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| author | Eric Dumazet <edumazet@google.com> | 2023-12-08 11:12:44 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-12-11 11:59:17 +0100 |
| commit | 1ac13efd614c752d3b47bbfb58e7c36eeb92cb5a (patch) | |
| tree | 34623c8c03fc41bcf60cea58e0db4a8bb4ea7f35 /net/l2tp/l2tp_ip6.c | |
| parent | ipv6: annotate data-races around np->mcast_oif (diff) | |
| download | linux-1ac13efd614c752d3b47bbfb58e7c36eeb92cb5a.tar.xz linux-1ac13efd614c752d3b47bbfb58e7c36eeb92cb5a.zip | |
ipv6: annotate data-races around np->ucast_oif
np->ucast_oif is read locklessly in some contexts.
Make all accesses to this field lockless, adding appropriate
annotations.
This also makes setsockopt( IPV6_UNICAST_IF ) lockless.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp/l2tp_ip6.c')
| -rw-r--r-- | net/l2tp/l2tp_ip6.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index 17301f9dd228..dd3153966173 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -601,7 +601,7 @@ static int l2tp_ip6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr)) fl6.flowi6_oif = READ_ONCE(np->mcast_oif); else if (!fl6.flowi6_oif) - fl6.flowi6_oif = np->ucast_oif; + fl6.flowi6_oif = READ_ONCE(np->ucast_oif); security_sk_classify_flow(sk, flowi6_to_flowi_common(&fl6)); |