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| author | Eric Dumazet <edumazet@google.com> | 2023-12-08 10:12:44 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-12-11 10:59:17 +0000 |
| commit | 1ac13efd614c752d3b47bbfb58e7c36eeb92cb5a (patch) | |
| tree | 34623c8c03fc41bcf60cea58e0db4a8bb4ea7f35 /net/ipv6/udp.c | |
| parent | d2f011a0bf28c090ad75c9b1d306f2e1dda1c9bc (diff) | |
| download | linux-1ac13efd614c752d3b47bbfb58e7c36eeb92cb5a.tar.gz | |
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/ipv6/udp.c')
| -rw-r--r-- | net/ipv6/udp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 0b7c755faa77b..594e3f23c1290 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1544,7 +1544,7 @@ do_udp_sendmsg: fl6->flowi6_oif = READ_ONCE(np->mcast_oif); connected = false; } 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)); |