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Bug#804694: marked as done (libqt5xcbqpa5 SIGSEGV crashes sporadically at QXcbWindow::handleClientMessageEvent)

Your message dated Sun, 25 Dec 2016 23:49:56 +0300
with message-id <20161225204956.edr4j3adk7vbe3ge@mitya57.me>
and subject line Re: Bug#804694: libqt5xcbqpa5 SIGSEGV crashes sporadically at QXcbWindow::handleClientMessageEvent
has caused the Debian Bug report #804694,
regarding libqt5xcbqpa5 SIGSEGV crashes sporadically at QXcbWindow::handleClientMessageEvent
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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-- 
804694: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=804694
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: libqt5xcbqpa5
Version: 5.5.1+dfsg-6
Severity: important

Applications that are based on QT can crash with a SIGSEGV.

This happens for me on owncloud-client and quasselclient, others maybe
as well, but not yet stacktraced.

Here is a backtrace for quasselclient.

I'll happily supply more details if required. But I'm not very deep into QT.

Cheers
Markus

Program received signal SIGSEGV, Segmentation fault.
0x00007fffe1a6e94f in QXcbWindow::handleClientMessageEvent(xcb_client_message_event_t const*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
(gdb) bt
#0  0x00007fffe1a6e94f in QXcbWindow::handleClientMessageEvent(xcb_client_message_event_t const*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#1  0x00007fffe1a59b2b in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#2  0x00007fffe1a5a053 in QXcbConnection::processXcbEvents() () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#3  0x00007ffff2e777f1 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff373c9dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#5  0x00007ffff3741ea6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#6  0x00007ffff2e47dbb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffff2e4a1b6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffff2e9e163 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ffff08bdfe7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff08be240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007ffff08be2ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007ffff2e9e56f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007ffff2e4554a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007ffff2e4d62c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x0000555555671736 in main ()

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing'), (90, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.2.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages libqt5xcbqpa5 depends on:
ii  libc6                            2.19-22
ii  libegl1-mesa [libegl1-x11]       10.6.8-1
ii  libfontconfig1                   2.11.0-6.3
ii  libfreetype6                     2.6-2
ii  libgcc1                          1:5.2.1-23
ii  libgl1-mesa-glx [libgl1]         10.6.8-1
ii  libglib2.0-0                     2.46.1-2
ii  libice6                          2:1.0.9-1+b1
ii  libqt5core5a [qtbase-abi-5-5-1]  5.5.1+dfsg-6
ii  libqt5dbus5                      5.5.1+dfsg-6
ii  libqt5gui5                       5.5.1+dfsg-6
ii  libsm6                           2:1.2.2-1+b1
ii  libstdc++6                       5.2.1-23
ii  libx11-6                         2:1.6.3-1
ii  libx11-xcb1                      2:1.6.3-1
ii  libxcb-glx0                      1.10-3+b1
ii  libxcb-icccm4                    0.4.1-1
ii  libxcb-image0                    0.4.0-1
ii  libxcb-keysyms1                  0.4.0-1
ii  libxcb-randr0                    1.10-3+b1
ii  libxcb-render-util0              0.3.9-1
ii  libxcb-render0                   1.10-3+b1
ii  libxcb-shape0                    1.10-3+b1
ii  libxcb-shm0                      1.10-3+b1
ii  libxcb-sync1                     1.10-3+b1
ii  libxcb-xfixes0                   1.10-3+b1
ii  libxcb-xkb1                      1.10-3+b1
ii  libxcb1                          1.10-3+b1
ii  libxi6                           2:1.7.5-1
ii  libxkbcommon-x11-0               0.5.0-1
ii  libxkbcommon0                    0.5.0-1
ii  libxrender1                      1:0.9.9-2

libqt5xcbqpa5 recommends no packages.

libqt5xcbqpa5 suggests no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
Version: qtbase-opensource-src/5.6.0~beta+dfsg-1

On Sun, Dec 13, 2015 at 01:12:54PM +0300, Dmitry Shachnev wrote:
> That is now merged upstream in 5.6 branch. It is not easily backportable
> to 5.5, so it will be in Debian only when Qt 5.6 is released.

We have 5.6 for a long time now (and even 5.7), so closing this old bug.

--
Dmitry Shachnev

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