liferea crashed with SIGSEGV in WebKit::WaylandCompositor::Surface::flushPendingFrameCallbacks

[cubells]

$ lsb_release -rd
Description: Ubuntu Bionic Beaver (development branch)
Release: 18.04

$ apt-cache policy liferea
liferea:
  Instal·lat: 1.12.1-1
  Candidat: 1.12.1-1
  Taula de versió:
 *** 1.12.1-1 500
        500 http://archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
        100 /var/lib/dpkg/status

Liferea crash.

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: liferea 1.12.1-1
ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
Uname: Linux 4.13.0-25-generic x86_64
ApportVersion: 2.20.8-0ubuntu8
Architecture: amd64
CurrentDesktop: GNOME
Date: Thu Feb 1 07:33:57 2018
ExecutablePath: /usr/bin/liferea
InstallationDate: Installed on 2014-08-20 (1262 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
ProcCmdline: /usr/bin/liferea --gapplication-service
SegvAnalysis:
 Segfault happened at: 0x7fbac092eff0: mov (%rbx),%rbp
 PC (0x7fbac092eff0) ok
 source "(%rbx)" (0x74692d746f646873) not located in a known VMA region (needed readable region)!
 destination "%rbp" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: liferea
StacktraceTop:
 () at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
 () at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
 () at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
 () at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
 () at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
Title: liferea crashed with SIGSEGV
UpgradeStatus: Upgraded to bionic on 2018-01-02 (31 days ago)
UserGroups: adm audio cdrom dip docker lpadmin plugdev pulse pulse-access sambashare sudo video www-data

[Apport retracing service (apport)]

StacktraceTop:
 WebKit::WaylandCompositor::Surface::flushPendingFrameCallbacks (this=this@entry=0x7fbaab0f3ec8) at ./Source/WebKit/UIProcess/gtk/WaylandCompositor.cpp:258
 WebKit::WaylandCompositor::Surface::setWebPage (this=0x7fbaab0f3ec8, webPage=0x0) at ./Source/WebKit/UIProcess/gtk/WaylandCompositor.cpp:181
 WebKit::AcceleratedBackingStoreWayland::~AcceleratedBackingStoreWayland (this=0x7fbaab0ff2b8, __in_chrg=<optimized out>) at ./Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp:61
 WebKit::AcceleratedBackingStoreWayland::~AcceleratedBackingStoreWayland (this=0x7fbaab0ff2b8, __in_chrg=<optimized out>) at ./Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp:62
 std::default_delete<WebKit::AcceleratedBackingStore>::operator() (this=<optimized out>, __ptr=<optimized out>) at /usr/include/c++/7/bits/unique_ptr.h:78

[Paul Gevers (paul-climbing)]

Forwarded upstream: https://github.com/lwindolf/liferea/issues/603

[Paul Gevers (paul-climbing)]

This is a regression in Webkit and reported upstream: https://bugs.webkit.org/show_bug.cgi?id=183091