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<base href="https://bugs.webkit.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ASSERTION FAILED: returnAddress >= instructions().begin() && returnAddress < instructions().end() in JSC::CodeBlock::bytecodeOffset"
href="https://bugs.webkit.org/show_bug.cgi?id=146636">146636</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ASSERTION FAILED: returnAddress >= instructions().begin() && returnAddress < instructions().end() in JSC::CodeBlock::bytecodeOffset
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>528+ (Nightly 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>rhodovan.u-szeged@partner.samsung.com
</td>
</tr>
<tr>
<th>CC</th>
<td>fpizlo@apple.com, oliver@apple.com
</td>
</tr>
<tr>
<th>Blocks</th>
<td>116980
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=256210" name="attach_256210" title="Test case">attachment 256210</a> <a href="attachment.cgi?id=256210&action=edit" title="Test case">[details]</a></span>
Test case
Loading this with debug jsc ends in a release assert failure:
function test() {
try {
releaseExecutableMemory();
Array.from(Object);
Array.from();
} catch(err) {}
}
for (var i = 0; i < 2; i++)
test();
Backtrace:
ASSERTION FAILED: returnAddress >= instructions().begin() && returnAddress < instructions().end()
../../Source/JavaScriptCore/bytecode/CodeBlock.h(252) : unsigned int JSC::CodeBlock::bytecodeOffset(JSC::Instruction*)
1 0x7ffff72d46db WTFCrash
2 0x7ffff7103737 JSC::CodeBlock::bytecodeOffset(JSC::Instruction*)
3 0x7ffff70fe7aa
4 0x7fffb10007f5
[New Thread 0x7fffaf7fa700 (LWP 4629)]
[New Thread 0x7fffafffb700 (LWP 4628)]
[New Thread 0x7fffb07fc700 (LWP 4627)]
[New Thread 0x7fffb0ffd700 (LWP 4626)]
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff72d46e0 in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:321
321 *(int *)(uintptr_t)0xbbadbeef = 0;
(gdb) bt
#0 0x00007ffff72d46e0 in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:321
#1 0x00007ffff7103737 in JSC::CodeBlock::bytecodeOffset (this=0x7ffff15de4c0, returnAddress=0x7ffff10380f8)
at ../../Source/JavaScriptCore/bytecode/CodeBlock.h:252
#2 0x00007ffff70fe7aa in JSC::slow_path_nstricteq (exec=0x7fffffffca00, pc=0x7ffff10380f8) at ../../Source/JavaScriptCore/runtime/CommonSlowPaths.cpp:300
#3 0x00007fffb10007f5 in ?? ()
#4 0x00007fffffffc9b0 in ?? ()
#5 0x00007ffff6f8b958 in JSC::getHostCallReturnValueWithExecState (exec=0x7ffff10342e0) at ../../Source/JavaScriptCore/jit/JITOperations.cpp:2057
#6 0x00007fffb0fffafa in ?? ()
#7 0x00007ffff15de4c0 in ?? ()
#8 0x00007ffff1050c10 in ?? ()
#9 0x0000001f00000001 in ?? ()
#10 0x00007ffff1034480 in ?? ()
#11 0x000000000000000a in ?? ()
#12 0x00007ffff727e87e in llint_entry () from webkit/WebKitBuild/Debug/lib/libjavascriptcore_efl.so.1
#13 0x00007ffff727e87e in llint_entry () from webkit/WebKitBuild/Debug/lib/libjavascriptcore_efl.so.1
#14 0x00007ffff7278cc6 in vmEntryToJavaScript () from webkit/WebKitBuild/Debug/lib/libjavascriptcore_efl.so.1
#15 0x00007ffff6f75702 in JSC::JITCode::execute (this=0x7ffff17e3ed0, vm=0x7ffff1004000, protoCallFrame=0x7fffffffcca0)
at ../../Source/JavaScriptCore/jit/JITCode.cpp:77
#16 0x00007ffff6f4e1e4 in JSC::Interpreter::execute (this=0x7ffff17f6000, program=0x7ffff1046000, callFrame=0x7ffff102b840, thisObj=0x7ffff107acc0)
at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:901
#17 0x00007ffff7103f48 in JSC::evaluate (exec=0x7ffff102b840, source=..., thisValue=..., returnedException=...)
at ../../Source/JavaScriptCore/runtime/Completion.cpp:82
#18 0x0000000000428d38 in runWithScripts (globalObject=0x7ffff102b800, scripts=..., dump=false) at ../../Source/JavaScriptCore/jsc.cpp:1315
#19 0x0000000000429c41 in jscmain (argc=3, argv=0x7fffffffd8e8) at ../../Source/JavaScriptCore/jsc.cpp:1533
#20 0x0000000000428b0a in main (argc=3, argv=0x7fffffffd8e8) at ../../Source/JavaScriptCore/jsc.cpp:1273</pre>
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