plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Vincent Gerris]

happening on 18.04 dev release.

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: plymouth 0.9.3-1ubuntu2
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.9-0ubuntu2
Architecture: amd64
Date: Thu Mar 29 14:00:02 2018
DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
ExecutablePath: /sbin/plymouthd
InstallationDate: Installed on 2018-01-02 (85 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
MachineType: LENOVO 20332
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed root=UUID=ba3bceff-561b-4176-84a6-53305117d007 ro quiet splash vt.handoff=1
ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed root=UUID=ba3bceff-561b-4176-84a6-53305117d007 ro quiet splash vt.handoff=1
SegvAnalysis:
 Segfault happened at: 0x7fdc6c843480 <script_obj_deref_direct>: cmpl $0x1,(%rdi)
 PC (0x7fdc6c843480) ok
 source "$0x1" ok
 destination "(%rdi)" (0x2d50442d30647261) 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 2018-01-03 (85 days ago)
UserGroups:

dmi.bios.date: 08/19/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: 92CN93WW(V1.93)
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: AIUU1
dmi.board.vendor: LENOVO
dmi.board.version: 31900042STD
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Yoga 2 11
dmi.modalias: dmi:bvnLENOVO:bvr92CN93WW(V1.93):bd08/19/2015:svnLENOVO:pn20332:pvrLenovoYoga211:rvnLENOVO:rnAIUU1:rvr31900042STD:cvnLENOVO:ct10:cvrLenovoYoga211:
dmi.product.family: IDEAPAD
dmi.product.name: 20332
dmi.product.version: Lenovo Yoga 2 11
dmi.sys.vendor: LENOVO

[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.