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<a href="https://gitlab.com/dueno">Daiki Ueno</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1379#note_493204236">lib/cert-cred-x509.c</a>:
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1139
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<td class="new_line diff-line-num" data-linenumber="1142" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1142
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<pre style="margin: 0;"> <span id="LC1142" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">ca_list_size</span><span class="p">)</span></span>
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<td class="old_line diff-line-num" data-linenumber="1140" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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1143
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<pre style="margin: 0;"> <span id="LC1143" class="line" lang="c"><span class="p">{</span></span>
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<td class="old_line diff-line-num" data-linenumber="1141" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1144" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">ret</span><span class="p">,</span> <span class="n" style="color: #333;">i</span><span class="p">,</span> <span class="n" style="color: #333;">j</span><span class="p">;</span></span>
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1142
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<td class="new_line diff-line-num old" data-linenumber="1145" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC1142" class="line" lang="c"> <span class="n" style="color: #333;">gnutls_x509_crt_t</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">new_list</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gnutls_malloc</span><span class="p">(</span><span class="n" style="color: #333;">ca_list_size</span> <span class="o" style="font-weight: 600;">*</span> <span class="k" style="font-weight: 600;">sizeof</span><span class="p">(</span><span class="n" style="color: #333;">gnutls_x509_crt_t</span><span class="p">));</span></span>
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<td class="new_line diff-line-num new" data-linenumber="1145" 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="LC1145" class="line" lang="c"> <span class="n" style="color: #333;">gnutls_x509_crt_t</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">new_list</span><span class="p">;</span></span>
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<td class="new_line diff-line-num new" data-linenumber="1146" 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="LC1146" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC1147" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">ca_list</span> <span class="o" style="font-weight: 600;">==</span> <span class="nb" style="color: #0086b3;">NULL</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">ca_list_size</span> <span class="o" style="font-weight: 600;"><</span> <span class="mi" style="color: #099;">1</span><span class="p">)</span></span>
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<td class="new_line diff-line-num new" data-linenumber="1148" 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="LC1148" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">gnutls_assert_val</span><span class="p">(</span><span class="n" style="color: #333;">GNUTLS_E_INVALID_REQUEST</span><span class="p">);</span></span>
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1143
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<pre style="margin: 0;"> <span id="LC1149" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC1150" class="line" lang="c"> <span class="n" style="color: #333;">new_list</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gnutls_malloc</span><span class="p">(</span><span class="n" style="color: #333;">ca_list_size</span> <span class="o" style="font-weight: 600;">*</span> <span class="k" style="font-weight: 600;">sizeof</span><span class="p">(</span><span class="n" style="color: #333;">gnutls_x509_crt_t</span><span class="p">));</span></span>
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<p dir="auto">Although it's unlikely in this case, it might be a good practice to use <code>gnutls_calloc</code> here to avoid overflow:
<a href="https://redhat-crypto.gitlab.io/defensive-coding-guide/#sect-Defensive_Coding-C-Allocators-Arrays" rel="nofollow noreferrer noopener" target="_blank">https://redhat-crypto.gitlab.io/defensive-coding-guide/#sect-Defensive_Coding-C-Allocators-Arrays</a></p>
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