Description of problem:
Go to GNOME Activites, type "problem reporter" (crashes about two symbols before the end)

Version-Release number of selected component:
webkitgtk4-2.13.90-1.fc25

Additional info:
reporter:       libreport-2.7.2
backtrace_rating: 4
cmdline:        /usr/libexec/webkit2gtk-4.0/WebKitWebProcess 18
crash_function: IPC::Connection::didFailToSendSyncMessage
executable:     /usr/libexec/webkit2gtk-4.0/WebKitWebProcess
global_pid:     1808
kernel:         4.8.0-0.rc4.git0.1.fc25.x86_64
pkg_fingerprint: 4089 D8F2 FDB1 9C98
pkg_vendor:     Fedora Project
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #4 IPC::Connection::didFailToSendSyncMessage at /usr/src/debug/webkitgtk-2.13.90/Source/WebKit2/Platform/IPC/Connection.cpp:814
 #5 IPC::Connection::sendSyncMessage at /usr/src/debug/webkitgtk-2.13.90/Source/WebKit2/Platform/IPC/Connection.cpp:474
 #6 IPC::Connection::sendSync<Messages::WebProcessProxy::ShouldTerminate>(Messages::WebProcessProxy::ShouldTerminate&&, Messages::WebProcessProxy::ShouldTerminate::Reply&&, unsigned long, std::chrono::duration<long, std::ratio<1l, 1000l> >, WTF::OptionSet<IPC::SendSyncOption>) at /usr/src/debug/webkitgtk-2.13.90/Source/WebKit2/Platform/IPC/Connection.h:353
 #7 WebKit::WebProcess::shouldTerminate at /usr/src/debug/webkitgtk-2.13.90/Source/WebKit2/WebProcess/WebProcess.cpp:616
 #8 WebKit::ChildProcess::terminationTimerFired at /usr/src/debug/webkitgtk-2.13.90/Source/WebKit2/Shared/ChildProcess.cpp:160
 #9 WebKit::WebPage::close at /usr/src/debug/webkitgtk-2.13.90/Source/WebKit2/WebProcess/WebPage/WebPage.cpp:1113
 #10 IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(), std::tuple<>>(WebKit::WebPage*, void (WebKit::WebPage::*)(), std::tuple<>&&, std::integer_sequence<unsigned long>) at /usr/src/debug/webkitgtk-2.13.90/Source/WebKit2/Platform/IPC/HandleMessage.h:13
 #11 IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(), std::tuple<>, std::integer_sequence<unsigned long> >(std::tuple<>&&, WebKit::WebPage*, void (WebKit::WebPage::*)()) at /usr/src/debug/webkitgtk-2.13.90/Source/WebKit2/Platform/IPC/HandleMessage.h:19
 #12 IPC::handleMessage<Messages::WebPage::Close, WebKit::WebPage, void (WebKit::WebPage::*)()> at /usr/src/debug/webkitgtk-2.13.90/Source/WebKit2/Platform/IPC/HandleMessage.h:99
 #13 WebKit::WebPage::didReceiveWebPageMessage at /usr/src/debug/webkitgtk-2.13.90/x86_64-redhat-linux-gnu/DerivedSources/WebKit2/WebPageMessageReceiver.cpp:694