plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Kyle Blake]

Description: Ubuntu Bionic Beaver (development branch)
Release: 18.04

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: plymouth 0.9.3-1ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
Date: Sun Feb 18 07:57:02 2018
DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
ExecutablePath: /sbin/plymouthd
InstallationDate: Installed on 2017-12-04 (75 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20171204)
MachineType: MSI MS-7885
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic root=UUID=dbb9979c-1c54-40e6-b8af-2c0e862e30f3 ro quiet splash vt.handoff=1
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 VESA VGA
 1 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic root=UUID=dbb9979c-1c54-40e6-b8af-2c0e862e30f3 ro quiet splash vt.handoff=1
SegvAnalysis:
 Segfault happened at: 0x7f5046812480 <script_obj_deref_direct>: cmpl $0x1,(%rdi)
 PC (0x7f5046812480) ok
 source "$0x1" ok
 destination "(%rdi)" (0x61632f6d72642f30) 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_display_normal () from /usr/lib/x86_64-linux-gnu/plymouth/script.so
 ?? () 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: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 07/15/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.D0
dmi.board.asset.tag: Default string
dmi.board.name: X99A SLI PLUS(MS-7885)
dmi.board.vendor: MSI
dmi.board.version: 1.0
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.D0:bd07/15/2016:svnMSI:pnMS-7885:pvr1.0:rvnMSI:rnX99ASLIPLUS(MS-7885):rvr1.0:cvnMSI:ct3:cvr1.0:
dmi.product.family: Default string
dmi.product.name: MS-7885
dmi.product.version: 1.0
dmi.sys.vendor: MSI

[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 #1745406, 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.