From: Jason Xing Date: Mon, 4 Mar 2024 08:20:40 +0000 (+0800) Subject: netrom: Fix a data-race around sysctl_netrom_transport_acknowledge_delay X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=806f462ba9029d41aadf8ec93f2f99c5305deada;p=linux.git netrom: Fix a data-race around sysctl_netrom_transport_acknowledge_delay 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 312fc745db7ff..8ada0da3c0e08 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -455,7 +455,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol, nr->t1 = msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_timeout)); nr->t2 = - msecs_to_jiffies(sysctl_netrom_transport_acknowledge_delay); + msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_acknowledge_delay)); nr->n2 = msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_maximum_tries)); nr->t4 =