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=1794049700; b=zxZab4xLQthfomTXq+AkHv226pcF4Ele0iCwcX/u9jqS5Xfx+hSptJWT/cqO1usFJtY9 x6o/AoyGtiFRThO+FfTMA9z3UjqktmaQBdBJbmuNA+Q5qdH5DaTAD1KLW5nFBZ1FBlW8v Zvd8GVSLfAJt0GY4fWr1ZkrUA9KIPpzFkgjlq1odr2wCEu4qtu++Drck9Bs1A+H9YBDyC ttsKgs+WhhuxXsB4StbGAA4P1vtvHI2c5AS947pK2gshvTg6JrXSwPyyf5CXKhpvH0D+W IpuAT6C5aMo3lvkY7ffpERycv1e9M55Ly12bcobbY/7es5eCuoiDsMLJ1id25u073Hg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794049700; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=fDXHQQ+q3dbxOWmPuRSBMl/u12tF0EB5QCnDRBGLJNc=; b=fTkXwFgJyQfYl+RVgQxiPpcQk402SmwRwvZjskfpwF2z1f+IjdoLN4waItZwn13Jj92+ jVTyi7ehlggdDFyIOyV8Gx6w74GyAmGYT3kw6ODCzqp3c3iOZSs3N0PAGnN/eh3kZi/ds CRuboT/t3VxQNP3zzazTF2PYqdAleLuVUe81MYaqtyRUtvLEDGJNyVrlq6poALwoL4lBw pUdzMH0WDM7MvZ/HLMB8pL0/DqvI/x0y4VtrPdY7j7gyqWr3iH4n/LN1EBcbgJfam+q/O s7+eKqiFP2749Xn7CsEuAstKp5VmrP2X9nv06qeR2s0fh+7N0fSCUDOyF/aPbEUGT0g== 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=aImm+US9; 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 2043B606A326 for ; Sat, 7 Nov 2026 11:08:20 +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=aImm+US9 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 673361F0089F; Sat, 7 Nov 2026 11:08:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794049700; bh=fDXHQQ+q3dbxOWmPuRSBMl/u12tF0EB5QCnDRBGLJNc=; h=From:To:Cc:Subject:Date; b=aImm+US9PKphhPTmCz2GIQ6Uc8g1amvrYyE3Jw5xWGHYRl42zCuRmj3GFc3wINllo AlN8RJdWO46kJL1vH3rqhYTZM/eV4vrWU+Uq2bp3Si+6nU8Vh2r4cyg7mkQOk+C+SL 17XjFPqmK2VG5aUW4Vp83b2Mlwz2e5QQPjItRGElmOMzD8a0PPUnn/2qNI0HIQCPcE PITBStjGbXS7TzwZaRleDoDqAooDJ8jGxm/OF3Xn5lEkIUibz1p4AgLAOKCOo5tB2O s0gPt1KBxE7AXlBGY5x5yeM0cMOCj05l1UvJ3xZ1I2Hr6Ih6W3PuhcgBvEW7cWGQbN urIAC1cOV7R7A== 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 5.15-stable tree Date: Sat, 7 Nov 2026 06:08:18 -0500 Message-ID: <20261107060818-failed-5.15-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 5.15-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-5.15.y git checkout FETCH_HEAD git cherry-pick -x cd37ab22a74e05aae5c16c67295cbf5188b16268 # git commit -s git send-email --to '' --in-reply-to '20261107060818-failed-5.15-cd37ab22a74e@kernel.org' --subject-prefix 'PATCH 5.15.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