Patch "selftests: mptcp: fix fastclose with csum failure" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    selftests: mptcp: fix fastclose with csum failure

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     selftests-mptcp-fix-fastclose-with-csum-failure.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 7cefbe5e1dacc7236caa77e9d072423f21422fe2 Mon Sep 17 00:00:00 2001
From: Paolo Abeni <pabeni@xxxxxxxxxx>
Date: Tue, 14 Nov 2023 00:16:17 +0100
Subject: selftests: mptcp: fix fastclose with csum failure

From: Paolo Abeni <pabeni@xxxxxxxxxx>

commit 7cefbe5e1dacc7236caa77e9d072423f21422fe2 upstream.

Running the mp_join selftest manually with the following command line:

  ./mptcp_join.sh -z -C

leads to some failures:

  002 fastclose server test
  # ...
  rtx                                 [fail] got 1 MP_RST[s] TX expected 0
  # ...
  rstrx                               [fail] got 1 MP_RST[s] RX expected 0

The problem is really in the wrong expectations for the RST checks
implied by the csum validation. Note that the same check is repeated
explicitly in the same test-case, with the correct expectation and
pass successfully.

Address the issue explicitly setting the correct expectation for
the failing checks.

Reported-by: Xiumei Mu <xmu@xxxxxxxxxx>
Fixes: 6bf41020b72b ("selftests: mptcp: update and extend fastclose test-cases")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Reviewed-by: Matthieu Baerts <matttbe@xxxxxxxxxx>
Signed-off-by: Matthieu Baerts <matttbe@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20231114-upstream-net-20231113-mptcp-misc-fixes-6-7-rc2-v1-5-7b9cd6a7b7f4@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/net/mptcp/mptcp_join.sh |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -3237,7 +3237,7 @@ fastclose_tests()
 	if reset_check_counter "fastclose server test" "MPTcpExtMPFastcloseRx"; then
 		test_linkfail=1024 fastclose=server \
 			run_tests $ns1 $ns2 10.0.1.1
-		chk_join_nr 0 0 0
+		chk_join_nr 0 0 0 0 0 0 1
 		chk_fclose_nr 1 1 invert
 		chk_rst_nr 1 1
 	fi


Patches currently in stable-queue which might be from pabeni@xxxxxxxxxx are

queue-6.6/mptcp-deal-with-large-gso-size.patch
queue-6.6/atl1c-work-around-the-dma-rx-overflow-issue.patch
queue-6.6/net-sfp-add-quirk-for-fs-s-2.5g-copper-sfp.patch
queue-6.6/mptcp-fix-setsockopt-ip_tos-subflow-locking.patch
queue-6.6/net-sfp-add-quirk-for-fiberstone-gpon-onu-34-20bi.patch
queue-6.6/af_unix-fix-use-after-free-in-unix_stream_read_actor.patch
queue-6.6/net-dsa-lan9303-consequently-nested-lock-physical-mdio.patch
queue-6.6/net-ethtool-fix-documentation-of-ethtool_sprintf.patch
queue-6.6/net-sched-do-not-offload-flows-with-a-helper-in-act_.patch
queue-6.6/macvlan-don-t-propagate-promisc-change-to-lower-dev-.patch
queue-6.6/selftests-mptcp-fix-fastclose-with-csum-failure.patch



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