[Bug 1745406] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Brian Murray]

I've uploaded a version of plymouth for bionic to test with to my PPA.

https://launchpad.net/~brian-murray/+archive/ubuntu/ppa

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https://bugs.launchpad.net/bugs/1745406

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in Plymouth:
  In Progress
Status in plymouth package in Ubuntu:
  Confirmed

Bug description:
  Hello,

  I do not know why this happened

  Regards,
  --
  Cristian

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: plymouth 0.9.3-1ubuntu1
  Uname: Linux 4.15.0-041500rc9-generic x86_64
  ApportVersion: 2.20.8-0ubuntu6
  Architecture: amd64
  Date: Thu Jan 25 09:05:56 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  ExecutableTimestamp: 1516196236
  InstallationDate: Installed on 2017-10-13 (103 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C
  ProcCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.15.0-041500rc9-generic root=UUID=707d0f89-4b1d-4432-9d50-6058dc4c1ee9 ro rootflags=subvol=@ quiet splash vt.handoff=7
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcCwd: /
  ProcEnviron:
   LANG=es_CL.UTF-8
   LANGUAGE=es_CL:es
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.15.0-041500rc9-generic root=UUID=707d0f89-4b1d-4432-9d50-6058dc4c1ee9 ro rootflags=subvol=@ quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7faef226f480 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7faef226f480) ok
   source "$0x1" ok
   destination "(%rdi)" (0x00000000) 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: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 04/15/2013
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: P14AAJ
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: SAMSUNG_NP1234567890
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: FAB1
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP14AAJ:bd04/15/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3C/530U4C:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.family: ChiefRiver System
  dmi.product.name: 530U3C/530U4C
  dmi.product.version: 0.1
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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