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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Pablo Neira Ayuso , Florian Westphal , Phil Sutter , Nikolay Aleksandrov , Paul Moore , Matthieu Baerts , Mat Martineau , Geliang Tang , Julian Anastasov , Allison Henderson , Marcelo Ricardo Leitner , Xin Long , "D. Wythe" , Dust Li , Sidraya Jayagond , Mahanta Jambigi , Tony Lu , Wen Gu , linux-kernel@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, bridge@lists.linux.dev, linux-security-module@vger.kernel.org, mptcp@lists.linux.dev, lvs-devel@vger.kernel.org, linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com, linux-sctp@vger.kernel.org, linux-s390@vger.kernel.org Subject: [PATCH net-next 11/14] ipvs: annotate data-races around lblc_expiration and lblcr_expiration Date: Mon, 9 Nov 2026 10:52:10 +0800 Message-ID: <20261109025425.328445-12-jiayuan.chen@linux.dev> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261109025425.328445-1-jiayuan.chen@linux.dev> References: <20261109025425.328445-1-jiayuan.chen@linux.dev> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit sysctl_lblc_expiration and sysctl_lblcr_expiration are read without any lock while their sysctl handlers update them with WRITE_ONCE(). Add READ_ONCE() to the readers. Signed-off-by: Jiayuan Chen --- net/netfilter/ipvs/ip_vs_lblc.c | 2 +- net/netfilter/ipvs/ip_vs_lblcr.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c index e1111c3b27211..21bb820e02914 100644 --- a/net/netfilter/ipvs/ip_vs_lblc.c +++ b/net/netfilter/ipvs/ip_vs_lblc.c @@ -249,7 +249,7 @@ static void ip_vs_lblc_flush(struct ip_vs_service *svc) static int sysctl_lblc_expiration(struct ip_vs_service *svc) { #ifdef CONFIG_SYSCTL - return svc->ipvs->sysctl_lblc_expiration; + return READ_ONCE(svc->ipvs->sysctl_lblc_expiration); #else return DEFAULT_EXPIRATION; #endif diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c index dfb5bf83750db..33d6e30968a95 100644 --- a/net/netfilter/ipvs/ip_vs_lblcr.c +++ b/net/netfilter/ipvs/ip_vs_lblcr.c @@ -413,7 +413,7 @@ static void ip_vs_lblcr_flush(struct ip_vs_service *svc) static int sysctl_lblcr_expiration(struct ip_vs_service *svc) { #ifdef CONFIG_SYSCTL - return svc->ipvs->sysctl_lblcr_expiration; + return READ_ONCE(svc->ipvs->sysctl_lblcr_expiration); #else return DEFAULT_EXPIRATION; #endif -- 2.43.0