Patch "netrom: Fix a data-race around sysctl_netrom_transport_acknowledge_delay" has been added to the 5.10-stable tree

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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_acknowledge_delay

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 b4ac1c1d2231d06a5c00e6deaa9bd5e6603a87f3
Author: Jason Xing <kernelxing@xxxxxxxxxxx>
Date:   Mon Mar 4 16:20:40 2024 +0800

    netrom: Fix a data-race around sysctl_netrom_transport_acknowledge_delay
    
    [ Upstream commit 806f462ba9029d41aadf8ec93f2f99c5305deada ]
    
    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 678a7bbd84bf2..5a5cca18ae0c6 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     =




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