audio agent with ofono: org.freedesktop.DBus.Error.ServiceUnknown: The name org.ofono was not provided by any .service files
MachineType: Micro-Star International Co., Ltd. GL62 7RD
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-32-generic.efi.signed root=UUID=7fd45bbd-67cf-44d8-8878-fe1e16d5e0a1 ro quiet splash vt.handoff=1
ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
ProcEnviron:
 LANG=fr_FR.UTF-8
 PATH=(custom, no user)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-32-generic.efi.signed root=UUID=7fd45bbd-67cf-44d8-8878-fe1e16d5e0a1 ro quiet splash vt.handoff=1
SegvAnalysis:
 Segfault happened at: 0x7fda8c53d480 <script_obj_deref_direct>: cmpl $0x1,(%rdi)
 PC (0x7fda8c53d480) ok
 source "$0x1" ok
 destination "(%rdi)" (0x00000000) 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: 12/27/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: E16J9IMS.31D
dmi.board.asset.tag: Default string
dmi.board.name: MS-16J9
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: REV:1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Micro-Star International Co., Ltd.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrE16J9IMS.31D:bd12/27/2017:svnMicro-StarInternationalCo.,Ltd.:pnGL627RD:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-16J9:rvrREV1.0:cvnMicro-StarInternationalCo.,Ltd.:ct10:cvrN/A:
dmi.product.family: GL
dmi.product.name: GL62 7RD
dmi.product.version: REV:1.0
dmi.sys.vendor: Micro-Star International Co., Ltd.

[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 #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.