From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794045912; b=ImA0aE1r0sLqbE91l3a1XINw0wmIIKTF67e3D3+ZflqZ6FmkoRysrcQyI2P7mQNM4HH9 ZIZ32R1Q6lxNW6j4GxooL5ILpD8z7j/pSxFs95HzTyiFZaILnSehs5BUuLyG84udsFUM/ fGzfwh7+OZyZ2VSJ5XqCCf9zDO3AhmZuMjqIraEBJQjIx1kp54wO6YOpZd3/TlOzcN3Uk nVZMbQoTkOzpw1jnpPWaO6KALlYvg6Uw5Ws4QEOGosvg1aV8O/QsVh5luvoMscXMgVrm3 CKeuSgt8y41udw08QF9ZYJsQWpohaI2Uj+rxWx1j0qGQE3XqT8LivemgI5B4NZF7DmQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794045912; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=cTY8rPmRBPU8CX8BzTG+kXUzmM9qBp8BSl23xwSsjC0=; b=F3m+oT/YWs+CKsTViIg2bobS/CZM99DRPj1vxHI7MhOJ2nTjfz8M4KkCAB/6QC7EF++b 4uCuPPdnBNEITzJCcGbz+Kj7U+I3+7qjPPRKM/xH9ae+fEn51P/Hx6fK4ZwUUCtYw8+ak 0oDp9+y4Mq1Jj+Emcd/2le9GgszmwPz5JRTUyZqA+T0w+xuhL+s/iSiB02y4UN14u5Lix ZmGg48qOecmFqI+xjSgrCQnmpt4fsw/wj4cLrLg+KB1FKws7HR4l9AI3PHsxD4zIdltyJ iAl9+BgOkB29NBg1XfKG8eCvzap4+C6dj6awEKLyB3GwqnFi7zjhyzj8FIOHakL2bww== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=egJnWgvZ; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C6E64606A32D for ; Sat, 7 Nov 2026 10:05:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=egJnWgvZ Received: by smtp.kernel.org (Postfix) with ESMTPSA id 154DD1F008A1; Sat, 7 Nov 2026 10:05:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794045911; bh=cTY8rPmRBPU8CX8BzTG+kXUzmM9qBp8BSl23xwSsjC0=; h=From:To:Cc:Subject:Date; b=egJnWgvZRtEiAa0tdwcVWmwhaS0Dz2U0lxeDP6FUTXeHpF1Ig6kuvbl0qheSCAnQY kfc/509ukN2i8Euf2VhrgX1MKeB/qhA6JZIM0L0BU1Un4REJLJBTcvLYrNBtvuWYqT lxMDX2D63gevHnnh6C/1NO2inSq/E2AYLwbByvELuw2VXHMBEP78KX7HB7Nw/EeHyE mgVakFrjgy/HLtTWc5R3yKGmenK139RrMOIGhgoavbzjMOT2NewuEKcVBP+ge45kvO 6Gj/S9CRFqGhmjzMnTt8da7ZzSCoSbca8pGTMtM/qO0FQUMU714M66jBazRCr21fYX dpdfoGmALx7Tg== From: Sasha Levin To: liuc63@xiaopeng.com, liuwb@xiaopeng.com, fw@strlen.de, pablo@netfilter.org Cc: stable@vger.kernel.org Subject: FAILED: patch "[PATCH] netfilter: nf_conntrack_netlink: fix inverted IPv6 tuple filter" failed to apply to 7.3-stable tree Date: Sat, 7 Nov 2026 05:05:09 -0500 Message-ID: <20261107050509-failed-7.3-cd37ab22a74e@kernel.org> X-Mailer: git-send-email 2.53.0 X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The patch below does not apply to the 7.3-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-7.3.y git checkout FETCH_HEAD git cherry-pick -x cd37ab22a74e05aae5c16c67295cbf5188b16268 # git commit -s git send-email --to '' --in-reply-to '20261107050509-failed-7.3-cd37ab22a74e@kernel.org' --subject-prefix 'PATCH 7.3.y' 'HEAD^..' Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From cd37ab22a74e05aae5c16c67295cbf5188b16268 Mon Sep 17 00:00:00 2001 From: Liu Chao Date: Mon, 19 Oct 2026 15:56:26 +0800 Subject: [PATCH] netfilter: nf_conntrack_netlink: fix inverted IPv6 tuple filter ctnetlink_filter_match_tuple() returns 0 (no match) when the IPv6 source or destination address differs from the filter, because the !ipv6_addr_cmp() test is inverted. ipv6_addr_cmp() returns 0 when the addresses are equal, so the negation makes the branch trigger on a match instead of a mismatch, which is the opposite of the IPv4 path above. Drop the '!' so the IPv6 branch returns 0 only when the addresses differ, matching the IPv4 semantics and the caller's expectation. Fixes: cb8aa9a3affb ("netfilter: ctnetlink: add kernel side filtering for dump") Cc: stable@vger.kernel.org Signed-off-by: Liu Chao Reviewed-by: Weibin Liu Reviewed-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_conntrack_netlink.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 4e5d7c7014368..cc8695d5356d2 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1098,13 +1098,13 @@ static int ctnetlink_filter_match_tuple(struct nf_conntrack_tuple *filter_tuple, break; case NFPROTO_IPV6: if ((flags & CTA_FILTER_FLAG(CTA_IP_SRC)) && - !ipv6_addr_cmp(&filter_tuple->src.u3.in6, - &ct_tuple->src.u3.in6)) + ipv6_addr_cmp(&filter_tuple->src.u3.in6, + &ct_tuple->src.u3.in6)) return 0; if ((flags & CTA_FILTER_FLAG(CTA_IP_DST)) && - !ipv6_addr_cmp(&filter_tuple->dst.u3.in6, - &ct_tuple->dst.u3.in6)) + ipv6_addr_cmp(&filter_tuple->dst.u3.in6, + &ct_tuple->dst.u3.in6)) return 0; break; } -- 2.53.0