Description of problem: It happened when opening a PDF file in epiphany 3.15.1 with mozplugger 2.1.6 being installed. Version-Release number of selected component: webkitgtk4-2.7.3-2.fc22 Additional info: reporter: libreport-2.3.0 backtrace_rating: 4 cmdline: /usr/libexec/webkit2gtk-4.0/WebKitPluginProcess 23 /home/frieben/.mozilla/plugins/mozplugger0.so crash_function: WebKit::NetscapePlugin::platformDestroy executable: /usr/libexec/webkit2gtk-4.0/WebKitPluginProcess kernel: 3.19.0-0.rc3.git1.3.fc22.x86_64 runlevel: N 5 type: CCpp uid: 1001 Truncated backtrace: Thread no. 1 (10 frames) #0 WebKit::NetscapePlugin::platformDestroy at /usr/src/debug/webkitgtk-2.7.3/Source/WebKit2/WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp:237 #1 WebKit::NetscapePlugin::destroy at /usr/src/debug/webkitgtk-2.7.3/Source/WebKit2/WebProcess/Plugins/Netscape/NetscapePlugin.cpp:706 #2 WebKit::NetscapePlugin::initialize at /usr/src/debug/webkitgtk-2.7.3/Source/WebKit2/WebProcess/Plugins/Netscape/NetscapePlugin.cpp:679 #3 WebKit::PluginControllerProxy::initialize at /usr/src/debug/webkitgtk-2.7.3/Source/WebKit2/PluginProcess/PluginControllerProxy.cpp:122 #4 WebKit::WebProcessConnection::createPluginInternal at /usr/src/debug/webkitgtk-2.7.3/Source/WebKit2/PluginProcess/WebProcessConnection.cpp:219 #5 WebKit::WebProcessConnection::createPlugin at /usr/src/debug/webkitgtk-2.7.3/Source/WebKit2/PluginProcess/WebProcessConnection.cpp:264 #6 callMemberFunctionImpl<WebKit::WebProcessConnection, void (WebKit::WebProcessConnection::*)(WebKit::PluginCreationParameters const&, WTF::PassRefPtr<Messages::WebProcessConnection::CreatePlugin::DelayedReply>), Messages::WebProcessConnection::CreatePlugin::DelayedReply, std::tuple<WebKit::PluginCreationParameters>, 0ul> at /usr/src/debug/webkitgtk-2.7.3/Source/WebKit2/Platform/IPC/HandleMessage.h:44 #7 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> > at /usr/src/debug/webkitgtk-2.7.3/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-2.7.3/Source/WebKit2/Platform/IPC/HandleMessage.h:197 #9 WebKit::WebProcessConnection::didReceiveSyncWebProcessConnectionMessage at /usr/src/debug/webkitgtk-2.7.3/x86_64-redhat-linux-gnu/DerivedSources/WebKit2/WebProcessConnectionMessageReceiver.cpp:100 Potential duplicate: bug 1151769
Created attachment 978948 [details] File: backtrace
Created attachment 978949 [details] File: cgroup
Created attachment 978950 [details] File: core_backtrace
Created attachment 978951 [details] File: dso_list
Created attachment 978952 [details] File: environ
Created attachment 978953 [details] File: exploitable
Created attachment 978954 [details] File: limits
Created attachment 978955 [details] File: maps
Created attachment 978956 [details] File: open_fds
Created attachment 978957 [details] File: proc_pid_status
Created attachment 978958 [details] File: var_log_messages
This bug appears to have been reported against 'rawhide' during the Fedora 22 development cycle. Changing version to '22'. More information and reason for this action is here: https://fedoraproject.org/wiki/Fedora_Program_Management/HouseKeeping/Fedora22
Were you running in Wayland or X11?
If I remember correctly I was running Wayland at that time.
*** This bug has been marked as a duplicate of bug 1151769 ***