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<div class='path'>path: <a href='/aports/tree/'>root</a>/<a href='/aports/tree/main'>main</a>/<a href='/aports/tree/main/lua5.4'>lua5.4</a>/<a href='/aports/tree/main/lua5.4/CVE-2022-28805.patch'>CVE-2022-28805.patch</a></div><div class='content'>blob: b00fcc63f7c8ce53208dfc10c9c275f50ca8a8c9 (<a href='/aports/plain/main/lua5.4/CVE-2022-28805.patch'>plain</a>) (<a href='/aports/blame/main/lua5.4/CVE-2022-28805.patch'>blame</a>)
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<tr><td class='linenumbers'><pre><a id='n1' href='#n1'>1</a>
<a id='n2' href='#n2'>2</a>
<a id='n3' href='#n3'>3</a>
<a id='n4' href='#n4'>4</a>
<a id='n5' href='#n5'>5</a>
<a id='n6' href='#n6'>6</a>
<a id='n7' href='#n7'>7</a>
<a id='n8' href='#n8'>8</a>
<a id='n9' href='#n9'>9</a>
<a id='n10' href='#n10'>10</a>
<a id='n11' href='#n11'>11</a>
<a id='n12' href='#n12'>12</a>
<a id='n13' href='#n13'>13</a>
<a id='n14' href='#n14'>14</a>
<a id='n15' href='#n15'>15</a>
<a id='n16' href='#n16'>16</a>
<a id='n17' href='#n17'>17</a>
<a id='n18' href='#n18'>18</a>
<a id='n19' href='#n19'>19</a>
<a id='n20' href='#n20'>20</a>
<a id='n21' href='#n21'>21</a>
<a id='n22' href='#n22'>22</a>
<a id='n23' href='#n23'>23</a>
</pre></td>
<td class='lines'><pre><code>Patch-Source: https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa
From 1f3c6f4534c6411313361697d98d1145a1f030fa Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 15 Feb 2022 12:28:46 -0300
Subject: [PATCH] Bug: Lua can generate wrong code when _ENV is <const>
<span style="color:#000000; font-weight:bold">---</span>
lparser.c | 1 +
testes/attrib.lua | 10 ++++++++++
2 files changed, 11 insertions(+)
diff --git a/lparser.c b/lparser.c
index 3abe3d751..a5cd55257 100644
<span style="color:#000000; font-weight:bold">--- a/src/lparser.c</span>
<span style="color:#0057ae">+++ b/src/lparser.c</span>
@@ -468,6 +468,7 @@ static void singlevar (LexState *ls, expdesc *var) {
expdesc key;
singlevaraux(fs, ls->envn, var, 1); /* get environment variable */
lua_assert(var->k != VVOID); /* this one must exist */
<span style="color:#0057ae">+ luaK_exp2anyregup(fs, var); /* but could be a constant */</span>
codestring(&key, varname); /* key is variable name */
luaK_indexed(fs, var, &key); /* env[varname] */
}
</code></pre></td></tr></table>
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