[Webkit-unassigned] [Bug 176150] New: Crash in JSC::MacroAssemblerCodeRef::~MacroAssemblerCodeRef
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Aug 30 21:42:31 PDT 2017
https://bugs.webkit.org/show_bug.cgi?id=176150
Bug ID: 176150
Summary: Crash in
JSC::MacroAssemblerCodeRef::~MacroAssemblerCodeRef
Product: WebKit
Version: Other
Hardware: PC
OS: Linux
Status: NEW
Severity: Normal
Priority: P2
Component: JavaScriptCore
Assignee: webkit-unassigned at lists.webkit.org
Reporter: mcatanzaro at igalia.com
Crash in JSC::MacroAssemblerCodeRef::~MacroAssemblerCodeRef. I only have one report of this, so it's probably low priority:
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
Better backtrace plus register/assembler dump attached.
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