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Diffstat (limited to 'repo/system/lua/fix-double-free.patch')
| -rw-r--r-- | repo/system/lua/fix-double-free.patch | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/repo/system/lua/fix-double-free.patch b/repo/system/lua/fix-double-free.patch deleted file mode 100644 index 2b6c476..0000000 --- a/repo/system/lua/fix-double-free.patch +++ /dev/null @@ -1,402 +0,0 @@ -<!DOCTYPE html> -<html lang='en'> -<head> -<title>fix-double-free.patch « lua5.4 « main - aports - Alpine packages build scripts -</title> -<meta name='generator' content='cgit v1.2.3'/> -<meta name='robots' content='index, nofollow'/> -<link rel='stylesheet' type='text/css' href='/cgit.css'/> -<link rel='shortcut icon' href='//alpinelinux.org/alpine-logo.ico'/> -<link rel='alternate' title='Atom feed' href='http://git.alpinelinux.org/aports/atom/main/lua5.4/fix-double-free.patch?h=master' type='application/atom+xml'/> -<link rel='vcs-git' href='https://git.alpinelinux.org/aports' title='aports Git repository'/> -</head> -<body> -<div id='cgit'><table id='header'> -<tr> -<td class='logo' rowspan='2'><a href='/'><img src='//wiki.alpinelinux.org/images/alogo.png' alt='cgit 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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> -<a id='n24' href='#n24'>24</a> -<a id='n25' href='#n25'>25</a> -<a id='n26' href='#n26'>26</a> -<a id='n27' href='#n27'>27</a> -<a id='n28' href='#n28'>28</a> -<a id='n29' href='#n29'>29</a> -<a id='n30' href='#n30'>30</a> -<a id='n31' href='#n31'>31</a> -<a id='n32' href='#n32'>32</a> -<a id='n33' href='#n33'>33</a> -<a id='n34' href='#n34'>34</a> -<a id='n35' href='#n35'>35</a> -<a id='n36' href='#n36'>36</a> -<a id='n37' href='#n37'>37</a> -<a id='n38' href='#n38'>38</a> -<a id='n39' href='#n39'>39</a> -<a id='n40' href='#n40'>40</a> -<a id='n41' href='#n41'>41</a> -<a id='n42' href='#n42'>42</a> -<a id='n43' href='#n43'>43</a> -<a id='n44' href='#n44'>44</a> -<a id='n45' href='#n45'>45</a> -<a id='n46' href='#n46'>46</a> -<a id='n47' href='#n47'>47</a> -<a id='n48' href='#n48'>48</a> -<a id='n49' href='#n49'>49</a> -<a id='n50' href='#n50'>50</a> -<a id='n51' href='#n51'>51</a> -<a id='n52' href='#n52'>52</a> -<a id='n53' href='#n53'>53</a> -<a id='n54' href='#n54'>54</a> -<a id='n55' href='#n55'>55</a> -<a id='n56' href='#n56'>56</a> -</pre></td> -<td class='lines'><pre><code>Lua5.4 frees the lineinfo memory twice. Once via combine() and once -via close_state() this causes a segfault on musl. The segfault double -free can be fixed by having combine assign NULL to f->lineinfo after -it has been freed. Thus not freeing it again in close_state(). - -Valgrind output for the double-free: - - ==29903== Invalid free() / delete / delete[] / realloc() - ==29903== at 0x48A4B0D: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so) - ==29903== by 0x11E5D2: l_alloc (lauxlib.c:1014) - ==29903== by 0x112F51: luaM_free_ (lmem.c:135) - ==29903== by 0x11111B: luaF_freeproto (lfunc.c:271) - ==29903== by 0x112ABB: deletelist (lgc.c:1494) - ==29903== by 0x112ABB: luaC_freeallobjects (lgc.c:1511) - ==29903== by 0x116D54: close_state (lstate.c:276) - ==29903== by 0x10B549: main (luac.c:210) - ==29903== Address 0x48ec220 is 0 bytes inside a block of size 10 free'd - ==29903== at 0x48A4B0D: free (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so) - ==29903== by 0x11E5D2: l_alloc (lauxlib.c:1014) - ==29903== by 0x112F51: luaM_free_ (lmem.c:135) - ==29903== by 0x10C60C: combine (luac.c:158) - ==29903== by 0x10C60C: pmain (luac.c:183) - ==29903== by 0x10FF38: precallC (ldo.c:506) - ==29903== by 0x11020C: luaD_precall (ldo.c:572) - ==29903== by 0x110340: ccall (ldo.c:607) - ==29903== by 0x10F7CA: luaD_rawrunprotected (ldo.c:144) - ==29903== by 0x110668: luaD_pcall (ldo.c:926) - ==29903== by 0x10DB2F: lua_pcallk (lapi.c:1067) - ==29903== by 0x10B528: main (luac.c:209) - ==29903== Block was alloc'd at - ==29903== at 0x48A6FC9: realloc (in /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so) - ==29903== by 0x112F7E: luaM_realloc_ (lmem.c:166) - ==29903== by 0x112FC5: luaM_saferealloc_ (lmem.c:180) - ==29903== by 0x113074: luaM_shrinkvector_ (lmem.c:116) - ==29903== by 0x114B02: close_func (lparser.c:764) - ==29903== by 0x116B1B: mainfunc (lparser.c:1937) - ==29903== by 0x116B1B: luaY_parser (lparser.c:1959) - ==29903== by 0x10F718: f_parser (ldo.c:971) - ==29903== by 0x10F7CA: luaD_rawrunprotected (ldo.c:144) - ==29903== by 0x110668: luaD_pcall (ldo.c:926) - ==29903== by 0x11074B: luaD_protectedparser (ldo.c:988) - ==29903== by 0x10DC13: lua_load (lapi.c:1097) - ==29903== by 0x10C5B1: combine (luac.c:151) - ==29903== by 0x10C5B1: pmain (luac.c:183) - -diff -upr lua5.4.4.orig/src/luac.c lua-5.4.4/src/luac.c -<span style="color:#000000; font-weight:bold">--- lua5.4.4.orig/src/luac.c 2022-04-14 20:57:01.927447850 +0200</span> -<span style="color:#0057ae">+++ lua-5.4.4/src/luac.c 2022-04-14 20:57:35.260900910 +0200</span> -@@ -156,6 +156,7 @@ static const Proto* combine(lua_State* L - if (f->p[i]->sizeupvalues>0) f->p[i]->upvalues[0].instack=0; - } - luaM_freearray(L,f->lineinfo,f->sizelineinfo); -<span style="color:#0057ae">+ f->lineinfo=NULL;</span> - f->sizelineinfo=0; - return f; - } -</code></pre></td></tr></table> -</div> <!-- class=content --> -<div class='footer'>generated by <a href='https://git.zx2c4.com/cgit/about/'>cgit v1.2.3</a> (<a href='https://git-scm.com/'>git 2.25.1</a>) at 2022-05-19 21:37:05 +0000</div> -</div> <!-- id=cgit --> -</body> -</html> |