Version-Release number of selected component: webkit2gtk3-2.22.0-1.fc28 Additional info: reporter: libreport-2.9.5 backtrace_rating: 3 cmdline: /usr/libexec/webkit2gtk-4.0/WebKitWebProcess 56 65 crash_function: WebKit::ShareableBitmap::isBackedBySharedMemory executable: /usr/libexec/webkit2gtk-4.0/WebKitWebProcess journald_cursor: s=d199190ea55c458aaf8f08253b20a0a9;i=552756;b=8f3bbed3bba04170b972395d3a7e1d6a;m=ef1f6dc56a;t=578bc589b08f3;x=f95efa12880e1010 kernel: 4.18.12-200.fc28.x86_64 rootdir: / runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (10 frames) #0 WebKit::ShareableBitmap::isBackedBySharedMemory at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/Shared/ShareableBitmap.h:109 #1 WebKit::ShareableBitmap::data at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/Shared/ShareableBitmap.cpp:170 #2 WebKit::ShareableBitmap::createCairoSurface at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/Shared/cairo/ShareableBitmapCairo.cpp:85 #3 WebKit::ShareableBitmap::createGraphicsContext at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/Shared/cairo/ShareableBitmapCairo.cpp:61 #4 WebKit::convertCairoSurfaceToShareableBitmap at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/WebProcess/WebCoreSupport/gtk/WebDragClientGtk.cpp:54 #5 WebKit::WebDragClient::startDrag at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/WebProcess/WebCoreSupport/gtk/WebDragClientGtk.cpp:69 #6 WebCore::DragController::doSystemDrag at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebCore/page/DragController.cpp:1266 #7 WebCore::DragController::doImageDrag at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebCore/platform/URL.h:58 #8 WebCore::DragController::startDrag at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebCore/page/DragController.cpp:1019 #9 WebCore::EventHandler::handleDrag at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebCore/page/MouseEventWithHitTestResults.h:34
Created attachment 1496253 [details] File: backtrace
Created attachment 1496254 [details] File: cgroup
Created attachment 1496255 [details] File: core_backtrace
Created attachment 1496256 [details] File: cpuinfo
Created attachment 1496257 [details] File: dso_list
Created attachment 1496258 [details] File: environ
Created attachment 1496259 [details] File: exploitable
Created attachment 1496260 [details] File: limits
Created attachment 1496261 [details] File: maps
Created attachment 1496262 [details] File: mountinfo
Created attachment 1496263 [details] File: open_fds
Created attachment 1496264 [details] File: proc_pid_status