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Re: [tor-bugs] #27110 [Applications/Tor Browser]: TBB segfaults on I/O error and silently fails to restart



#27110: TBB segfaults on I/O error and silently fails to restart
--------------------------------------+-----------------------------------
 Reporter:  traumschule               |          Owner:  tbb-team
     Type:  defect                    |         Status:  needs_information
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
--------------------------------------+-----------------------------------

Comment (by traumschule):

 reported it upstream: https://bugzilla.mozilla.org/show_bug.cgi?id=1491537

 Hit {{{segfault at 0 ip af1f6ca7 sp ae9a6080 error 6 in
 libxul.so[aed4b000+6b9e000]}}} once more, this time reloading trac:

 {{{
 JavaScript error:
 http://ea5faa5po25cf7fb.onion/projects/tor/chrome/autocomplete/js/autocomplete.js,
 line 96: TypeError: $.browser is undefined
 ASSERT: Giving up waiting for the tab closing animation to finish (bug
 608589)
 ./Browser/start-tor-browser: line 375: 19262 Segmentation fault
 TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD}
 ./firefox --class "Tor Browser" -profile
 TorBrowser/Data/Browser/profile.default "${@}" < /dev/null
 }}}

 syslog showed
 {{{
 Sep 15 10:37:45 t43 kernel: [1075156.616000] Chrome_~dThread[19315]:
 segfault at 0 ip af20d0a7 sp ae9b9080 error 6 in
 libxul.so[aed61000+6bb0000]
 Sep 15 10:37:46 t43 kernel: [1075157.839491] Chrome_~dThread[19578]:
 segfault at 0 ip af1940a7 sp ae940080 error 6 in
 libxul.so[aece8000+6bb0000]
 Sep 15 10:37:46 t43 kernel: [1075159.792345] Chrome_~dThread[19538]:
 segfault at 0 ip af24a0a7 sp ae9f6080 error 6 in
 libxul.so[aed9e000+6bb0000]
 Sep 15 10:37:52 t43 kernel: [1075166.289269] Chrome_~dThread[19559]:
 segfault at 0 ip af20e0a7 sp ae9ba080 error 6 in
 libxul.so[aed62000+6bb0000]
 }}}

 dpkg upgraded libc and other packages shortly before, wonder if this is
 related. dpkg.log:
 {{{
 2018-09-15 09:47:10 upgrade emacsen-common:all 3.0.2 3.0.3
 2018-09-15 10:01:39 upgrade gir1.2-gtksource-3.0:i386 3.24.8-1 3.24.9-1
 2018-09-15 10:08:40 upgrade gnome-settings-daemon:i386 3.28.1-1 3.30.0-1
 2018-09-15 10:12:57 upgrade libarchive-zip-perl:all 1.63-1 1.64-1
 2018-09-15 10:17:59 upgrade libgc1c2:i386 1:7.4.2-8.3 1:7.6.4-0.4
 2018-09-15 10:25:39 upgrade libgtksourceview-3.0-common:all 3.24.8-1
 3.24.9-1
 2018-09-15 10:31:45 upgrade libgweather-3-15:i386 3.28.1-1 3.28.2-1
 }}}
 The system was heavily swapping during the upgrade and load was at 8 for
 long periods of time, so maybe I/O timout again.

 Found users who caught the same:
 https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1656065
 https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1766875
 https://forums.linuxmint.com/viewtopic.php?t=266558

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27110#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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