Only two reports of this so far: Truncated backtrace: Thread no. 1 (10 frames) #6 std::__throw_bad_function_call at ../../../../../libstdc++-v3/src/c++11/functexcept.cc:139 #7 operator() at /usr/include/c++/5.1.1/functional:2270 #8 WebKit::WebFrameLoaderClient::dispatchDecidePolicyForNavigationAction(WebCore::NavigationAction const&, WebCore::ResourceRequest const&, WTF::PassRefPtr<WebCore::FormState>, std::function<void (WebCore::PolicyAction)>) at /usr/src/debug/webkitgtk-2.8.3/Source/WebKit2/WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp:740 #9 WebCore::PolicyChecker::checkNavigationPolicy(WebCore::ResourceRequest const&, WebCore::DocumentLoader*, WTF::PassRefPtr<WebCore::FormState>, std::function<void (WebCore::ResourceRequest const&, WTF::PassRefPtr<WebCore::FormState>, bool)>) at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/loader/PolicyChecker.cpp:111 #10 WebCore::FrameLoader::loadWithDocumentLoader at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/loader/FrameLoader.cpp:1464 #11 WebCore::FrameLoader::loadWithNavigationAction at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/loader/FrameLoader.cpp:1326 #12 WebCore::FrameLoader::loadURL at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/loader/FrameLoader.cpp:1260 #13 WebCore::FrameLoader::loadFrameRequest at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/loader/FrameLoader.cpp:1179 #14 WebCore::FrameLoader::urlSelected at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/loader/FrameLoader.cpp:344 #15 WebCore::FrameLoader::changeLocation at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/loader/FrameLoader.cpp:318 Full backtrace at the downstream bug.
Created attachment 254307 [details] backtrace Eh, posting the full backtrace here, since the downstream bug is private and I don't want to change that because the backtrace contains some URLs: