diff options
| author | Jason Xing <kernelxing@tencent.com> | 2024-03-04 16:20:38 +0800 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2024-03-15 10:48:16 -0400 |
| commit | fed835d415766a94fc0246dcebc3af4c03fe9941 (patch) | |
| tree | a0b683b3bad0b9bc45f30a845303522821985a04 | |
| parent | a47d68d777b41862757b7e3051f2d46d6e25f87b (diff) | |
| download | linux-stable-fed835d415766a94fc0246dcebc3af4c03fe9941.tar.gz linux-stable-fed835d415766a94fc0246dcebc3af4c03fe9941.tar.bz2 linux-stable-fed835d415766a94fc0246dcebc3af4c03fe9941.zip | |
netrom: Fix a data-race around sysctl_netrom_transport_timeout
[ Upstream commit 60a7a152abd494ed4f69098cf0f322e6bb140612 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | net/netrom/af_netrom.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index ec5747969f96..3c6567af2ba4 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 = |