]> git.baikalelectronics.ru Git - kernel.git/commit
tcp: Fix a data-race around sysctl_tcp_max_orphans.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 6 Jul 2022 23:39:58 +0000 (16:39 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 8 Jul 2022 11:10:33 +0000 (12:10 +0100)
commitbe0127d383b30c105e320dbdfa551209ef7c7010
treea8f6ca02dfc283f9c173d5c34077e2c70a42903f
parentfc1363ca1d0e0a1d3239eb192a02fbcd222c6d0c
tcp: Fix a data-race around sysctl_tcp_max_orphans.

While reading sysctl_tcp_max_orphans, it can be changed concurrently.
So, we need to add READ_ONCE() to avoid a data-race.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp.c