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<p style="color: #777777;">
<a href="https://gitlab.com/nmav">Nikos Mavrogiannopoulos</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/libtasn1/merge_requests/38#note_198364764">fuzz/libtasn1_encoding_fuzzer.c</a>:
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<td class="diff-line-num new new_line" data-linenumber="55" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC55" class="line" lang="c">     <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;">></span> <span class="mi" style="color: #099;">2048</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">// same as max_len = 1000 in .options file</span></span>
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<td class="diff-line-num new new_line" data-linenumber="56" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC56" class="line" lang="c">             <span class="k" style="font-weight: 600;">return</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC57" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="58" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC58" class="line" lang="c">     <span class="n" style="color: #333;">g_data</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">data</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC59" class="line" lang="c">     <span class="n" style="color: #333;">g_size</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">size</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC60" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC61" class="line" lang="c">     <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">rc</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">asn1_parser2tree</span><span class="p">(</span><span class="s" style="color: #d14;">"pkix.asn"</span><span class="p">,</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">definitions</span><span class="p">,</span> <span class="n" style="color: #333;">errorDescription</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="62" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
62
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<pre style="margin: 0;">+<span id="LC62" class="line" lang="c">     <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">rc</span> <span class="o" style="font-weight: 600;">!=</span> <span class="n" style="color: #333;">ASN1_SUCCESS</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="63" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC63" class="line" lang="c">             <span class="k" style="font-weight: 600;">return</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC64" class="line" lang="c"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="65" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC65" class="line" lang="c">     <span class="n" style="color: #333;">rc</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">asn1_create_element</span><span class="p">(</span><span class="n" style="color: #333;">definitions</span><span class="p">,</span> <span class="s" style="color: #d14;">"TEST_TREE.Koko"</span><span class="p">,</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">asn1_element</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC66" class="line" lang="c">     <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">rc</span> <span class="o" style="font-weight: 600;">!=</span> <span class="n" style="color: #333;">ASN1_SUCCESS</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="67" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC67" class="line" lang="c">             <span class="k" style="font-weight: 600;">goto</span> <span class="n" style="color: #333;">out</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC68" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC69" class="line" lang="c">     <span class="kt" style="color: #458; font-weight: 600;">size_t</span> <span class="n" style="color: #333;">vlen</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;"><=</span> <span class="mi" style="color: #099;">32</span> <span class="o" style="font-weight: 600;">?</span> <span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;">:</span> <span class="mi" style="color: #099;">32</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC70" class="line" lang="c">     <span class="n" style="color: #333;">value</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">malloc</span><span class="p">(</span><span class="n" style="color: #333;">vlen</span><span class="p">);</span></span>
</pre>
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<p dir="auto">This is unchecked malloc</p>
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