31 lines
835 B
Diff
31 lines
835 B
Diff
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From ae3975e65d0f524d4d44c61407078bd11b10493e Mon Sep 17 00:00:00 2001
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From: Phil Sutter <phil@nwl.cc>
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Date: Thu, 17 Nov 2022 16:37:02 +0100
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Subject: [PATCH] extensions: ecn: Sanitize xlate callback
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Catch unexpected values in einfo->ip_ect.
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Fixes: ca42442093d3d ("iptables: extensions: libxt_ecn: Add translation to nft")
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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(cherry picked from commit 424ef98918d31377a305cdf1626e1c1f69ab6df1)
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---
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extensions/libxt_ecn.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/extensions/libxt_ecn.c b/extensions/libxt_ecn.c
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index ad3c7a0307a0d..83a4acfab7da7 100644
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--- a/extensions/libxt_ecn.c
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+++ b/extensions/libxt_ecn.c
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@@ -156,6 +156,8 @@ static int ecn_xlate(struct xt_xlate *xl,
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case 3:
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xt_xlate_add(xl, "ce");
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break;
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+ default:
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+ return 0;
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}
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}
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return 1;
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--
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2.40.0
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