tcp: Fix data-races around sysctl_tcp_ecn.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 12 Jul 2022 00:15:30 +0000 (17:15 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 13 Jul 2022 11:56:49 +0000 (12:56 +0100)
commit4785a66702f086cf2ea84bdbe6ec921f274bd9f2
tree28f36a4bf5f7825aacde839ad3286e1c1cec8a84
parent1dace014928e6e385363032d359a04dee9158af0
tcp: Fix data-races around sysctl_tcp_ecn.

While reading sysctl_tcp_ecn, 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>
drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
net/ipv4/syncookies.c
net/ipv4/sysctl_net_ipv4.c
net/ipv4/tcp_input.c
net/ipv4/tcp_output.c