Bug#850513: epiphany-browser: Epiphany locks up system when visiting https://exoplanets.nasa.gov/newworldsatlas/582/ or the like

[Vince Barwinski]

Package: epiphany-browser
Version: 3.22.3-1
Severity: important

Dear Maintainer,



   * What led up to the situation? System locked up when visiting https://exoplanets.nasa.gov/newworldsatlas/582/ or the like. Also, visiting Goolge Maps led to the page failing to load with epiphany bringing up its error page.
   * What exactly did you do (or not do) that was effective (or
     ineffective)? I could only think of checking system logs
   * What was the outcome of this action? I could think of nothing else to try.
   * What outcome did you expect instead? I could think of nothing else to try.




-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.8.0-2-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_AU.utf8, LC_CTYPE=en_AU.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages epiphany-browser depends on:
ii  dbus-user-session [default-dbus-session-bus]  1.10.14-1
ii  dbus-x11 [dbus-session-bus]                   1.10.14-1
ii  epiphany-browser-data                         3.22.3-1
ii  gsettings-desktop-schemas                     3.22.0-1
ii  iso-codes                                     3.72-1
ii  libavahi-client3                              0.6.32-1
ii  libavahi-common3                              0.6.32-1
ii  libavahi-gobject0                             0.6.32-1
ii  libc6                                         2.24-8
ii  libcairo2                                     1.14.8-1
ii  libgcr-base-3-1                               3.20.0-3
ii  libgcr-ui-3-1                                 3.20.0-3
ii  libgdk-pixbuf2.0-0                            2.36.2-1
ii  libglib2.0-0                                  2.50.2-2
ii  libgnome-desktop-3-12                         3.22.2-1
ii  libgtk-3-0                                    3.22.5-1
ii  libjavascriptcoregtk-4.0-18                   2.14.2-1
ii  libnotify4                                    0.7.7-1
ii  libpango-1.0-0                                1.40.3-3
ii  libpangocairo-1.0-0                           1.40.3-3
ii  libsecret-1-0                                 0.18.5-2
ii  libsoup2.4-1                                  2.56.0-2
ii  libsqlite3-0                                  3.15.2-2
ii  libwebkit2gtk-4.0-37                          2.14.2-1
ii  libx11-6                                      2:1.6.4-2
ii  libxml2                                       2.9.4+dfsg1-2.1
ii  libxslt1.1                                    1.1.29-2

Versions of packages epiphany-browser recommends:
ii  browser-plugin-evince  3.22.1-3
ii  ca-certificates        20161130
ii  evince                 3.22.1-3
ii  yelp                   3.22.0-1

epiphany-browser suggests no packages.

-- no debconf information

The following is from /var/log/messages when visiting https://exoplanets.nasa.gov/newworldsatlas/582/ locking up my system.
Dec 26 17:06:56 debiantesting kernel: [  261.494080] WebKitPluginPro[1994]: segfault at f0 ip 00007f8baf102bf2 sp 00007fff6ebebe88 error 4 in libgdk-3.so.0.2200.5[7f8baf0bc000+ed000]

The follwing is from /var/log/kern.log when visiting https://exoplanets.nasa.gov/newworldsatlas/582/ locking up my system. 
Dec 26 17:06:56 debiantesting kernel: [  261.494080] WebKitPluginPro[1994]: segfault at f0 ip 00007f8baf102bf2 sp 00007fff6ebebe88 error 4 in libgdk-3.so.0.2200.5[7f8baf0bc000+ed000]
Dec 26 16:57:06 debiantesting kernel: [29068.855803] nouveau 0000:01:00.0: WebKitWebProces[12667]: failed to idle channel 5 [WebKitWebProces[12667]]
Dec 26 16:57:21 debiantesting kernel: [29083.856154] nouveau 0000:01:00.0: WebKitWebProces[12667]: failed to idle channel 5 [WebKitWebProces[12667]]
Dec 26 17:08:38 debiantesting kernel: [  363.346895] nouveau 0000:01:00.0: WebKitWebProces[2207]: failed to idle channel 5 [WebKitWebProces[2207]]

The following is from /var/log/messages when visiting Google Maps which failed to load bringing up epiphany error page 
Jan  7 15:06:36 debiantesting kernel: [17995.243137] WebKitWebProces[6922]: segfault at 7fd203ed9000 ip 00007fd17f7ede37 sp 00007ffe10d59f88 error 4 in nouveau_dri.so[7fd17f288000+93b000]

The following is from /var/log/kern.log when visiting Google Maps which failed to load bringing up epiphany error page 
Jan  7 15:06:36 debiantesting kernel: [17995.243137] WebKitWebProces[6922]: segfault at 7fd203ed9000 ip 00007fd17f7ede37 sp 00007ffe10d59f88 error 4 in nouveau_dri.so[7fd17f288000+93b000]