Description of problem: Just went to https://extensions.gnome.org/ Version-Release number of selected component: webkitgtk4-2.9.4-1.fc24 Additional info: reporter: libreport-2.6.2 backtrace_rating: 4 cmdline: /usr/libexec/webkit2gtk-4.0/WebKitPluginProcess 26 /usr/lib64/mozilla/plugins/libgnome-shell-browser-plugin.so crash_function: WebKit::NetscapePlugin::platformDestroy executable: /usr/libexec/webkit2gtk-4.0/WebKitPluginProcess global_pid: 7120 kernel: 4.2.0-0.rc3.git3.1.fc24.x86_64 runlevel: N 5 type: CCpp uid: 10001 Truncated backtrace: Thread no. 1 (10 frames) #0 WebKit::NetscapePlugin::platformDestroy at /usr/src/debug/webkitgtk-2.9.4/Source/WebKit2/WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp:231 #1 WebKit::NetscapePlugin::destroy at /usr/src/debug/webkitgtk-2.9.4/Source/WebKit2/WebProcess/Plugins/Netscape/NetscapePlugin.cpp:700 #2 WebKit::NetscapePlugin::initialize at /usr/src/debug/webkitgtk-2.9.4/Source/WebKit2/WebProcess/Plugins/Netscape/NetscapePlugin.cpp:673 #3 WebKit::PluginControllerProxy::initialize at /usr/src/debug/webkitgtk-2.9.4/Source/WebKit2/PluginProcess/PluginControllerProxy.cpp:122 #4 WebKit::WebProcessConnection::createPluginInternal at /usr/src/debug/webkitgtk-2.9.4/Source/WebKit2/PluginProcess/WebProcessConnection.cpp:220 #5 WebKit::WebProcessConnection::createPlugin at /usr/src/debug/webkitgtk-2.9.4/Source/WebKit2/PluginProcess/WebProcessConnection.cpp:265 #6 IPC::callMemberFunctionImpl<WebKit::WebProcessConnection, void (WebKit::WebProcessConnection::*)(WebKit::PluginCreationParameters const&, WTF::PassRefPtr<Messages::WebProcessConnection::CreatePlugin::DelayedReply>), Messages::WebProcessConnection::CreatePlugin::DelayedReply, std::tuple<WebKit::PluginCreationParameters>, 0ul>(WebKit::WebProcessConnection*, void (WebKit::WebProcessConnection::*)(WebKit::PluginCreationParameters const&, WTF::PassRefPtr<Messages::WebProcessConnection::CreatePlugin::DelayedReply>), WTF::PassRefPtr<Messages::WebProcessConnection::CreatePlugin::DelayedReply>, std::tuple<WebKit::PluginCreationParameters>&&, std::index_sequence<0ul>) at /usr/src/debug/webkitgtk-2.9.4/Source/WebKit2/Platform/IPC/HandleMessage.h:44 #7 IPC::callMemberFunction<WebKit::WebProcessConnection, void (WebKit::WebProcessConnection::*)(WebKit::PluginCreationParameters const&, WTF::PassRefPtr<Messages::WebProcessConnection::CreatePlugin::DelayedReply>), Messages::WebProcessConnection::CreatePlugin::DelayedReply, std::tuple<WebKit::PluginCreationParameters>, std::make_index_sequence<1ul> >(std::tuple<WebKit::PluginCreationParameters>&&, WTF::PassRefPtr<Messages::WebProcessConnection::CreatePlugin::DelayedReply>, WebKit::WebProcessConnection*, void (WebKit::WebProcessConnection::*)(WebKit::PluginCreationParameters const&, WTF::PassRefPtr<Messages::WebProcessConnection::CreatePlugin::DelayedReply>)) at /usr/src/debug/webkitgtk-2.9.4/Source/WebKit2/Platform/IPC/HandleMessage.h:50 #8 IPC::handleMessageDelayed<Messages::WebProcessConnection::CreatePlugin, WebKit::WebProcessConnection, void (WebKit::WebProcessConnection::*)(WebKit::PluginCreationParameters const&, WTF::PassRefPtr<Messages::WebProcessConnection::CreatePlugin::DelayedReply>)> at /usr/src/debug/webkitgtk-2.9.4/Source/WebKit2/Platform/IPC/HandleMessage.h:144 #9 WebKit::WebProcessConnection::didReceiveSyncWebProcessConnectionMessage at /usr/src/debug/webkitgtk-2.9.4/x86_64-redhat-linux-gnu/DerivedSources/WebKit2/WebProcessConnectionMessageReceiver.cpp:101 Potential duplicate: bug 1151769
Created attachment 1055952 [details] File: backtrace
Created attachment 1055953 [details] File: cgroup
Created attachment 1055954 [details] File: core_backtrace
Created attachment 1055956 [details] File: dso_list
Created attachment 1055957 [details] File: environ
Created attachment 1055958 [details] File: limits
Created attachment 1055959 [details] File: maps
Created attachment 1055960 [details] File: mountinfo
Created attachment 1055961 [details] File: namespaces
Created attachment 1055962 [details] File: open_fds
Created attachment 1055963 [details] File: proc_pid_status
Created attachment 1055964 [details] File: core.7740
Same question here: please confirm if you're running under X11 or under Wayland. Thanks!
It's Wayland.i haven't yet had the opportunity to try the same on X
Although this is a different crash from bug #1246710, the solution is the same: don't try to run NPAPI plugins under Wayland. I don't think we have any plans to ever support that. *** This bug has been marked as a duplicate of bug 1246710 ***