<html>
<head>
<base href="https://bugs.webkit.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Crash if function has too many parameters"
href="https://bugs.webkit.org/show_bug.cgi?id=158795">158795</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Crash if function has too many parameters
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Local Build
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>Normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P2
</td>
</tr>
<tr>
<th>Component</th>
<td>JavaScriptCore
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>andre.bargull@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>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
---</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>