[Bug 1552370] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Andrea Azzarone]

** Information type changed from Private to Public

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Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  Confirmed

Bug description:
  Crash on reboot after update 2016-03-02 with new kernel 4.4.0.9

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: plymouth 0.9.2-3ubuntu10
  ProcVersionSignature: Ubuntu 4.4.0-8.23-generic 4.4.2
  Uname: Linux 4.4.0-8-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  Date: Wed Mar  2 19:26:27 2016
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-gnome-logo/ubuntu-gnome-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2016-02-21 (10 days ago)
  InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160220)
  MachineType: Acer Aspire X3950
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-8-generic root=UUID=a9ea69ac-cba3-4032-a9c7-1f977919a1a0 ro quiet splash
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=es_ES.UTF-8
   PATH=(custom, no user)
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-8-generic root=UUID=a9ea69ac-cba3-4032-a9c7-1f977919a1a0 ro quiet splash
  SegvAnalysis:
   Segfault happened at: 0x7fbc3ad54660 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7fbc3ad54660) 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 () 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_boot_progress () from /usr/lib/x86_64-linux-gnu/plymouth/script.so
   ?? () from /lib/x86_64-linux-gnu/libply-splash-core.so.4
  TextPlymouth: /usr/share/plymouth/themes/text/text.plymouth
  Title: plymouthd crashed with SIGSEGV in script_obj_deref_direct()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 04/13/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P01-A2
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: Aspire X3950
  dmi.board.vendor: Acer
  dmi.chassis.type: 3
  dmi.chassis.vendor: Acer
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP01-A2:bd04/13/2010:svnAcer:pnAspireX3950:pvr:rvnAcer:rnAspireX3950:rvr:cvnAcer:ct3:cvr:
  dmi.product.name: Aspire X3950
  dmi.sys.vendor: Acer

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