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authorJason Xing <kernelxing@tencent.com>2024-03-04 16:20:38 +0800
committerPaolo Abeni <pabeni@redhat.com>2024-03-07 10:36:58 +0100
commit60a7a152abd494ed4f69098cf0f322e6bb140612 (patch)
tree1158fc4b3b72a41dd586c132f26271dff19d8a2d /net/netrom
parent119cae5ea3f9e35cdada8e572cc067f072fa825a (diff)
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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 <kernelxing@tencent.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/netrom')
-rw-r--r--net/netrom/af_netrom.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 0eed00184adf..4d0e0834d527 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 =