diff options
| author |   Kuniyuki Iwashima <kuniyu@amazon.com> | 2022-07-11 17:15:29 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-07-13 12:56:49 +0100 |
| commit | 1dace014928e6e385363032d359a04dee9158af0 (patch) | |
| tree | 9d4ae8876da4ae949d8c224c2b36941cc8e2d683 /include/net/raw.h | |
| parent | icmp: Fix a data-race around sysctl_icmp_ratemask. (diff) | |
| download | wireguard-linux-1dace014928e6e385363032d359a04dee9158af0.tar.xz wireguard-linux-1dace014928e6e385363032d359a04dee9158af0.zip | |
raw: Fix a data-race around sysctl_raw_l3mdev_accept.
While reading sysctl_raw_l3mdev_accept, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Fixes: 6897445fb194 ("net: provide a sysctl raw_l3mdev_accept for raw socket lookup with VRFs")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/raw.h')
| -rw-r--r-- | include/net/raw.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/raw.h b/include/net/raw.h index 8ad8df594853..c51a635671a7 100644 --- a/include/net/raw.h +++ b/include/net/raw.h @@ -75,7 +75,7 @@ static inline bool raw_sk_bound_dev_eq(struct net *net, int bound_dev_if, int dif, int sdif) { #if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV) - return inet_bound_dev_eq(!!net->ipv4.sysctl_raw_l3mdev_accept, + return inet_bound_dev_eq(READ_ONCE(net->ipv4.sysctl_raw_l3mdev_accept), bound_dev_if, dif, sdif); #else return inet_bound_dev_eq(true, bound_dev_if, dif, sdif); |