plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Piotr Wieczorek]

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

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
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
CrashCounter: 1
Date: Thu Apr 12 22:22:48 2018
DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
ExecutablePath: /sbin/plymouthd
InstallationDate: Installed on 2015-08-18 (968 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: LENOVO 4242A14
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic root=UUID=a84f3b2b-fd49-4dea-8c9c-97e3a8623fec 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 root=UUID=a84f3b2b-fd49-4dea-8c9c-97e3a8623fec ro quiet splash vt.handoff=1
SegvAnalysis:
 Segfault happened at: 0x7f5ffd20a480 <script_obj_deref_direct>: cmpl $0x1,(%rdi)
 PC (0x7f5ffd20a480) ok
 source "$0x1" ok
 destination "(%rdi)" (0x00000040) 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_display_normal () at /usr/lib/x86_64-linux-gnu/plymouth/script.so
 () 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 2018-04-09 (3 days ago)
UserGroups:

dmi.bios.date: 05/14/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: 8AET65WW (1.45 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4242A14
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: 4242A14R9GR4PF
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8AET65WW(1.45):bd05/14/2015:svnLENOVO:pn4242A14:pvrThinkPadT520:rvnLENOVO:rn4242A14:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad T520
dmi.product.name: 4242A14
dmi.product.version: ThinkPad T520
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.