shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-05 18:41:58 +09:00
Code Issues Packages Projects Releases Wiki Activity

netrom: Fix a data-race around sysctl_netrom_transport_maximum_tries

Browse Source 
[ Upstream commit e799299aafed417cc1f32adccb2a0e5268b3f6d5 ]

We need to protect the reader reading the sysctl value because the
value can be changed concurrently.

Fixes: 1da177e4c3 ("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>
This commit is contained in:
Jason Xing
2024-03-04 16:20:39 +08:00
committed by Sasha Levin
parent fed835d415
commit d28fa5f0e6
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/netrom/af_netrom.c
View File

@@ -457,7 +457,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol,
nr->t2 = nr->t2 =
msecs_to_jiffies(sysctl_netrom_transport_acknowledge_delay); msecs_to_jiffies(sysctl_netrom_transport_acknowledge_delay);
nr->n2 = nr->n2 =
msecs_to_jiffies(sysctl_netrom_transport_maximum_tries); msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_maximum_tries));
nr->t4 = nr->t4 =
msecs_to_jiffies(sysctl_netrom_transport_busy_delay); msecs_to_jiffies(sysctl_netrom_transport_busy_delay);
nr->idle = nr->idle =