Version-Release number of selected component: webkitgtk4-2.16.3-1.fc25 Additional info: reporter: libreport-2.8.0 backtrace_rating: 4 cmdline: /usr/libexec/webkit2gtk-4.0/WebKitWebProcess 32 crash_function: std::__exchange<WTF::MetaAllocatorHandle*, decltype(nullptr)>(WTF::MetaAllocatorHandle*&, decltype(nullptr)&&) executable: /usr/libexec/webkit2gtk-4.0/WebKitWebProcess global_pid: 22185 kernel: 4.11.3-200.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 std::__exchange<WTF::MetaAllocatorHandle*, decltype(nullptr)>(WTF::MetaAllocatorHandle*&, decltype(nullptr)&&) at /usr/include/c++/6.3.1/bits/move.h:143 #1 std::exchange<WTF::MetaAllocatorHandle*, decltype(nullptr)>(WTF::MetaAllocatorHandle*&, decltype(nullptr)&&) at /usr/include/c++/6.3.1/utility:255 #2 WTF::RefPtr<WTF::MetaAllocatorHandle>::~RefPtr at /usr/src/debug/webkitgtk-2.16.3/Source/WTF/wtf/RefPtr.h:62 #3 JSC::MacroAssemblerCodeRef::~MacroAssemblerCodeRef at /usr/src/debug/webkitgtk-2.16.3/Source/JavaScriptCore/assembler/MacroAssemblerCodeRef.h:341 #4 WebCore::RuleData::~RuleData at /usr/src/debug/webkitgtk-2.16.3/Source/WebCore/css/RuleSet.h:65 #5 WTF::VectorDestructor<true, WebCore::RuleData>::destruct at /usr/src/debug/webkitgtk-2.16.3/Source/WTF/wtf/Vector.h:60 #6 WTF::VectorTypeOperations<WebCore::RuleData>::destruct at /usr/src/debug/webkitgtk-2.16.3/Source/WTF/wtf/Vector.h:224 #7 WTF::Vector<WebCore::RuleData, 1ul, WTF::CrashOnOverflow, 16ul>::~Vector at /usr/src/debug/webkitgtk-2.16.3/Source/WTF/wtf/Vector.h:631 #8 std::default_delete<WTF::Vector<WebCore::RuleData, 1ul, WTF::CrashOnOverflow, 16ul> >::operator() at /usr/include/c++/6.3.1/bits/unique_ptr.h:76 #9 std::unique_ptr<WTF::Vector<WebCore::RuleData, 1ul, WTF::CrashOnOverflow, 16ul>, std::default_delete<WTF::Vector<WebCore::RuleData, 1ul, WTF::CrashOnOverflow, 16ul> > >::reset at /usr/include/c++/6.3.1/bits/unique_ptr.h:347
Created attachment 1286282 [details] File: backtrace
Created attachment 1286283 [details] File: cgroup
Created attachment 1286284 [details] File: core_backtrace
Created attachment 1286285 [details] File: dso_list
Created attachment 1286286 [details] File: environ
Created attachment 1286287 [details] File: exploitable
Created attachment 1286288 [details] File: limits
Created attachment 1286289 [details] File: maps
Created attachment 1286290 [details] File: mountinfo
Created attachment 1286291 [details] File: namespaces
Created attachment 1286292 [details] File: open_fds
Created attachment 1286293 [details] File: proc_pid_status
Created attachment 1286294 [details] File: var_log_messages