]> git.baikalelectronics.ru Git - kernel.git/commit
tcp: Fix data-races around sysctl_tcp_syncookies.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 15 Jul 2022 17:17:47 +0000 (10:17 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 18 Jul 2022 11:21:54 +0000 (12:21 +0100)
commit384ff98f071a69f4bf884c23aee605f44312be96
treed086482c4486c23c9ea6ebeb523b1251872086d4
parent1619f42f257dd09bb42033f596e8b41bbd52c86c
tcp: Fix data-races around sysctl_tcp_syncookies.

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

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/core/filter.c
net/ipv4/syncookies.c
net/ipv4/tcp_input.c
net/ipv6/syncookies.c