[PATCH net-next 3/8] ipv6: annotate date-race in ipv6_can_nonlocal_bind()
From: Eric Dumazet <edumazet@google.com>
Date: 2026-01-15 09:41:50
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
Add a missing READ_ONCE(), and add const qualifiers to the two parameters. Signed-off-by: Eric Dumazet <edumazet@google.com> --- include/net/ipv6.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 7873b34181d9bbf18cc61522967e6db5d646813c..f39cd85e89123a06f7660868ef42c8050d693fbf 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h@@ -931,10 +931,10 @@ static inline void iph_to_flow_copy_v6addrs(struct flow_keys *flow, #if IS_ENABLED(CONFIG_IPV6) -static inline bool ipv6_can_nonlocal_bind(struct net *net, - struct inet_sock *inet) +static inline bool ipv6_can_nonlocal_bind(const struct net *net, + const struct inet_sock *inet) { - return net->ipv6.sysctl.ip_nonlocal_bind || + return READ_ONCE(net->ipv6.sysctl.ip_nonlocal_bind) || test_bit(INET_FLAGS_FREEBIND, &inet->inet_flags) || test_bit(INET_FLAGS_TRANSPARENT, &inet->inet_flags); }
--
2.52.0.457.g6b5491de43-goog