Copied from Fedora.

https://bugzilla.redhat.com/show_bug.cgi?id=1232265
http://pkgs.fedoraproject.org/cgit/libunwind.git/tree/libunwind-1.1-fix-CVE-2015-3239.patch

diff -up libunwind-1.1/include/dwarf_i.h.CVE20153239 libunwind-1.1/include/dwarf_i.h
--- libunwind-1.1/include/dwarf_i.h.CVE20153239	2015-07-10 13:38:36.404996748 -0400
+++ libunwind-1.1/include/dwarf_i.h	2015-07-10 13:39:25.050707613 -0400
@@ -20,7 +20,7 @@
 extern const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH];
 /* REG is evaluated multiple times; it better be side-effects free!  */
 # define dwarf_to_unw_regnum(reg)					  \
-  (((reg) <= DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0)
+  (((reg) < DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0)
 #endif
 
 #ifdef UNW_LOCAL_ONLY
'koszko-scripts'>koszko-scripts</option>
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<tr><td><span title='2020-11-15 23:09:46 +0100'>2020-11-15</span></td><td><a href='/guix/commit/.guix-authorizations?id=f11c9a89193e72ee11df585cd08f1edffb9f6e48'>.guix-authorizations: Add jonsger.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-authorizations: Add jonsger to the committers.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-10-16 15:00:50 +0200'>2020-10-16</span></td><td><a href='/guix/commit/.guix-authorizations?id=b601aadaf59d25d4dea502f0aab16531038bff91'>.guix-authorizations: Add m1gu3l.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-authorizations: Add m1gu3l to the committers.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-09-04 11:29:51 +0200'>2020-09-04</span></td><td><a href='/guix/commit/.guix-authorizations?id=d60f63a83852685cf439bbb6af678fb2ad93efaa'>.guix-authorizations: Add planglois to the committers.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-authorizations: Add planglois.
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<tr><td><span title='2020-07-18 21:12:38 +0200'>2020-07-18</span></td><td><a href='/guix/commit/.guix-authorizations?id=ba1d9680d61d3b06d9b81a81863448f494d654a7'>.guix-authorizations: Add brettgilio (back) to the committers.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-authorizations: Add fingerprint for brettgilio.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-07-01 12:50:22 +0200'>2020-07-01</span></td><td><a href='/guix/commit/.guix-authorizations?id=9f5f3932debc72a57a830fc6ca5ab980f6db4941'>.guix-authorizations: Remove keys of two former contributors.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-authorizations: Remove key of David Craven, who left the project
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<tr><td><span title='2020-07-01 12:50:22 +0200'>2020-07-01</span></td><td><a href='/guix/commit/.guix-authorizations?id=5402f3ed05e72f17509e3e732b67488b4643066d'>.guix-authorizations: Remove former keys that are no longer used.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-authorizations: Remove old keys of dvc, efraim, and janneke.
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<tr><td><span title='2020-07-01 12:50:22 +0200'>2020-07-01</span></td><td><a href='/guix/commit/.guix-authorizations?id=eb8a79218d33a513d4673162fd752efb1152a084'>.guix-authorizations: Remove brettgilio's old key.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-authorizations: Remove key "DFC0 C7F7 9EE6 0CA7 AE55  5E19 6722
43C4 A03F 0EEE" (Brett Gilio).  See
&lt;https://lists.gnu.org/archive/html/guix-devel/2020-06/msg00323.html&gt;.
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<tr><td><span title='2020-05-04 10:43:52 +0200'>2020-05-04</span></td><td><a href='/guix/commit/.guix-authorizations?id=d074f73aacc5a39aed0202d6e45721f53f34a8c0'>.guix-authorizations: Add bricewge to the committers.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-authorizations: Add fingerprint for bricewge.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-05-04 09:56:13 +0200'>2020-05-04</span></td><td><a href='/guix/commit/.guix-authorizations?id=bee5b7a0f8547a40f05d0891a71fff1fed4b2b3e'>.guix-authorizations: Augment.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-authorizations: Add all the currently authorized committers.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-05-04 09:56:12 +0200'>2020-05-04</span></td><td><a href='/guix/commit/.guix-authorizations?id=c91e27c60864faa229198f6f0caf620275c429a2'>Add '.guix-authorizations'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-authorizations: New file.
</span></span></td><td>Ludovic Courtès</td></tr>