net: annotate data-race around sk->sk_txrehash

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[ Upstream commit c76a032889 ]

sk_getsockopt() runs locklessly. This means sk->sk_txrehash
can be read while other threads are changing its value.

Other locations were handled in commit cb6cd2cec7
("tcp: Change SYN ACK retransmit behaviour to account for rehash")

Fixes: 26859240e4 ("txhash: Add socket option to control TX hash rethink behavior")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Akhmat Karakotov <hmukos@yandex-team.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Eric Dumazet 2023-07-28 15:03:09 +00:00 • committed by Greg Kroah-Hartman

parent 60d92bc9c0

commit 0317c8322d

1 changed files with 5 additions and 2 deletions

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net/core/sock.c

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