Description of problem: With various tabs (some loaded and others unloaded) opened from a previous session, I was at http://samuelhewitt.com/paper/icons . Clicked on the top link "PAPER" and Web crashed. Version-Release number of selected component: epiphany-runtime-3.18.0-4.fc23 Additional info: reporter: libreport-2.6.3 backtrace_rating: 4 cmdline: epiphany crash_function: convert_alpha executable: /usr/bin/epiphany global_pid: 16423 kernel: 4.2.5-300.fc23.x86_64 runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (10 frames) #0 convert_alpha at gdkpixbuf-drawable.c:169 #1 gdk_pixbuf_get_from_surface at gdkpixbuf-drawable.c:277 #2 ephy_pixbuf_get_from_surface_scaled at ephy-favicon-helpers.c:39 #3 _ephy_web_view_update_icon at ephy-web-view.c:638 #4 ephy_web_view_location_changed at ephy-web-view.c:1584 #5 load_changed_cb at ephy-web-view.c:1638 #10 webkitWebViewEmitLoadChanged at /usr/src/debug/webkitgtk-2.10.3/Source/WebKit2/UIProcess/API/gtk/WebKitWebView.cpp:1783 #11 WebKit::WebPageProxy::didCommitLoadForFrame at /usr/src/debug/webkitgtk-2.10.3/Source/WebKit2/UIProcess/WebPageProxy.cpp:3043 #12 IPC::callMemberFunctionImpl<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(unsigned long, unsigned long, WTF::String const&, bool, unsigned int, WebCore::CertificateInfo const&, bool, WebKit::UserData const&), std::tuple<unsigned long, unsigned long, WTF::String, bool, unsigned int, WebCore::CertificateInfo, bool, WebKit::UserData>, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul, 6ul, 7ul>(WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(unsigned long, unsigned long, WTF::String const&, bool, unsigned int, WebCore::CertificateInfo const&, bool, WebKit::UserData const&), std::tuple<unsigned long, unsigned long, WTF::String, bool, unsigned int, WebCore::CertificateInfo, bool, WebKit::UserData>&&, std::index_sequence<0ul, 1ul, 2ul, 3ul, 4ul, 5ul, 6ul, 7ul>) at /usr/src/debug/webkitgtk-2.10.3/Source/WebKit2/Platform/IPC/HandleMessage.h:16 #13 IPC::callMemberFunction<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(unsigned long, unsigned long, WTF::String const&, bool, unsigned int, WebCore::CertificateInfo const&, bool, WebKit::UserData const&), std::tuple<unsigned long, unsigned long, WTF::String, bool, unsigned int, WebCore::CertificateInfo, bool, WebKit::UserData>, std::make_index_sequence<8ul> >(std::tuple<unsigned long, unsigned long, WTF::String, bool, unsigned int, WebCore::CertificateInfo, bool, WebKit::UserData>&&, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(unsigned long, unsigned long, WTF::String const&, bool, unsigned int, WebCore::CertificateInfo const&, bool, WebKit::UserData const&)) at /usr/src/debug/webkitgtk-2.10.3/Source/WebKit2/Platform/IPC/HandleMessage.h:22
Created attachment 1096168 [details] File: backtrace
Created attachment 1096169 [details] File: cgroup
Created attachment 1096170 [details] File: core_backtrace
Created attachment 1096171 [details] File: dso_list
Created attachment 1096172 [details] File: environ
Created attachment 1096173 [details] File: exploitable
Created attachment 1096174 [details] File: limits
Created attachment 1096175 [details] File: maps
Created attachment 1096176 [details] File: mountinfo
Created attachment 1096177 [details] File: namespaces
Created attachment 1096178 [details] File: open_fds
Created attachment 1096179 [details] File: proc_pid_status
Created attachment 1096180 [details] File: var_log_messages