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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - libFuzzer: options leak into auto-dictionary"
href="https://bugs.llvm.org/show_bug.cgi?id=37047">37047</a>
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<th>Summary</th>
<td>libFuzzer: options leak into auto-dictionary
</td>
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<th>Product</th>
<td>compiler-rt
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>compiler-rt
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>pdknsk@gmail.com
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</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>I've been noticing that libFuzzer options seem to leak into new test cases.
It's noticeable during fuzzing, but particularly in the recommended dictionary.
#343087 REDUCE cov: 17773 ft: 89605 corp: 4129/5942Kb lim: 8 exec/s: 102 rss:
665Mb L: 2336/2344 MS: 3 EraseBytes-PersAutoDict-ChangeByte- DE:
"ignore_remaining_args"-
###### Recommended dictionary. ######
"cleanse_crash" # Uses: 1089
...
"handle_segv" # Uses: 514
...
"workers" # Uses: 515
...
"handle_int" # Uses: 386
...
"merge_control_file" # Uses: 431
...
"handle_fpe" # Uses: 335
...
"use_value_profile" # Uses: 338
"use_feature_frequency" # Uses: 353
...
"use_memmem" # Uses: 283
...
###### End of recommended dictionary. ######
And that's not just a display quirk. Those string are in the files. I don't
know why.</pre>
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