110756 2013-02-25 07:20:38 -0800 REGRESSION(r143654): some jquery test asserts on 32 bit debug build 2013-02-25 20:27:41 -0800 1 1 1 Unclassified WebKit Tools / Tests 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 79668 109371 1 zarvai fpizlo fpizlo hausmann kadam oliver ossy oldest_to_newest 840946 0 zarvai 2013-02-25 07:20:38 -0800 After r143654 some tests started crashing. fast/js tests related problem was solved by https://bugs.webkit.org/show_bug.cgi?id=110590. We just realized that some jquery tests are also affected by the changes in 32bit debug build: jquery/offset.html jquery/deferred.html jquery/event.html jquery/core.html jquery/manipulation.html jquery/traversing.html http://build.webkit.sed.hu/results/x86-32%20Linux%20Qt%20Debug/r143910%20%2824581%29/results.html Backtrace with Qt 5.0.1, WebKit r143918, jquery/offset.html: (32bit)azbest@cute4:~/32bit/WebKit$ ../run-in-xvfb.sh gdb WebKitBuild/Debug/bin/DumpRenderTree GNU gdb (Ubuntu/Linaro 7.4-2012.02-0ubuntu2) 7.4-2012.02 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i686-linux-gnu". For bug reporting instructions, please see: <http://bugs.launchpad.net/gdb-linaro/>... Reading symbols from /home/azbest/32bit/WebKit/WebKitBuild/Debug/bin/DumpRenderTree...done. (gdb) run jquery/offset.html Starting program: /home/azbest/32bit/WebKit/WebKitBuild/Debug/bin/DumpRenderTree jquery/offset.html [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1". [New Thread 0xf01b5b40 (LWP 2265)] [New Thread 0xef7ffb40 (LWP 2268)] [Thread 0xef7ffb40 (LWP 2268) exited] [New Thread 0xef7ffb40 (LWP 2270)] [New Thread 0xee945b40 (LWP 2272)] ASSERTION FAILED: mode == ManualOperandSpeculation || edge.useKind() == UntypedUse /home/azbest/32bit/WebKit/Source/JavaScriptCore/dfg/DFGSpeculativeJIT.h(2393) : JSC::DFG::JSValueOperand::JSValueOperand(JSC::DFG::SpeculativeJIT*, JSC::DFG::Edge, JSC::DFG::OperandSpeculationMode) 1 0xf60b0309 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1b7f309) [0xf60b0309] 2 0xf60d6293 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1ba5293) [0xf60d6293] 3 0xf609c403 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1b6b403) [0xf609c403] 4 0xf609cae6 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1b6bae6) [0xf609cae6] 5 0xf6068427 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1b37427) [0xf6068427] 6 0xf60695f6 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1b385f6) [0xf60695f6] 7 0xf6059e62 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1b28e62) [0xf6059e62] 8 0xf6059699 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1b28699) [0xf6059699] 9 0xf61ec7a0 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1cbb7a0) [0xf61ec7a0] 10 0xf61eca5c /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1cbba5c) [0xf61eca5c] 11 0xf61eadcc /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1cb9dcc) [0xf61eadcc] 12 0xf61ea5dd /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1cb95dd) [0xf61ea5dd] 13 0xf5f5f768 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1a2e768) [0xf5f5f768] 14 0xf5f5a44d /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1a2944d) [0xf5f5a44d] 15 0xf613f2de /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1c0e2de) [0xf613f2de] 16 0xf613c146 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1c0b146) [0xf613c146] 17 0xeea002f8 [0xeea002f8] 18 0xf6106fd1 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1bd5fd1) [0xf6106fd1] 19 0xf6104e07 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1bd3e07) [0xf6104e07] 20 0xf61da1cf /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(_ZN3JSC4callEPNS_9ExecStateENS_7JSValueENS_8CallTypeERKNS_8CallDataES2_RKNS_7ArgListE+0x129) [0xf61da1cf] 21 0xf61f03b9 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1cbf3b9) [0xf61f03b9] 22 0xf027314f [0xf027314f] 23 0xf6106fd1 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1bd5fd1) [0xf6106fd1] 24 0xf6104e07 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x1bd3e07) [0xf6104e07] 25 0xf61da1cf /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(_ZN3JSC4callEPNS_9ExecStateENS_7JSValueENS_8CallTypeERKNS_8CallDataES2_RKNS_7ArgListE+0x129) [0xf61da1cf] 26 0xf4ae15e6 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x5b05e6) [0xf4ae15e6] 27 0xf4b38969 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x607969) [0xf4b38969] 28 0xf4b38b62 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x607b62) [0xf4b38b62] 29 0xf4b386ea /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0x6076ea) [0xf4b386ea] 30 0xf51e9b61 /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0xcb8b61) [0xf51e9b61] 31 0xf53469bf /home/azbest/32bit/WebKit/WebKitBuild/Debug/lib/libQt5WebKit.so.5(+0xe159bf) [0xf53469bf] Program received signal SIGSEGV, Segmentation fault. 0xf60b0313 in JSC::DFG::JSValueOperand::JSValueOperand(JSC::DFG::SpeculativeJIT*, JSC::DFG::Edge, JSC::DFG::OperandSpeculationMode) () at /home/azbest/32bit/WebKit/Source/WTF/wtf/PrintStream.h:58 58 } (gdb) bt #0 0xf60b0313 in JSC::DFG::JSValueOperand::JSValueOperand(JSC::DFG::SpeculativeJIT*, JSC::DFG::Edge, JSC::DFG::OperandSpeculationMode) () at /home/azbest/32bit/WebKit/Source/WTF/wtf/PrintStream.h:58 #1 0xf60d6293 in JSC::DFG::SpeculativeJIT::compile(JSC::DFG::Node*) () at /home/azbest/32bit/WebKit/Source/JavaScriptCore/dfg/DFGSpeculativeJIT32_64.cpp:4399 #2 0xf609c403 in JSC::DFG::SpeculativeJIT::compile (this=0xffffacc0, block=0x851b6d8) at /home/azbest/32bit/WebKit/Source/JavaScriptCore/dfg/DFGSpeculativeJIT.cpp:1767 #3 0xf609cae6 in JSC::DFG::SpeculativeJIT::compile (this=0xffffacc0) at /home/azbest/32bit/WebKit/Source/JavaScriptCore/dfg/DFGSpeculativeJIT.cpp:1881 #4 0xf6068427 in JSC::DFG::JITCompiler::compileBody (this=0xffffbf0c, speculative=0xffffacc0) at /home/azbest/32bit/WebKit/Source/JavaScriptCore/dfg/DFGJITCompiler.cpp:108 #5 0xf60695f6 in JSC::DFG::JITCompiler::compileFunction(JSC::JITCode&, JSC::MacroAssemblerCodePtr&) () at /home/azbest/32bit/WebKit/Source/JavaScriptCore/dfg/DFGJITCompiler.cpp:302 #6 0xf6059e62 in JSC::DFG::compile(JSC::DFG::CompileMode, JSC::ExecState*, JSC::CodeBlock*, JSC::JITCode&, JSC::MacroAssemblerCodePtr*, unsigned int) () ---Type <return> to continue, or q <return> to quit--- at /home/azbest/32bit/WebKit/Source/WTF/wtf/PrintStream.h:58 #7 0xf6059699 in JSC::DFG::tryCompileFunction(JSC::ExecState*, JSC::CodeBlock*, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, unsigned int) () at /home/azbest/32bit/WebKit/Source/JavaScriptCore/dfg/DFGDriver.cpp:189 #8 0xf61ec7a0 in JSC::jitCompileFunctionIfAppropriate(JSC::ExecState*, WTF::OwnPtr<JSC::FunctionCodeBlock>&, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, JSC::JITCode::JITType, unsigned int, JSC::JITCompilationEffort) () at /home/azbest/32bit/WebKit/Source/JavaScriptCore/bytecode/SpeculatedType.h:260 #9 0xf61eca5c in JSC::prepareFunctionForExecution(JSC::ExecState*, WTF::OwnPtr<JSC::FunctionCodeBlock>&, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, JSC::JITCode::JITType, unsigned int, JSC::CodeSpecializationKind) () at /home/azbest/32bit/WebKit/Source/JavaScriptCore/bytecode/SpeculatedType.h:260 #10 0xf61eadcc in JSC::FunctionExecutable::compileForCallInternal ( this=0xedfa4c38, exec=0xeea003e0, scope=0xede9fdc8, jitType=DFGJIT, bytecodeIndex=<unknown type>) at /home/azbest/32bit/WebKit/Source/JavaScriptCore/runtime/Executable.cpp:538 #11 0xf61ea5dd in JSC::FunctionExecutable::compileOptimizedForCall ( this=0xedfa4c38, exec=0xeea003e0, scope=0xede9fdc8, bytecodeIndex=<unknown type>) at /home/azbest/32bit/WebKit/Source/JavaScriptCore/runtime/Executable.cpp:46---Type <return> to continue, or q <return> to quit--- 3 #12 0xf5f5f768 in JSC::FunctionExecutable::compileOptimizedFor(JSC::ExecState*, JSC::JSScope*, unsigned int, JSC::CodeSpecializationKind) () at /home/azbest/32bit/WebKit/Source/WTF/wtf/PrintStream.h:58 #13 0xf5f5a44d in JSC::FunctionCodeBlock::compileOptimized (this=0x839b680, exec=0xeea003e0, scope=0xede9fdc8, bytecodeIndex=<unknown type>) at /home/azbest/32bit/WebKit/Source/JavaScriptCore/bytecode/CodeBlock.cpp:2846 #14 0xf613f2de in cti_optimize (args=0xffffc4d0) at /home/azbest/32bit/WebKit/Source/JavaScriptCore/jit/JITStubs.cpp:1892 #15 0xf613c146 in JSC::tryCacheGetByID (callFrame=0xeda60000, codeBlock=0x8107c60, returnAddress=..., baseValue=..., propertyName=0x80fe610, slot=0xffffc558, stubInfo=0xf6078d9c) at /home/azbest/32bit/WebKit/Source/JavaScriptCore/jit/JITStubs.cpp:989 #16 0xeea002f8 in ?? () #17 0xf6106fd1 in JSC::JITCode::execute(JSC::JSStack*, JSC::ExecState*, JSC::JSGlobalData*) () at /home/azbest/32bit/WebKit/Source/WTF/wtf/PrintStream.h:58 #18 0xf6104e07 in JSC::Interpreter::executeCall (this=0x8107c58, callFrame=0xeea001b0, function=0xee9b3458, callType=CallTypeJS, callData=0xffffc6bc, thisValue=..., args=0xffffc6ac) at /home/azbest/32bit/WebKit/Source/JavaScriptCore/interpreter/Interpreter.cpp:1059 #19 0xf61da1cf in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::C---Type <return> to continue, or q <return> to quit--- allData const&, JSC::JSValue, JSC::ArgList const&) () at /home/azbest/32bit/WebKit/Source/JavaScriptCore/runtime/CallData.cpp:40 #20 0xf61f03b9 in JSC::functionProtoFuncCall (exec=0xeea001b0) at /home/azbest/32bit/WebKit/Source/JavaScriptCore/runtime/FunctionPrototype.cpp:168 #21 0xf027314f in ?? () #22 0xf6106fd1 in JSC::JITCode::execute(JSC::JSStack*, JSC::ExecState*, JSC::JSGlobalData*) () at /home/azbest/32bit/WebKit/Source/WTF/wtf/PrintStream.h:58 #23 0xf6104e07 in JSC::Interpreter::executeCall (this=0x8107c58, callFrame=0xeef3f594, function=0xee9b6878, callType=CallTypeJS, callData=0xffffc96c, thisValue=..., args=0xffffc994) at /home/azbest/32bit/WebKit/Source/JavaScriptCore/interpreter/Interpreter.cpp:1059 #24 0xf61da1cf in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) () at /home/azbest/32bit/WebKit/Source/JavaScriptCore/runtime/CallData.cpp:40 #25 0xf4ae15e6 in WebCore::JSMainThreadExecState::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) () at /home/azbest/32bit/WebKit/Source/WTF/wtf/PassOwnArrayPtr.h:83 #26 0xf4b38969 in WebCore::ScheduledAction::executeFunctionInContext(JSC::JSGlobalObject*, JSC::JSValue, WebCore::ScriptExecutionContext*) () at /home/azbest/32bit/WebKit/Source/WTF/wtf/PassOwnArrayPtr.h:83 #27 0xf4b38b62 in WebCore::ScheduledAction::execute(WebCore::Document*) () ---Type <return> to continue, or q <return> to quit--- at /home/azbest/32bit/WebKit/Source/WTF/wtf/PassOwnArrayPtr.h:83 #28 0xf4b386ea in WebCore::ScheduledAction::execute(WebCore::ScriptExecutionContext*) () at /home/azbest/32bit/WebKit/Source/WTF/wtf/PassOwnArrayPtr.h:83 #29 0xf51e9b61 in WebCore::DOMTimer::fired() () at /usr/include/c++/4.6/bits/stl_algobase.h:368 #30 0xf53469bf in WebCore::ThreadTimers::sharedTimerFiredInternal() () at /usr/include/c++/4.6/bits/stl_algobase.h:218 #31 0xf53468db in WebCore::ThreadTimers::sharedTimerFired() () at /usr/include/c++/4.6/bits/stl_algobase.h:218 #32 0xf562bd7a in WebCore::SharedTimerQt::timerEvent(QTimerEvent*) () at /usr/include/c++/4.6/bits/stl_algobase.h:218 #33 0xf37d9ec4 in QObject::event(QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Core.so.5 #34 0xf400de34 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Widgets.so.5 #35 0xf4011844 in QApplication::notify(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Widgets.so.5 #36 0xf37afeee in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Core.so.5 #37 0xf37fc6a2 in QTimerInfoList::activateTimers() () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Core.so.5 #38 0xf37fcfe8 in ?? () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Core.so.5 ---Type <return> to continue, or q <return> to quit--- #39 0xf2a98cda in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0 #40 0xf2a990e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #41 0xf2a991c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0 #42 0xf37fd6d8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Core.so.5 #43 0xf02bc036 in ?? () from /usr/local/Trolltech/Qt5/Qt-5.0.1/plugins/platforms/libqxcb.so #44 0xf37ae726 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Core.so.5 #45 0xf37aeb64 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Core.so.5 #46 0xf37b26b2 in QCoreApplication::exec() () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Core.so.5 #47 0xf3a65984 in QGuiApplication::exec() () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Gui.so.5 #48 0xf4008fe4 in QApplication::exec() () from /usr/local/Trolltech/Qt5/Qt-5.0.1/lib/libQt5Widgets.so.5 #49 0x0806e367 in main () at /usr/include/c++/4.6/bits/move.h:130 #50 0xf32cb4d3 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6 #51 0x08056d71 in _start () (gdb) 840968 1 zarvai 2013-02-25 07:48:51 -0800 Committed r143925: <http://trac.webkit.org/changeset/143925> 840973 2 zarvai 2013-02-25 07:50:31 -0800 Sorry for closing it, the patch in r143925 is for skipping tests on Qt debug. 841541 3 fpizlo 2013-02-25 19:35:06 -0800 Sorry, guys! I'll have a patch that fixes this, shortly. 841553 4 190188 fpizlo 2013-02-25 19:57:13 -0800 Created attachment 190188 the patch I think this fixes all of the crashes. 841564 5 190188 ggaren 2013-02-25 20:10:56 -0800 Comment on attachment 190188 the patch r=me 841574 6 fpizlo 2013-02-25 20:27:41 -0800 Landed in http://trac.webkit.org/changeset/144005 190188 2013-02-25 19:57:13 -0800 2013-02-25 20:10:55 -0800 the patch blah.patch text/plain 1462 fpizlo SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMTQ0MDAyKQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDE1IEBA CisyMDEzLTAyLTI1ICBGaWxpcCBQaXpsbyAgPGZwaXpsb0BhcHBsZS5jb20+CisKKyAgICAgICAg UkVHUkVTU0lPTihyMTQzNjU0KTogc29tZSBqcXVlcnkgdGVzdCBhc3NlcnRzIG9uIDMyIGJpdCBk ZWJ1ZyBidWlsZAorICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/ aWQ9MTEwNzU2CisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisgICAgICAg IAorICAgICAgICBUeXBlT2YgZG9lcyBzcGVjdWxhdGlvbnMgbWFudWFsbHksIHNvIGl0IHNob3Vs ZCBtYXJrIGl0cyBKU1ZhbHVlT3BlcmFuZCBhcyBkb2luZyBNYW51YWxPcGVyYW5kU3BlY3VsYXRp b24uCisKKyAgICAgICAgKiBkZmcvREZHU3BlY3VsYXRpdmVKSVQzMl82NC5jcHA6CisgICAgICAg IChKU0M6OkRGRzo6U3BlY3VsYXRpdmVKSVQ6OmNvbXBpbGUpOgorCiAyMDEzLTAyLTI1ICBNaWNo YWVsIFNhYm9mZiAgPG1zYWJvZmZAYXBwbGUuY29tPgogCiAgICAgICAgIEZvciBKU1ZBTFVFMzJf NjQsIG1heE9mZnNldFJlbGF0aXZlVG9QYXRjaGVkU3RvcmFnZSgpIGRvZXNuJ3QgY29tcHV0ZSB0 aGUgbWF4aW11bSBuZWdhdGl2ZSBvZmZzZXQKSW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9k ZmcvREZHU3BlY3VsYXRpdmVKSVQzMl82NC5jcHAKPT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291cmNlL0phdmFT Y3JpcHRDb3JlL2RmZy9ERkdTcGVjdWxhdGl2ZUpJVDMyXzY0LmNwcAkocmV2aXNpb24gMTQzOTU5 KQorKysgU291cmNlL0phdmFTY3JpcHRDb3JlL2RmZy9ERkdTcGVjdWxhdGl2ZUpJVDMyXzY0LmNw cAkod29ya2luZyBjb3B5KQpAQCAtNDM4OCw3ICs0Mzg4LDcgQEAgdm9pZCBTcGVjdWxhdGl2ZUpJ VDo6Y29tcGlsZShOb2RlKiBub2RlKQogICAgICAgICBicmVhazsKICAgICB9CiAgICAgY2FzZSBU eXBlT2Y6IHsKLSAgICAgICAgSlNWYWx1ZU9wZXJhbmQgdmFsdWUodGhpcywgbm9kZS0+Y2hpbGQx KCkpOworICAgICAgICBKU1ZhbHVlT3BlcmFuZCB2YWx1ZSh0aGlzLCBub2RlLT5jaGlsZDEoKSwg TWFudWFsT3BlcmFuZFNwZWN1bGF0aW9uKTsKICAgICAgICAgR1BSUmVnIHRhZ0dQUiA9IHZhbHVl LnRhZ0dQUigpOwogICAgICAgICBHUFJSZWcgcGF5bG9hZEdQUiA9IHZhbHVlLnBheWxvYWRHUFIo KTsKICAgICAgICAgR1BSVGVtcG9yYXJ5IHRlbXAodGhpcyk7Cg==