33 lines
878 B
Diff
33 lines
878 B
Diff
From e900d40afdb731d2270a5110833ae49192974355 Mon Sep 17 00:00:00 2001
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From: Florian Westphal <fw@strlen.de>
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Date: Tue, 14 Mar 2023 22:36:50 +0100
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Subject: [PATCH] xtables-eb: fix crash when opts isn't reallocated
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opts may point to statically allocated memory.
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This fixes abort() from libc.
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Conflict: NA
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Reference: https://git.netfilter.org/iptables/commit?id=e900d40afdb731d2270a5110833ae49192974355
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Signed-off-by: Florian Westphal <fw@strlen.de>
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---
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iptables/xtables-eb.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/iptables/xtables-eb.c b/iptables/xtables-eb.c
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index 3a73e797..068dffd2 100644
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--- a/iptables/xtables-eb.c
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+++ b/iptables/xtables-eb.c
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@@ -675,7 +675,8 @@ void nft_fini_eb(struct nft_handle *h)
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free(target->t);
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}
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- free(opts);
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+ if (opts != ebt_original_options)
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+ free(opts);
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nft_fini(h);
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xtables_fini();
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--
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2.23.0
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