diff options
| author | Kuniyuki Iwashima <kuniyu@amazon.com> | 2022-07-13 22:51:55 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-07-15 12:49:55 +0200 |
| commit | 289d3b21fb0bfc94c4e98f10635bba1824e5f83c (patch) | |
| tree | 5e796fd71b5154ce25a4434c3cc05f2dbe0c82e0 /net/sctp/protocol.c | |
| parent | ip: Fix data-races around sysctl_ip_fwd_update_priority. (diff) | |
| download | linux-289d3b21fb0bfc94c4e98f10635bba1824e5f83c.tar.xz linux-289d3b21fb0bfc94c4e98f10635bba1824e5f83c.zip | |
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>
Diffstat (limited to 'net/sctp/protocol.c')
| -rw-r--r-- | net/sctp/protocol.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index 35928fefae33..1a094b087d88 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -358,7 +358,7 @@ static int sctp_v4_available(union sctp_addr *addr, struct sctp_sock *sp) if (addr->v4.sin_addr.s_addr != htonl(INADDR_ANY) && ret != RTN_LOCAL && !sp->inet.freebind && - !net->ipv4.sysctl_ip_nonlocal_bind) + !READ_ONCE(net->ipv4.sysctl_ip_nonlocal_bind)) return 0; if (ipv6_only_sock(sctp_opt2sk(sp))) |