[Pkg-kde-extras] Bug#864825: gammaray: crashes target program on attach

[ydirson at free.fr]

Package: gammaray
Version: 2.7.0-1
severity: grave

When attaching to any Qt5 or Qt4 process, the target process crashes.
Here with a freshly-launched kwrite for demonstration:

#0  0x00007f21b4fd96ad in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f21af8429f6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f2194003020, timeout=<optimized out>, context=0x7f2194000990) at ././glib/gmain.c:4228
#2  g_main_context_iterate (context=context at entry=0x7f2194000990, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ././glib/gmain.c:3924
#3  0x00007f21af842b0c in g_main_context_iteration (context=0x7f2194000990, may_block=1) at ././glib/gmain.c:3990
#4  0x00007f21b58ed06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f21b58969ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f21b56c40f3 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f21b88b26d5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f21b56c8da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f21b151e494 in start_thread (arg=0x7f21a0dfc700) at pthread_create.c:333
#10 0x00007f21b4fe2aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7f21a5b0a580 (LWP 31110)):
[KCrash Handler]
#4  0x00007f219a2d65b1 in GammaRay::Server::listen() () from /usr/lib/libgammaray_core-qt5_7-x86_64.so.2.7.0
#5  0x00007f219a294bd1 in GammaRay::Probe::delayedInit() () from /usr/lib/libgammaray_core-qt5_7-x86_64.so.2.7.0
#6  0x00007f21b58c5499 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f21b617bb8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f21b6183341 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f21b58989e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f21b589b16d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f21b58ecc43 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f21af8427f7 in g_main_dispatch (context=0x7f219c0016f0) at ././glib/gmain.c:3203
#13 g_main_context_dispatch (context=context at entry=0x7f219c0016f0) at ././glib/gmain.c:3856
#14 0x00007f21af842a60 in g_main_context_iterate (context=context at entry=0x7f219c0016f0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ././glib/gmain.c:3929
#15 0x00007f21af842b0c in g_main_context_iteration (context=0x7f219c0016f0, may_block=1) at ././glib/gmain.c:3990
#16 0x00007f21b58ed04f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f21b58969ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f21b589f13c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x0000557eafc8198f in main ()