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authorJason Xing <kernelxing@tencent.com>2024-03-04 16:20:41 +0800
committerSasha Levin <sashal@kernel.org>2024-03-15 10:48:21 -0400
commit0a30016e892bccabea30af218782c4b6ce0970af (patch)
tree88b77f65c86db8cc36fe997b8abf1b39ece4a456
parenta22f9194f61ad4f2b6405c7c86bee85eac1befa5 (diff)
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netrom: Fix a data-race around sysctl_netrom_transport_busy_delay
[ Upstream commit 43547d8699439a67b78d6bb39015113f7aa360fd ] 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.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 8ada0da3c0e0..10eee02ef99e 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -459,7 +459,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol,
nr->n2 =
msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_maximum_tries));
nr->t4 =
- msecs_to_jiffies(sysctl_netrom_transport_busy_delay);
+ msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_busy_delay));
nr->idle =
msecs_to_jiffies(sysctl_netrom_transport_no_activity_timeout);
nr->window = sysctl_netrom_transport_requested_window_size;