net: mctp: move expiry timer delete to unhash

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[ Upstream commit 5f41ae6fca ]

Currently, we delete the key expiry timer (in sk->close) before
unhashing the sk. This means that another thread may find the sk through
its presence on the key list, and re-queue the timer.

This change moves the timer deletion to the unhash, after we have made
the key no longer observable, so the timer cannot be re-queued.

Fixes: 7b14e15ae6 ("mctp: Implement a timeout for tags")
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Jeremy Kerr 2023-01-24 10:01:04 +08:00 • committed by Greg Kroah-Hartman

parent d0cdcc3da9

commit 2f87a60e9b

1 changed files with 6 additions and 3 deletions

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net/mctp/af_mctp.c

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