From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E3B01714B5 for ; Mon, 26 Aug 2024 12:09:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724674152; cv=none; b=cSfsfhIuhjOR64mrpr9Gw5vcA1VlH/0imQwTwHBO0a1Jkyk43p7eD6pPxDXxYh8VyBsMYyVV0bnErx9y3gedELLZOWC8ZZNvVXZMJSDosG7J08p2PtzriCdZi830BxlNOKiQW5fhlnBPdLvm5sKy8/pQtttns+5Hni97KctKTdM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724674152; c=relaxed/simple; bh=J4kX56AIYI7eFX75PHgskTia5KOkFyIe2Zf2FvKwEmQ=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=PzaFms6tnF7r/FfJpX67+wlBxbfC7kvjxwgfFWhfCBYotK8edYWgt62R78Yk4xFSB2FGQPOtFAT/ikNLqku958vqUb4eA4B2HjsNVSbpn//2vxxrHXB8ktSiNEvF1+8OuYQpWNd1w3rot2uOFe2NaocTTa/qIDoRc81RSPYtBL4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zoaqe7z/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="zoaqe7z/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 01389C4DDEC; Mon, 26 Aug 2024 12:09:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1724674152; bh=J4kX56AIYI7eFX75PHgskTia5KOkFyIe2Zf2FvKwEmQ=; h=Subject:To:Cc:From:Date:From; b=zoaqe7z/ZfBHCYoGHNi1x4Z9FEfAtSl/1iyTcngu33cuZvjjEr2OaJYbD3tAZQCIU FFsFkcfYVPimkHz80uytapKiiS4pEAvKExU82XJBSydx7aSdWv46MX/MlSlXUzihVc KJaoOyiM1sNXYlVOi5JghI02tB0Rq/gZIGJBe9pQ= Subject: FAILED: patch "[PATCH] selftests: mptcp: join: check re-using ID of closed subflow" failed to apply to 5.15-stable tree To: matttbe@kernel.org,kuba@kernel.org,martineau@kernel.org Cc: From: Date: Mon, 26 Aug 2024 14:09:01 +0200 Message-ID: <2024082601-scurvy-decade-b887@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 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 65fb58afa341ad68e71e5c4d816b407e6a683a66 # git commit -s git send-email --to '' --in-reply-to '2024082601-scurvy-decade-b887@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: 65fb58afa341 ("selftests: mptcp: join: check re-using ID of closed subflow") 04b57c9e096a ("selftests: mptcp: join: stop transfer when check is done (part 2)") b9fb176081fb ("selftests: mptcp: userspace pm send RM_ADDR for ID 0") e3b47e460b4b ("selftests: mptcp: userspace pm remove initial subflow") e571fb09c893 ("selftests: mptcp: add speed env var") 4aadde088a58 ("selftests: mptcp: add fullmesh env var") 080b7f5733fd ("selftests: mptcp: add fastclose env var") 662aa22d7dcd ("selftests: mptcp: set all env vars as local ones") 9e9d176df8e9 ("selftests: mptcp: add pm_nl_set_endpoint helper") 1534f87ee0dc ("selftests: mptcp: drop sflags parameter") 595ef566a2ef ("selftests: mptcp: drop addr_nr_ns1/2 parameters") 0c93af1f8907 ("selftests: mptcp: drop test_linkfail parameter") be7e9786c915 ("selftests: mptcp: set FAILING_LINKS in run_tests") d7ced753aa85 ("selftests: mptcp: check subflow and addr infos") 4369c198e599 ("selftests: mptcp: test userspace pm out of transfer") 36c4127ae8dd ("selftests: mptcp: join: skip implicit tests if not supported") ae947bb2c253 ("selftests: mptcp: join: skip Fastclose tests if not supported") d4c81bbb8600 ("selftests: mptcp: join: support local endpoint being tracked or not") 4a0b866a3f7d ("selftests: mptcp: join: skip test if iptables/tc cmds fail") 0c4cd3f86a40 ("selftests: mptcp: join: use 'iptables-legacy' if available") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 65fb58afa341ad68e71e5c4d816b407e6a683a66 Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" Date: Mon, 19 Aug 2024 21:45:22 +0200 Subject: [PATCH] selftests: mptcp: join: check re-using ID of closed subflow This test extends "delete and re-add" to validate the previous commit. A new 'subflow' endpoint is added, but the subflow request will be rejected. The result is that no subflow will be established from this address. Later, the endpoint is removed and re-added after having cleared the firewall rule. Before the previous commit, the client would not have been able to create this new subflow. While at it, extra checks have been added to validate the expected numbers of MPJ and RM_ADDR. The 'Fixes' tag here below is the same as the one from the previous commit: this patch here is not fixing anything wrong in the selftests, but it validates the previous fix for an issue introduced by this commit ID. Fixes: b6c08380860b ("mptcp: remove addr and subflow in PM netlink") Cc: stable@vger.kernel.org Reviewed-by: Mat Martineau Signed-off-by: Matthieu Baerts (NGI0) Link: https://patch.msgid.link/20240819-net-mptcp-pm-reusing-id-v1-4-38035d40de5b@kernel.org Signed-off-by: Jakub Kicinski diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 25077ccf31d2..fbb0174145ad 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -436,9 +436,10 @@ reset_with_tcp_filter() local ns="${!1}" local src="${2}" local target="${3}" + local chain="${4:-INPUT}" if ! ip netns exec "${ns}" ${iptables} \ - -A INPUT \ + -A "${chain}" \ -s "${src}" \ -p tcp \ -j "${target}"; then @@ -3571,10 +3572,10 @@ endpoint_tests() mptcp_lib_kill_wait $tests_pid fi - if reset "delete and re-add" && + if reset_with_tcp_filter "delete and re-add" ns2 10.0.3.2 REJECT OUTPUT && mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then - pm_nl_set_limits $ns1 1 1 - pm_nl_set_limits $ns2 1 1 + pm_nl_set_limits $ns1 0 2 + pm_nl_set_limits $ns2 0 2 pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow test_linkfail=4 speed=20 \ run_tests $ns1 $ns2 10.0.1.1 & @@ -3591,11 +3592,27 @@ endpoint_tests() chk_subflow_nr "after delete" 1 chk_mptcp_info subflows 0 subflows 0 - pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow + pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow wait_mpj $ns2 chk_subflow_nr "after re-add" 2 chk_mptcp_info subflows 1 subflows 1 + + pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow + wait_attempt_fail $ns2 + chk_subflow_nr "after new reject" 2 + chk_mptcp_info subflows 1 subflows 1 + + ip netns exec "${ns2}" ${iptables} -D OUTPUT -s "10.0.3.2" -p tcp -j REJECT + pm_nl_del_endpoint $ns2 3 10.0.3.2 + pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow + wait_mpj $ns2 + chk_subflow_nr "after no reject" 3 + chk_mptcp_info subflows 2 subflows 2 + mptcp_lib_kill_wait $tests_pid + + chk_join_nr 3 3 3 + chk_rm_nr 1 1 fi # remove and re-add