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(parent: 39e2443) | patch
tcp: Fix a data-race around sysctl_tcp_notsent_lowat.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 15 Jul 2022 17:17:51 +0000 (10:17 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 18 Jul 2022 11:21:54 +0000 (12:21 +0100)
commit55be873695ed8912eb77ff46d1d1cadf028bd0f3
treedc09e8b892a057fcc2957dab4ddb64cafd71c6d6tree
parent39e24435a776e9de5c6dd188836cf2523547804bcommit | diff
tcp: Fix a data-race around sysctl_tcp_notsent_lowat.

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

Fixes: c9bee3b7fdec ("tcp: TCP_NOTSENT_LOWAT socket option")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/tcp.h diff | blob | history
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