From: Jason Xing Date: Mon, 4 Mar 2024 08:20:38 +0000 (+0800) Subject: netrom: Fix a data-race around sysctl_netrom_transport_timeout X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=60a7a152abd494ed4f69098cf0f322e6bb140612;p=linux.git netrom: Fix a data-race around sysctl_netrom_transport_timeout We need to protect the reader reading the sysctl value because the value can be changed concurrently. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Jason Xing Signed-off-by: Paolo Abeni --- diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 0eed00184adf4..4d0e0834d527b 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -453,7 +453,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol, nr_init_timers(sk); nr->t1 = - msecs_to_jiffies(sysctl_netrom_transport_timeout); + msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_timeout)); nr->t2 = msecs_to_jiffies(sysctl_netrom_transport_acknowledge_delay); nr->n2 =