ip: Fix data-races around sysctl_ip_nonlocal_bind.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 13 Jul 2022 20:51:55 +0000 (13:51 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 15 Jul 2022 10:49:55 +0000 (11:49 +0100)
commit289d3b21fb0bfc94c4e98f10635bba1824e5f83c
tree5e796fd71b5154ce25a4434c3cc05f2dbe0c82e0
parent7bf9e18d9a5e99e3c83482973557e9f047b051e7
ip: Fix data-races around sysctl_ip_nonlocal_bind.

While reading sysctl_ip_nonlocal_bind, 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>
include/net/inet_sock.h
net/sctp/protocol.c