plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Andrea Azzarone]

Getting this on login.

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: plymouth 0.9.3-1ubuntu6
ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
Uname: Linux 4.15.0-15-generic x86_64
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
CrashCounter: 1
Date: Sun Apr 8 18:36:51 2018
DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
ExecutablePath: /sbin/plymouthd
InstallationDate: Installed on 2017-09-25 (198 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170919)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 04f3:21d4 Elan Microelectronics Corp.
 Bus 001 Device 002: ID 0a5c:6410 Broadcom Corp.
 Bus 001 Device 004: ID 1bcf:2b95 Sunplus Innovation Technology Inc.
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. XPS 15 9550
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-15-generic.efi.signed root=UUID=6012b0b2-e20e-4dce-b3b2-002a016dddc7 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 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-15-generic.efi.signed root=UUID=6012b0b2-e20e-4dce-b3b2-002a016dddc7 ro quiet splash vt.handoff=1
SegvAnalysis:
 Segfault happened at: 0x7fbeb0d52480 <script_obj_deref_direct>: cmpl $0x1,(%rdi)
 PC (0x7fbeb0d52480) ok
 source "$0x1" ok
 destination "(%rdi)" (0x785c3436646d6164) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown 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_update_status () at /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 2018-03-06 (36 days ago)
UserGroups:

dmi.bios.date: 12/11/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.6.1
dmi.board.name: 0N7TVV
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.6.1:bd12/11/2017:svnDellInc.:pnXPS159550:pvr:rvnDellInc.:rn0N7TVV:rvrA01:cvnDellInc.:ct9:cvr:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: XPS 15 9550
dmi.sys.vendor: Dell Inc.