[Webkit-unassigned] [Bug 106049] [Qt][WK2]REGRESSION(r138729): It made plugins/change-widget-and-click-crash.html crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=106049





--- Comment #4 from Csaba Osztrogonac <ossy at webkit.org>  2013-01-04 08:59:48 PST ---
The bug is still valid. Here is a debug crash log with symbols:

crash log for WebKitTestRunner (pid 7293):
STDOUT: <empty>
STDERR: ASSERTION FAILED: lines.size() == 3
STDERR: /home/oszi/WebKit/Source/WebKit2/UIProcess/Plugins/qt/PluginProcessProxyQt.cpp(211) : static bool WebKit::PluginProcessProxy::scanPlugin(const WTF::String&, WebKit::RawPluginMetaData&)
STDERR: 1   0x7f827a3cd491 /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WebKit::PluginProcessProxy::scanPlugin(WTF::String const&, WebKit::RawPluginMetaData&)+0x4a1) [0x7f827a3cd491]
STDERR: 2   0x7f827a2f6738 /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WebKit::NetscapePluginModule::getPluginInfo(WTF::String const&, WebKit::PluginModuleInfo&)+0x30) [0x7f827a2f6738]
STDERR: 3   0x7f827a3cf1fb /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WebKit::PluginInfoStore::getPluginInfo(WTF::String const&, WebKit::PluginModuleInfo&)+0x23) [0x7f827a3cf1fb]
STDERR: 4   0x7f827a3b35d5 /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WebKit::PluginInfoStore::loadPlugin(WTF::Vector<WebKit::PluginModuleInfo, 0ul>&, WTF::String const&)+0x2f) [0x7f827a3b35d5]
STDERR: 5   0x7f827a3b3500 /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WebKit::PluginInfoStore::loadPluginsIfNecessary()+0x288) [0x7f827a3b3500]
STDERR: 6   0x7f827a3b364b /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WebKit::PluginInfoStore::plugins()+0x33) [0x7f827a3b364b]
STDERR: 7   0x7f827a45f79f /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WebKit::WebProcessProxy::handleGetPlugins(unsigned long, bool)+0xcb) [0x7f827a45f79f]
STDERR: 8   0x7f827a46a926 /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WTF::FunctionWrapper<void (WebKit::WebProcessProxy::*)(unsigned long, bool)>::operator()(WebKit::WebProcessProxy*, unsigned long, bool)+0x6e) [0x7f827a46a926]
STDERR: 9   0x7f827a46a73c /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WTF::BoundFunctionImpl<WTF::FunctionWrapper<void (WebKit::WebProcessProxy::*)(unsigned long, bool)>, void ()(WebKit::WebProcessProxy*, unsigned long, bool)>::operator()()+0x62) [0x7f827a46a73c]
STDERR: 10  0x7f827a3829e4 /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WTF::Function<void ()()>::operator()() const+0x72) [0x7f827a3829e4]
STDERR: 11  0x7f827a5df5e8 /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WorkQueue::WorkItemQt::execute()+0x2c) [0x7f827a5df5e8]
STDERR: 12  0x7f827a5df602 /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(WorkQueue::WorkItemQt::executeAndDelete()+0x18) [0x7f827a5df602]
STDERR: 13  0x7f827a5dfd92 /home/oszi/WebKit/WebKitBuild/Debug/lib/libWebKit2.so.1(+0x9dbd92) [0x7f827a5dfd92]
STDERR: 14  0x7f826bd5770e /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5(QObject::event(QEvent*)+0x36e) [0x7f826bd5770e]
STDERR: 15  0x7f826d79d8cc /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5(QApplicationPrivate::notify_helper(QObject*, QEvent*)+0xac) [0x7f826d79d8cc]
STDERR: 16  0x7f826d7a3beb /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5(QApplication::notify(QObject*, QEvent*)+0x11b) [0x7f826d7a3beb]
STDERR: 17  0x7f826bd32c04 /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5(QCoreApplication::notifyInternal(QObject*, QEvent*)+0x84) [0x7f826bd32c04]
STDERR: 18  0x7f826bd37829 /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5(QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)+0x279) [0x7f826bd37829]
STDERR: 19  0x7f826bd7ed43 /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5(+0x27cd43) [0x7f826bd7ed43]
STDERR: 20  0x7f826f8656f2 /lib/libglib-2.0.so.0(g_main_context_dispatch+0x1f2) [0x7f826f8656f2]
STDERR: 21  0x7f826f869568 /lib/libglib-2.0.so.0(+0x42568) [0x7f826f869568]
STDERR: 22  0x7f826f86971c /lib/libglib-2.0.so.0(g_main_context_iteration+0x6c) [0x7f826f86971c]
STDERR: 23  0x7f826bd7e81b /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5(QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+0x6b) [0x7f826bd7e81b]
STDERR: 24  0x7f826bd31e4b /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5(QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)+0x11b) [0x7f826bd31e4b]
STDERR: 25  0x7f826bb917ea /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5(QThread::exec()+0x9a) [0x7f826bb917ea]
STDERR: 26  0x7f826bb969a9 /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5(+0x949a9) [0x7f826bb969a9]
STDERR: 27  0x7f826b66b8ca /lib/libpthread.so.0(+0x68ca) [0x7f826b66b8ca]
STDERR: 28  0x7f826aa14b6d /lib/libc.so.6(clone+0x6d) [0x7f826aa14b6d]

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