mptcp: pm: re-using ID of unused removed ADD_ADDR

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commit e255683c06 upstream.

If no subflow is attached to the 'signal' endpoint that is being
removed, the addr ID will not be marked as available again.

Mark the linked ID as available when removing the address entry from the
list to cover this case.

Fixes: b6c0838086 ("mptcp: remove addr and subflow in PM netlink")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240819-net-mptcp-pm-reusing-id-v1-1-38035d40de5b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Matthieu Baerts (NGI0) 2024-08-19 21:45:19 +02:00 • committed by Greg Kroah-Hartman

parent cc29c5546c

commit cb24bdcdec

1 changed files with 4 additions and 1 deletions

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net/mptcp/pm_netlink.c

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