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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Segfault / invalid read in Hints::Hints / PDFDoc::checkLinearization when using pdfinfo"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97005">97005</a>
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<th>Summary</th>
<td>Segfault / invalid read in Hints::Hints / PDFDoc::checkLinearization when using pdfinfo
</td>
</tr>
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<th>Product</th>
<td>poppler
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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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>medium
</td>
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<th>Component</th>
<td>utils
</td>
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<th>Assignee</th>
<td>poppler-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>jake.yamaki@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=125157" name="attach_125157" title="crashing testcase">attachment 125157</a> <a href="attachment.cgi?id=125157&action=edit" title="crashing testcase">[details]</a></span>
crashing testcase
Found with american fuzzy lop. See attached for crashing testcase.
<span class="quote">> valgrind pdfinfo file.min</span >
...snip...
==28152== Invalid read of size 8
==28152== at 0x505C553: Hints::Hints(BaseStream*, Linearization*, XRef*,
SecurityHandler*) (Hints.cc:46)
==28152== by 0x50B772B: PDFDoc::checkLinearization() (PDFDoc.cc:560)
==28152== by 0x50B6D11: PDFDoc::getPage(int) (PDFDoc.cc:2006)
==28152== by 0x408690: JSInfo::scan(int) (JSInfo.cc:165)
==28152== by 0x40366D: main (pdfinfo.cc:286)
==28152== Address 0x0 is not stack'd, malloc'd or (recently) free'd
==28152==
==28152== Process terminating with default action of signal 11 (SIGSEGV)
==28152== Access not within mapped region at address 0x0
...snip...</pre>
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