From e900d40afdb731d2270a5110833ae49192974355 Mon Sep 17 00:00:00 2001
From: Florian Westphal <fw@strlen.de>
Date: Tue, 14 Mar 2023 22:36:50 +0100
Subject: [PATCH] xtables-eb: fix crash when opts isn't reallocated

opts may point to statically allocated memory.
This fixes abort() from libc.

Conflict: NA
Reference: https://git.netfilter.org/iptables/commit?id=e900d40afdb731d2270a5110833ae49192974355

Signed-off-by: Florian Westphal <fw@strlen.de>
---
 iptables/xtables-eb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/iptables/xtables-eb.c b/iptables/xtables-eb.c
index 3a73e797..068dffd2 100644
--- a/iptables/xtables-eb.c
+++ b/iptables/xtables-eb.c
@@ -675,7 +675,8 @@ void nft_fini_eb(struct nft_handle *h)
 		free(target->t);
 	}
 
-	free(opts);
+	if (opts != ebt_original_options)
+		free(opts);
 
 	nft_fini(h);
 	xtables_fini();
-- 
2.23.0