Commit 58f8ef625e23 for kernel

commit 58f8ef625e23a607f4a89758d6b328a2701f7354
Author: Ido Schimmel <idosch@nvidia.com>
Date:   Tue Feb 24 14:57:09 2026 +0200

    selftests: team: Add a reference count leak test

    Add a test for the issue that was fixed in "team: avoid NETDEV_CHANGEMTU
    event when unregistering slave".

    The test hangs due to a reference count leak without the fix:

     # make -C tools/testing/selftests TARGETS="drivers/net/team" TEST_PROGS=refleak.sh TEST_GEN_PROGS="" run_tests
     [...]
     TAP version 13
     1..1
     # timeout set to 45
     # selftests: drivers/net/team: refleak.sh
     [   50.681299][  T496] unregister_netdevice: waiting for dummy1 to become free. Usage count = 3
     [   71.185325][  T496] unregister_netdevice: waiting for dummy1 to become free. Usage count = 3

    And passes with the fix:

     # make -C tools/testing/selftests TARGETS="drivers/net/team" TEST_PROGS=refleak.sh TEST_GEN_PROGS="" run_tests
     [...]
     TAP version 13
     1..1
     # timeout set to 45
     # selftests: drivers/net/team: refleak.sh
     ok 1 selftests: drivers/net/team: refleak.sh

    Signed-off-by: Ido Schimmel <idosch@nvidia.com>
    Reviewed-by: Jiri Pirko <jiri@nvidia.com>
    Acked-by: Stanislav Fomichev <sdf@fomichev.me>
    Link: https://patch.msgid.link/20260224125709.317574-3-idosch@nvidia.com
    Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/testing/selftests/drivers/net/team/Makefile b/tools/testing/selftests/drivers/net/team/Makefile
index 1340b3df9c31..45a3e7ad3dcb 100644
--- a/tools/testing/selftests/drivers/net/team/Makefile
+++ b/tools/testing/selftests/drivers/net/team/Makefile
@@ -5,6 +5,7 @@ TEST_PROGS := \
 	dev_addr_lists.sh \
 	options.sh \
 	propagation.sh \
+	refleak.sh \
 # end of TEST_PROGS

 TEST_INCLUDES := \
diff --git a/tools/testing/selftests/drivers/net/team/refleak.sh b/tools/testing/selftests/drivers/net/team/refleak.sh
new file mode 100755
index 000000000000..ef08213ab964
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/team/refleak.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# shellcheck disable=SC2154
+
+lib_dir=$(dirname "$0")
+source "$lib_dir"/../../../net/lib.sh
+
+trap cleanup_all_ns EXIT
+
+# Test that there is no reference count leak and that dummy1 can be deleted.
+# https://lore.kernel.org/netdev/4d69abe1-ca8d-4f0b-bcf8-13899b211e57@I-love.SAKURA.ne.jp/
+setup_ns ns1 ns2
+ip -n "$ns1" link add name team1 type team
+ip -n "$ns1" link add name dummy1 mtu 1499 type dummy
+ip -n "$ns1" link set dev dummy1 master team1
+ip -n "$ns1" link set dev dummy1 netns "$ns2"
+ip -n "$ns2" link del dev dummy1