Bug 158795
| Summary: | Crash if function has too many parameters | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | André Bargull <andre.bargull> |
| Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> |
| Status: | RESOLVED WORKSFORME | ||
| Severity: | Normal | CC: | benjamin |
| Priority: | P2 | ||
| Version: | WebKit Local Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
André Bargull
SVN: rev202088
Build with: perl Tools/Scripts/build-jsc --gtk --debug
The following test case crashes JSC:
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eval(`(function(${"a,".repeat(0xFFFF)}a){})()`)
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Stack trace:
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#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
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| Attachments | ||
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| Add attachment proposed patch, testcase, etc. |
Benjamin Poulain
Can you please try again on a recent checkout?
I am on r202398 and I can't reproduce this crash.
André Bargull
Does no longer reproduce at r215724.