From: Jason Xing Date: Mon, 4 Mar 2024 08:20:43 +0000 (+0800) Subject: netrom: Fix a data-race around sysctl_netrom_transport_no_activity_timeout X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f99b494b40431f0ca416859f2345746199398e2b;p=linux.git netrom: Fix a data-race around sysctl_netrom_transport_no_activity_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 e65418fb9d882..1671be042ffef 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -461,7 +461,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol, nr->t4 = msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_busy_delay)); nr->idle = - msecs_to_jiffies(sysctl_netrom_transport_no_activity_timeout); + msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_no_activity_timeout)); nr->window = READ_ONCE(sysctl_netrom_transport_requested_window_size); nr->bpqext = 1;