Bug 156509

Summary: Regression(r199360): assertion hit in Element::fastGetAttribute()
Product: WebKit Reporter: Chris Dumez <cdumez>
Component: DOMAssignee: Chris Dumez <cdumez>
Status: RESOLVED FIXED    
Severity: Normal CC: commit-queue, darin, esprehn+autocc, gyuyoung.kim, jiewen_tan, kling, koivisto, rniwa
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on:    
Bug Blocks: 156474    
Attachments:
Description Flags
Patch none

Chris Dumez
Reported 2016-04-12 11:40:20 PDT
Regression(r199360): assertion hit in Element::fastGetAttribute(): Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.JavaScriptCore 0x000000010bc32da7 WTFCrash + 39 1 com.apple.WebCore 0x00000001109a86d1 WebCore::Element::fastGetAttribute(WebCore::QualifiedName const&) const + 81 (Element.h:652) 2 com.apple.WebCore 0x00000001111829ae WebCore::DOMTokenList::tokens() + 46 (DOMTokenList.cpp:231) 3 com.apple.WebCore 0x00000001109c6805 WebCore::DOMTokenList::tokens() const + 21 (DOMTokenList.h:70) 4 com.apple.WebCore 0x00000001109c0f35 WebCore::DOMTokenList::length() const + 21 (DOMTokenList.h:87) 5 com.apple.WebCore 0x0000000111ad9719 WebCore::jsDOMTokenListLength(JSC::ExecState*, long long, JSC::PropertyName) + 153 (JSDOMTokenList.cpp:183) 6 com.apple.JavaScriptCore 0x000000010ba012a5 JSC::PropertySlot::customGetter(JSC::ExecState*, JSC::PropertyName) const + 149 7 com.apple.JavaScriptCore 0x000000010adaa374 JSC::PropertySlot::getValue(JSC::ExecState*, JSC::PropertyName) const + 132 8 com.apple.JavaScriptCore 0x000000010adaed0b JSC::JSValue::get(JSC::ExecState*, JSC::PropertyName, JSC::PropertySlot&) const + 91 9 com.apple.JavaScriptCore 0x000000010b84bb03 llint_slow_path_get_by_id + 243 10 com.apple.JavaScriptCore 0x000000010b858a38 llint_entry + 12020
Attachments
Patch (2.05 KB, patch)
2016-04-12 11:42 PDT, Chris Dumez 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Chris Dumez
Comment 1 2016-04-12 11:42:28 PDT
Created attachment 276252 [details] Patch
Chris Dumez
Comment 2 2016-04-12 11:44:46 PDT
Comment on attachment 276252 [details] Patch Clearing flags on attachment: 276252 Committed r199378: <http://trac.webkit.org/changeset/199378>
Chris Dumez
Comment 3 2016-04-12 11:44:52 PDT
All reviewed patches have been landed. Closing bug.
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