This bug was filed from the Socorro interface and is report bp-57405562-ecdb-4802-9692-ef84f2140508. ============================================================= This is currently in the top 20 on crash stats for nightly. It's happening mostly on Windows 7 and Windows 8.1. The first appearance of this was a couple of years ago, but it started to spike on nightly around 5/8. There are no comments in the bug reports. I don't know if other versions are affected. More reports at: https://crash-stats.mozilla.com/report/list?product=Firefox&signature=nsHTMLEditor%3A%3AIsVisBreak%28nsIDOMNode%2A%29 0 xul.dll nsHTMLEditor::IsVisBreak(nsIDOMNode *) 1 xul.dll nsTArray_Impl<std::pair<nsCString,nsCString>,nsTArrayInfallibleAllocator>::AppendElements<std::pair<nsAutoCString,nsAutoCString> >(std::pair<nsAutoCString,nsAutoCString> const *,unsigned int) 2 xul.dll nsSecureBrowserUIImpl::ConfirmPostToInsecureFromSecure() 3 xul.dll mozilla::UITimerCallback::Release() 4 xul.dll nsHTMLEditor::IsVisBreak(nsIDOMNode *) 5 xul.dll nsComputedDOMStyle::DoGetDirection() 6 xul.dll nsWebBrowserFind::GetRootSearchFrame(nsIDOMWindow * *) 7 xul.dll mozilla::UITimerCallback::Release() 8 xul.dll nsStyleSet::AppendPageRules(nsPresContext *,nsTArray<nsCSSPageRule *> &) 9 xul.dll mozilla::UITimerCallback::Release() 10 xul.dll nsTArray_base<nsTArrayFallibleAllocator,nsTArray_CopyWithConstructors<JS::Heap<JS::Value> > >::~nsTArray_base<nsTArrayFallibleAllocator,nsTArray_CopyWithConstructors<JS::Heap<JS::Value> > >() 11 xul.dll PL_DHashTableFinish(PLDHashTable *) 12 xul.dll PL_DHashTableFinish(PLDHashTable *) 13 xul.dll strcpy 14 xul.dll strcpy 15 xul.dll mozilla::ElementRestyler::InitializeAccessibilityNotifications() 16 xul.dll nsOnStopRequestEvent::`scalar deleting destructor'(unsigned int) 17 xul.dll strcpy 18 xul.dll NS_NewStyleContext(nsStyleContext *,nsIAtom *,nsCSSPseudoElements::Type,nsRuleNode *,bool) 19 xul.dll nsDocument::CreateNodeIterator(nsIDOMNode *,unsigned int,nsIDOMNodeFilter *,unsigned char,nsIDOMNodeIterator * *) 20 xul.dll strcpy 21 xul.dll mozilla::dom::DocumentFragment::WrapNode(JSContext *) 22 xul.dll mozilla::places::Database::GetStatement<172>(char const (&)[172]) 23 xul.dll strcpy 24 nss3.dll md_ImportFileMapFromString 25 xul.dll BlobImpl::GetValue(unsigned char const * *) 26 nss3.dll PR_IntervalToMilliseconds 27 xul.dll nsNavHistoryFolderResultNode::GetTags(nsAString_internal &) 28 user32.dll CalcWakeMask 29 xul.dll nsComponentManagerImpl::AutoRegister(nsIFile *) 30 xul.dll nsComponentManagerImpl::AutoRegister(nsIFile *) 31 xul.dll nsNavHistoryContainerResultNode::SortComparison_TagsGreater(nsNavHistoryResultNode *,nsNavHistoryResultNode *,void *) 32 xul.dll `anonymous namespace'::xClose(sqlite3_file *) 33 xul.dll nsComponentManagerImpl::AutoRegister(nsIFile *) 34 nss3.dll MD_CURRENT_THREAD 35 nss3.dll PR_Lock 36 xul.dll strcpy 37 xul.dll mozilla::CountingAllocatorBase<OggReporter>::CountingMalloc(unsigned __int64) 38 xul.dll mozilla::ipc::MessageLink::`scalar deleting destructor'(unsigned int) 39 xul.dll strcpy 40 xul.dll strcpy 41 xul.dll std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t> >::find_last_of(wchar_t const *,unsigned __int64,unsigned __int64) 42 xul.dll std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t> >::find_last_of(wchar_t const *,unsigned __int64,unsigned __int64) 43 xul.dll nsTArray_Impl<nsRefPtr<mozilla::SubBufferDecoder>,nsTArrayInfallibleAllocator>::AppendElements<nsRefPtr<mozilla::SubBufferDecoder> >(nsRefPtr<mozilla::SubBufferDecoder> const *,unsigned int) 44 xul.dll strcpy 45 xul.dll nsComponentManagerImpl::AutoRegister(nsIFile *) 46 xul.dll RunnableFunction<void (*)(mozilla::layers::CompositorParent *,mozilla::layers::CompositorChild *),Tuple2<nsRefPtr<mozilla::layers::CompositorParent>,nsRefPtr<mozilla::layers::CompositorChild> > >::`scalar deleting destructor'(unsigned int) 47 xul.dll CEnumFormatEtc::Next(unsigned long,tagFORMATETC *,unsigned long *) 48 xul.dll safe_browsing::ClientDownloadReport_UserInformation::Clear() 49 xul.dll [thunk]:nsNSSDialogs::QueryInterface`adjustor{56}' (nsID const &,void * *) 50 xul.dll strcpy 51 xul.dll strcpy 52 msvcr100.dll msvcr100.dll@0x3bf90 53 xul.dll strcpy 54 xul.dll strcpy 55 xul.dll std::vector<`anonymous namespace'::ObservationWithStack,std::allocator<`anonymous namespace'::ObservationWithStack> >::_Reserve(unsigned __int64) 56 xul.dll [thunk]:nsNSSDialogs::QueryInterface`adjustor{56}' (nsID const &,void * *) 57 xul.dll [thunk]:nsNSSDialogs::QueryInterface`adjustor{56}' (nsID const &,void * *) 58 xul.dll strcpy 59 xul.dll strcpy 60 xul.dll strcpy 61 xul.dll strcpy 62 mozglue.dll arena_malloc memory/mozjemalloc/jemalloc.c 63 xul.dll strcpy 64 xul.dll LossyConvertEncoding8to16::write_sse2(char const *,unsigned int) 65 xul.dll nsLocalFile::SetPersistentDescriptor(nsACString_internal const &) 66 firefox.exe mozilla::SetStrongPtr<nsIFile>(nsIFile * &,nsIFile *) obj-firefox/dist/include/mozilla/AppData.h 67 firefox.exe do_main browser/app/nsBrowserApp.cpp 68 xul.dll nsUUIDGenerator::nsUUIDGenerator() 69 xul.dll nsVariant::SetWritable(bool) 70 xul.dll base::SysUTF8ToWide(StringPiece const &) 71 xul.dll strcpy 72 xul.dll base::SysUTF8ToWide(StringPiece const &) 73 xul.dll std::vector<mozilla::Telemetry::ProcessedStack::Frame,std::allocator<mozilla::Telemetry::ProcessedStack::Frame> >::reserve(unsigned __int64) 74 xul.dll std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t> >::find_last_of(wchar_t const *,unsigned __int64,unsigned __int64) 75 xul.dll base::SysUTF8ToWide(StringPiece const &) 76 xul.dll std::vector<mozilla::Telemetry::ProcessedStack::Frame,std::allocator<mozilla::Telemetry::ProcessedStack::Frame> >::reserve(unsigned __int64) 77 firefox.exe NS_internal_main(int,char * *) browser/app/nsBrowserApp.cpp 78 firefox.exe wmain toolkit/xre/nsWindowsWMain.cpp 79 firefox.exe __tmainCRTStartup f:/dd/vctools/crt_bld/self_64_amd64/crt/src/crtexe.c:552 80 kernel32.dll kernel32.dll@0x159ed 81 ntdll.dll RtlUserThreadStart 82 kernel32.dll kernel32.dll@0x9b7e0 83 kernel32.dll kernel32.dll@0x9b7e0

There was a symbol problem last week, this is actually:

There was a symbol problem last week, this is actually: xul!RuleHash_ClassTable_GetKey xul!RuleHash_CSMatchEntry