Version-Release number of selected component: webkitgtk4-2.14.2-1.fc25 Additional info: reporter: libreport-2.8.0 backtrace_rating: 4 cmdline: /usr/libexec/webkit2gtk-4.0/WebKitWebProcess 34 crash_function: WebCore::Animation::animationsMatch executable: /usr/libexec/webkit2gtk-4.0/WebKitWebProcess global_pid: 4555 kernel: 4.8.14-300.fc25.x86_64 pkg_fingerprint: 4089 D8F2 FDB1 9C98 pkg_vendor: Fedora Project runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (10 frames) #0 WebCore::Animation::animationsMatch at /usr/src/debug/webkitgtk-2.14.2/Source/WebCore/platform/animation/Animation.cpp:138 #1 WebCore::Animation::operator== at /usr/src/debug/webkitgtk-2.14.2/Source/WebCore/platform/animation/Animation.h:168 #2 WebCore::Animation::operator!= at /usr/src/debug/webkitgtk-2.14.2/Source/WebCore/platform/animation/Animation.h:169 #3 WebCore::AnimationList::operator== at /usr/src/debug/webkitgtk-2.14.2/Source/WebCore/platform/animation/AnimationList.cpp:59 #4 WTF::arePointingToEqualData<std::unique_ptr<WebCore::AnimationList, std::default_delete<WebCore::AnimationList> > > at /usr/src/debug/webkitgtk-2.14.2/Source/WTF/wtf/PointerComparison.h:33 #5 WebCore::StyleRareNonInheritedData::operator== at /usr/src/debug/webkitgtk-2.14.2/Source/WebCore/rendering/style/StyleRareNonInheritedData.cpp:258 #6 WebCore::DataRef<WebCore::StyleRareNonInheritedData>::operator== at /usr/src/debug/webkitgtk-2.14.2/Source/WebCore/rendering/style/DataRef.h:51 #7 WebCore::RenderStyle::operator== at /usr/src/debug/webkitgtk-2.14.2/Source/WebCore/rendering/style/RenderStyle.cpp:305 #8 WebCore::RenderStyle::operator!= at /usr/src/debug/webkitgtk-2.14.2/Source/WebCore/rendering/style/RenderStyle.h:549 #9 WebCore::Style::determineChange at /usr/src/debug/webkitgtk-2.14.2/Source/WebCore/style/StyleChange.cpp:63 Potential duplicate: bug 1394525
Created attachment 1234923 [details] File: backtrace
Created attachment 1234924 [details] File: cgroup
Created attachment 1234925 [details] File: core_backtrace
Created attachment 1234926 [details] File: dso_list
Created attachment 1234927 [details] File: environ
Created attachment 1234928 [details] File: exploitable
Created attachment 1234929 [details] File: limits
Created attachment 1234930 [details] File: maps
Created attachment 1234931 [details] File: mountinfo
Created attachment 1234932 [details] File: namespaces
Created attachment 1234933 [details] File: open_fds
Created attachment 1234934 [details] File: proc_pid_status
Created attachment 1234935 [details] File: var_log_messages
*** This bug has been marked as a duplicate of bug 1394525 ***
(I assume this was random and you don't know how to reproduce it, but if you do, a reproducer would be very useful!)