[Bug 1569257] Re: plymouthd crashed with SIGSEGV in ply_list_find_node() from ply_event_loop_remove_source() from on_udev_queue_changed()

Daniel van Vugt 1569257 at bugs.launchpad.net
Mon Nov 30 06:29:05 UTC 2020 

Zero crashes in the final release of 18.04 onward. Consider it fixed.

** Information type changed from Private to Public

** Description changed:

+ https://errors.ubuntu.com/problem/9f87987e780656de08b1f25032fdd6ccacba72f1
+ 
  Crashed on login
  
  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: plymouth 0.9.2-3ubuntu11
  ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
  Uname: Linux 4.4.0-18-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  Date: Mon Apr 11 23:25:21 2016
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2015-12-15 (118 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: Apple Inc. MacBookAir6,1
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-18-generic.efi.signed root=UUID=fbd7899b-a33f-4d19-b5d6-4ab340964912 ro quiet splash vt.handoff=7
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
-  LANG=en_GB.UTF-8
-  LANGUAGE=en_GB:en
-  PATH=(custom, no user)
+  LANG=en_GB.UTF-8
+  LANGUAGE=en_GB:en
+  PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-18-generic.efi.signed root=UUID=fbd7899b-a33f-4d19-b5d6-4ab340964912 ro quiet splash vt.handoff=7
  SegvAnalysis:
-  Segfault happened at: 0x7f39daecd4f8 <ply_list_find_node+8>:	cmp    (%rax),%rsi
-  PC (0x7f39daecd4f8) ok
-  source "(%rax)" (0xffffffff) not located in a known VMA region (needed readable region)!
-  destination "%rsi" ok
+  Segfault happened at: 0x7f39daecd4f8 <ply_list_find_node+8>:	cmp    (%rax),%rsi
+  PC (0x7f39daecd4f8) ok
+  source "(%rax)" (0xffffffff) not located in a known VMA region (needed readable region)!
+  destination "%rsi" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
-  ply_list_find_node () from /lib/x86_64-linux-gnu/libply.so.4
-  ?? () from /lib/x86_64-linux-gnu/libply.so.4
-  ?? () from /lib/x86_64-linux-gnu/libply-splash-core.so.4
-  ply_event_loop_process_pending_events () from /lib/x86_64-linux-gnu/libply.so.4
-  ply_event_loop_run () from /lib/x86_64-linux-gnu/libply.so.4
+  ply_list_find_node () from /lib/x86_64-linux-gnu/libply.so.4
+  ?? () from /lib/x86_64-linux-gnu/libply.so.4
+  ?? () from /lib/x86_64-linux-gnu/libply-splash-core.so.4
+  ply_event_loop_process_pending_events () from /lib/x86_64-linux-gnu/libply.so.4
+  ply_event_loop_run () from /lib/x86_64-linux-gnu/libply.so.4
  TextPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Title: plymouthd crashed with SIGSEGV in ply_list_find_node()
  UpgradeStatus: Upgraded to xenial on 2016-04-08 (3 days ago)
  UserGroups:
-  
+ 
  dmi.bios.date: 02/22/2016
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA61.88Z.0099.B22.1602221559
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-35C1E88140C3E6CF
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookAir6,1
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-35C1E88140C3E6CF
  dmi.modalias: dmi:bvnAppleInc.:bvrMBA61.88Z.0099.B22.1602221559:bd02/22/2016:svnAppleInc.:pnMacBookAir6,1:pvr1.0:rvnAppleInc.:rnMac-35C1E88140C3E6CF:rvrMacBookAir6,1:cvnAppleInc.:ct10:cvrMac-35C1E88140C3E6CF:
  dmi.product.name: MacBookAir6,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

** Changed in: plymouth (Ubuntu)
       Status: Confirmed => Fix Released

** Tags removed: yakkety

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https://bugs.launchpad.net/bugs/1569257

Title:
  plymouthd crashed with SIGSEGV in ply_list_find_node() from
  ply_event_loop_remove_source() from on_udev_queue_changed()

Status in plymouth package in Ubuntu:
  Fix Released

Bug description:
  https://errors.ubuntu.com/problem/9f87987e780656de08b1f25032fdd6ccacba72f1

  Crashed on login

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: plymouth 0.9.2-3ubuntu11
  ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
  Uname: Linux 4.4.0-18-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  Date: Mon Apr 11 23:25:21 2016
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2015-12-15 (118 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: Apple Inc. MacBookAir6,1
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-18-generic.efi.signed root=UUID=fbd7899b-a33f-4d19-b5d6-4ab340964912 ro quiet splash vt.handoff=7
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=en_GB.UTF-8
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-18-generic.efi.signed root=UUID=fbd7899b-a33f-4d19-b5d6-4ab340964912 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7f39daecd4f8 <ply_list_find_node+8>:	cmp    (%rax),%rsi
   PC (0x7f39daecd4f8) ok
   source "(%rax)" (0xffffffff) not located in a known VMA region (needed readable region)!
   destination "%rsi" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
   ply_list_find_node () from /lib/x86_64-linux-gnu/libply.so.4
   ?? () from /lib/x86_64-linux-gnu/libply.so.4
   ?? () from /lib/x86_64-linux-gnu/libply-splash-core.so.4
   ply_event_loop_process_pending_events () from /lib/x86_64-linux-gnu/libply.so.4
   ply_event_loop_run () from /lib/x86_64-linux-gnu/libply.so.4
  TextPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Title: plymouthd crashed with SIGSEGV in ply_list_find_node()
  UpgradeStatus: Upgraded to xenial on 2016-04-08 (3 days ago)
  UserGroups:

  dmi.bios.date: 02/22/2016
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA61.88Z.0099.B22.1602221559
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-35C1E88140C3E6CF
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookAir6,1
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-35C1E88140C3E6CF
  dmi.modalias: dmi:bvnAppleInc.:bvrMBA61.88Z.0099.B22.1602221559:bd02/22/2016:svnAppleInc.:pnMacBookAir6,1:pvr1.0:rvnAppleInc.:rnMac-35C1E88140C3E6CF:rvrMacBookAir6,1:cvnAppleInc.:ct10:cvrMac-35C1E88140C3E6CF:
  dmi.product.name: MacBookAir6,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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