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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - JSON.stringify hanging WebKit on a cyclic structure"
href="https://bugs.webkit.org/show_bug.cgi?id=143511">143511</a>
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<th>Summary</th>
<td>JSON.stringify hanging WebKit on a cyclic structure
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>528+ (Nightly build)
</td>
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<th>Hardware</th>
<td>Macintosh Intel
</td>
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<th>OS</th>
<td>Mac OS X 10.10
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Major
</td>
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>JavaScriptCore
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>chrisjshull@gmail.com
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<pre>The following line of code will hang WebKit.
Don't even get a "Maximum call stack size exceeded" error.
JSON.stringify({ toJSON: function () { return { foo: this }; } });
Reproduces in Safari Version 8.0.5 (10600.5.9), as well as nightly build r182472.
Expected: a "TypeError: JSON.stringify cannot serialize cyclic structures." should be thrown.</pre>
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