SVN: rev202088 Build with: perl Tools/Scripts/build-jsc --gtk --debug The following test case crashes JSC: --- eval(`(function(${"a,".repeat(0xFFFF)}a){})()`) --- Stack trace: --- #0 0x00007ffff69ed762 in llint_entry () from /home/andre/svn/webkit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18 #1 0x00007ffff69f26a1 in llint_entry () from /home/andre/svn/webkit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18 #2 0x00007ffff69ec3f9 in vmEntryToJavaScript () from /home/andre/svn/webkit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18 #3 0x00007ffff69903dc in JSC::JITCode::execute (this=0x7ffff0da34d8, vm=0x7fffb09f1000, protoCallFrame=0x7fffffffc0a0) at ../../Source/JavaScriptCore/jit/JITCode.cpp:80 #4 0x00007ffff694f224 in JSC::Interpreter::execute (this=0x7ffff0def058, eval=0x7fffaf1fbee0, callFrame=0x7fffffffcb20, thisValue=..., scope=0x7fffaf1d0cd0) at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:1235 #5 0x00007ffff694ab49 in JSC::eval (callFrame=0x7fffffffcb20) at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:196 #6 0x00007ffff69e724c in JSC::(anonymous namespace)::llint_slow_path_call_eval (exec=0x7fffffffcba0, pc=0x7fffafdf2528) at ../../Source/JavaScriptCore/llint/LLIntSlowPaths.cpp:1448 #7 0x00007ffff69f2e90 in llint_entry () from /home/andre/svn/webkit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18 #8 0x00007ffff69ec3f9 in vmEntryToJavaScript () from /home/andre/svn/webkit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18 #9 0x00007ffff69903dc in JSC::JITCode::execute (this=0x7ffff0da3348, vm=0x7fffb09f1000, protoCallFrame=0x7fffffffcd80) at ../../Source/JavaScriptCore/jit/JITCode.cpp:80 #10 0x00007ffff694d779 in JSC::Interpreter::execute (this=0x7ffff0def058, program=0x7fffaf1fbf70, callFrame=0x7fffaf1e7940, thisObj=0x7fffaf1afb40) at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:961 #11 0x00007ffff6b3aa2b in JSC::evaluate (exec=0x7fffaf1e7940, source=..., thisValue=..., returnedException=...) at ../../Source/JavaScriptCore/runtime/Completion.cpp:107 #12 0x000000000043ac2b in runWithScripts (globalObject=0x7fffaf1e7900, scripts=..., uncaughtExceptionName=..., dump=false, module=false) at ../../Source/JavaScriptCore/jsc.cpp:2101 #13 0x000000000043bcc2 in runJSC (vm=0x7fffb09f1000, options=...) at ../../Source/JavaScriptCore/jsc.cpp:2348 #14 0x000000000043c1e5 in jscmain (argc=2, argv=0x7fffffffdba8) at ../../Source/JavaScriptCore/jsc.cpp:2401 #15 0x0000000000439e79 in main (argc=2, argv=0x7fffffffdba8) at ../../Source/JavaScriptCore/jsc.cpp:1983 ---
Can you please try again on a recent checkout? I am on r202398 and I can't reproduce this crash.
Does no longer reproduce at r215724.