plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Narendra]

while running updates this error occurred.

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
NonfreeKernelModules: wl
ApportVersion: 2.20.9-0ubuntu5
Architecture: amd64
BootLog: Error: [Errno 2] No such file or directory: '/var/log/boot.log'
CrashCounter: 1
Date: Mon Apr 9 10:47:44 2018
DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
ExecutablePath: /sbin/plymouthd
InstallationDate: Installed on 2018-01-19 (86 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
MachineType: Dell Inc. Latitude E5430 non-vPro
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic root=UUID=b4ca4ac1-98c6-4049-a07a-3a309db2e294 ro quiet splash vt.handoff=1
ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
ProcEnviron:
 LANG=en_IN
 LANGUAGE=en_IN:en
 PATH=(custom, no user)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic root=UUID=b4ca4ac1-98c6-4049-a07a-3a309db2e294 ro quiet splash vt.handoff=1
SegvAnalysis:
 Segfault happened at: 0x7f6bcf1bf480 <script_obj_deref_direct>: cmpl $0x1,(%rdi)
 PC (0x7f6bcf1bf480) ok
 source "$0x1" ok
 destination "(%rdi)" (0x4147562d30647261) 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: Upgraded to bionic on 2018-04-07 (8 days ago)
UserGroups:

dmi.bios.date: 06/03/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A03
dmi.board.name: 0MYF02
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA03:bd06/03/2012:svnDellInc.:pnLatitudeE5430non-vPro:pvr01:rvnDellInc.:rn0MYF02:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E5430 non-vPro
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.

[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.