Bug#776686: libwebkitgtk-3.0-0: Crash with SIGBUS in `WebCore::WidthIterator::advanceInternal`

Paul Menzel pm.debian at googlemail.com
Sat Jan 31 00:16:58 UTC 2015

Package: libwebkitgtk-3.0-0
Version: 2.4.8-1
Severity: critical
Tags: upstream
Justification: causes serious data loss
Control: affects -1 evolution
Control: forwarded -1 https://bugs.webkit.org/show_bug.cgi?id=141093

Dear Debian folks,

Evolution sometimes crashes with a bus error (SIGBUS) when reading

	Core was generated by `evolution'.
	Program terminated with signal SIGBUS, Bus error.
	#0  WebCore::WidthIterator::advanceInternal<WebCore::Latin1TextIterator> (this=0xbfe4d47c, textIterator=..., glyphBuffer=0xbfe4d500)
	    at ../Source/WebCore/platform/graphics/WidthIterator.cpp:156

You can find the whole backtrace attached to this report and the
upstream ticket in the WebKit Bugzilla bug tracker [1].

As Evolution only autosaves only every ten(?) minutes, a crash during
writing a message, where, for example, data is copied from somewhere,
pasted into the message and deleted in the source afterward, causes
serious data loss, as, even if the message was restored, it is probably
an earlier version with the data gone.



[1] https://bugs.webkit.org/show_bug.cgi?id=141093

-- System Information:
Debian Release: 8.0
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 3.16.0-4-686-pae (SMP w/2 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Init: systemd (via /run/systemd/system)

Versions of packages libwebkitgtk-3.0-0 depends on:
ii  libatk1.0-0                     2.14.0-1
ii  libc6                           2.19-13
ii  libcairo-gobject2               1.14.0-2.1
ii  libcairo2                       1.14.0-2.1
ii  libenchant1c2a                  1.6.0-10.1
ii  libfontconfig1                  2.11.0-6.3
ii  libfreetype6                    2.5.2-2
ii  libgcc1                         1:4.9.2-10
ii  libgdk-pixbuf2.0-0              2.31.1-2+b1
ii  libgl1-mesa-glx [libgl1]        10.4.2-2
ii  libglib2.0-0                    2.42.1-1
ii  libgstreamer-plugins-base1.0-0  1.4.4-2
ii  libgstreamer1.0-0               1.4.4-2
ii  libgtk-3-0                      3.14.5-1
ii  libharfbuzz-icu0                0.9.35-2
ii  libharfbuzz0b                   0.9.35-2
ii  libicu52                        52.1-7
ii  libjavascriptcoregtk-3.0-0      2.4.8-1
ii  libjpeg62-turbo                 1:1.3.1-8
ii  libpango-1.0-0                  1.36.8-3
ii  libpangocairo-1.0-0             1.36.8-3
ii  libpangoft2-1.0-0               1.36.8-3
ii  libpng12-0                      1.2.50-2+b2
ii  libsecret-1-0                   0.18-1+b1
ii  libsoup2.4-1                    2.48.0-1
ii  libsqlite3-0          
ii  libstdc++6                      4.9.2-10
ii  libwebkitgtk-3.0-common         2.4.8-1
ii  libwebp5                        0.4.1-1.2+b2
ii  libx11-6                        2:1.6.2-3
ii  libxcomposite1                  1:0.4.4-1
ii  libxdamage1                     1:1.1.4-2+b1
ii  libxfixes3                      1:5.0.1-2+b2
ii  libxml2                         2.9.2+dfsg1-2
ii  libxrender1                     1:0.9.8-1+b1
ii  libxslt1.1                      1.1.28-2+b2
ii  libxt6                          1:1.1.4-1+b1
ii  multiarch-support               2.19-13
ii  zlib1g                          1:1.2.8.dfsg-2+b1

Versions of packages libwebkitgtk-3.0-0 recommends:
ii  geoclue-2.0                2.1.10-2
ii  gstreamer1.0-plugins-base  1.4.4-2
ii  gstreamer1.0-plugins-good  1.4.4-2

libwebkitgtk-3.0-0 suggests no packages.

-- no debconf information
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