Program terminated with signal SIGSEGV, Segmentation fault. #0 WebKit::WebFrameNetworkingContext::storageSession (this=0x7f7439990b28) at /usr/src/debug/webkitgtk-2.8.3/Source/WebKit2/WebProcess/WebCoreSupport/soup/WebFrameNetworkingContext.cpp:88 88 if (frame() && frame()->page()->usesEphemeralSession()) I guess we had a frame() but not a frame()->page()? Truncated backtrace: Thread no. 1 (10 frames) #0 WebKit::WebFrameNetworkingContext::storageSession at /usr/src/debug/webkitgtk-2.8.3/Source/WebKit2/WebProcess/WebCoreSupport/soup/WebFrameNetworkingContext.cpp:88 #1 WebCore::sessionFromContext at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/platform/network/soup/ResourceHandleSoup.cpp:262 #2 WebCore::ResourceHandleInternal::soupSession at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/platform/network/soup/ResourceHandleSoup.cpp:272 #3 WebCore::ResourceHandle::cancel at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/platform/network/soup/ResourceHandleSoup.cpp:1055 #4 WebCore::PingLoader::~PingLoader at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/loader/PingLoader.cpp:139 #6 WebCore::sendRequestCallback at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/platform/network/soup/ResourceHandleSoup.cpp:716 #7 g_task_return_now at gtask.c:1088 #8 g_task_return at gtask.c:1146 #9 http_input_stream_ready_cb at soup-request-http.c:124 #10 g_task_return_now at gtask.c:1088 Full backtrace downstream.