This is a note to let you know that I've just added the patch titled
netrom: Fix a data-race around sysctl_netrom_transport_no_activity_timeout
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
netrom-fix-a-data-race-around-sysctl_netrom_transpor.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 74201d4f85da3fd78684d124a373d999331777bb
Author: Jason Xing <kernelxing@xxxxxxxxxxx>
Date: Mon Mar 4 16:20:43 2024 +0800
netrom: Fix a data-race around sysctl_netrom_transport_no_activity_timeout
[ Upstream commit f99b494b40431f0ca416859f2345746199398e2b ]
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@xxxxxxxxxxx>
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index d780adf54e19e..376b6af431448 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;
