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43 lines
1.4 KiB
43 lines
1.4 KiB
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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#
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# Filename: package/.../musl/0005-env-avoid-leaving-dangling-pointers-in-__env_map.patch
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# Copyright (C) 2016 The OpenSDE Project
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#
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# More information can be found in the files COPYING and README.
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#
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# This patch file is dual-licensed. It is available under the license the
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# patched project is licensed under, as long as it is an OpenSource license
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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# of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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# --- SDE-COPYRIGHT-NOTE-END ---
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From 9543656cc32fda48fc463f332ee20e91eed2b768 Mon Sep 17 00:00:00 2001
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From: Alexander Monakov <amonakov@ispras.ru>
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Date: Sun, 6 Mar 2016 20:22:38 +0300
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Subject: [PATCH] env: avoid leaving dangling pointers in __env_map
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This is the minimal fix for __putenv leaving a pointer to freed heap
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storage in __env_map array, which could later on lead to errors such
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as double-free.
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---
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src/env/putenv.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/env/putenv.c b/src/env/putenv.c
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index 4042869..7153042 100644
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--- a/src/env/putenv.c
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+++ b/src/env/putenv.c
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@@ -30,6 +30,7 @@ int __putenv(char *s, int a)
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}
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} else {
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free(__env_map[j]);
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+ __env_map[j] = s;
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}
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}
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}
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--
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2.7.2
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