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<h3>
Samuel Thibault pushed to branch master
at <a href="https://gitlab.freedesktop.org/slirp/libslirp">slirp / libslirp</a>
</h3>
<h4>
Commits:
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<ul>
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<strong><a href="https://gitlab.freedesktop.org/slirp/libslirp/-/commit/1d6a89cc86292e1cda346751f55bd8c7b38d0d29">1d6a89cc</a></strong>
<div>
<span>by Samuel Thibault</span>
<i>at 2021-05-09T01:46:31+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">ndp_table: For unspecified address, return broadcast ethernet address
We cannot let the guest crash libslirp by making it answer a tftp
request such as shown in
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33873
https://gitlab.com/qemu-project/qemu/-/issues/111
unspecified addresses may also be used for non-configured devices, so it
makes sense to use the broadcast ethernet address in that case, just
like we do with IPv4.
</pre>
</li>
<li>
<strong><a href="https://gitlab.freedesktop.org/slirp/libslirp/-/commit/f23fd3f0fbaecc75d083abf7a6124b3a21b961e1">f23fd3f0</a></strong>
<div>
<span>by Samuel Thibault</span>
<i>at 2021-05-09T08:57:38+00:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Merge branch 'master' into 'master'
ndp_table: For unspecified address, return broadcast ethernet address
See merge request slirp/libslirp!86</pre>
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<h4>1 changed file:</h4>
<ul>
<li class="file-stats">
<a href="#f79217dc44c133473469ecf97e2aff2e27cfe85d">
src/ndp_table.c
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<h4>Changes:</h4>
<li id="f79217dc44c133473469ecf97e2aff2e27cfe85d">
<a href="https://gitlab.freedesktop.org/slirp/libslirp/-/compare/61b287a16053172601e88bf99ede5e759fe1842b...f23fd3f0fbaecc75d083abf7a6124b3a21b961e1#f79217dc44c133473469ecf97e2aff2e27cfe85d"><strong>src/ndp_table.c</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="62" 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">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="62" 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">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -62,7 +62,12 @@ bool ndp_table_search(Slirp *slirp, struct in6_addr ip_addr,</td>
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<pre style="margin: 0;"> <span id="LC62" class="line" lang="c"> <span class="n" style="color: #333;">DEBUG_CALL</span><span class="p">(</span><span class="s" style="color: #d14;">"ndp_table_search"</span><span class="p">);</span></span>
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<td class="old_line diff-line-num" data-linenumber="63" 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="LC63" class="line" lang="c"> <span class="n" style="color: #333;">DEBUG_ARG</span><span class="p">(</span><span class="s" style="color: #d14;">"ip = %s"</span><span class="p">,</span> <span class="n" style="color: #333;">addrstr</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="c"></span>
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65
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<pre style="margin: 0;">-<span id="LC65" class="line" lang="c"> <span class="n" style="color: #333;">assert</span><span class="p">(</span><span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">in6_zero</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">ip_addr</span><span class="p">));</span></span>
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<pre style="margin: 0;">+<span id="LC65" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* If unspecified address */</span></span>
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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;">in6_zero</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">ip_addr</span><span class="p">))</span> <span class="p">{</span></span>
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<td class="new_line diff-line-num new" 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="cm" style="color: #998; font-style: italic;">/* return Ethernet broadcast address */</span></span>
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<pre style="margin: 0;">+<span id="LC68" class="line" lang="c"> <span class="n" style="color: #333;">memset</span><span class="p">(</span><span class="n" style="color: #333;">out_ethaddr</span><span class="p">,</span> <span class="mh" style="color: #099;">0xff</span><span class="p">,</span> <span class="n" style="color: #333;">ETH_ALEN</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC69" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="mi" style="color: #099;">1</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC70" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC71" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC72" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* Multicast address: fec0::abcd:efgh/8 -> 33:33:ab:cd:ef:gh */</span></span>
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<pre style="margin: 0;"> <span id="LC73" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">IN6_IS_ADDR_MULTICAST</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">ip_addr</span><span class="p">))</span> <span class="p">{</span></span>
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