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(parent: feb8809) | patch
tcp: Fix a data-race around sysctl_tcp_early_retrans.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Mon, 18 Jul 2022 17:26:45 +0000 (10:26 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 20 Jul 2022 09:14:49 +0000 (10:14 +0100)
commitcadd859b45b7dee4d1694247cad2bcded6485a63
treee69d74e770aa2e2ff1b336baf7dddd08caf01377tree | snapshot
parentfeb8809e64a74f74236aed1fd910d90a6ef4dea1commit | diff
tcp: Fix a data-race around sysctl_tcp_early_retrans.

While reading sysctl_tcp_early_retrans, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.

Fixes: c3b2487f9ff9 ("tcp: early retransmit")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_output.c diff | blob | history
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