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| author | Jason Xing <kernelxing@tencent.com> | 2024-03-04 16:20:42 +0800 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2024-03-15 10:48:20 -0400 |
| commit | db006d7edbf0b4800390ece3727a82f4ae764043 (patch) | |
| tree | 46446eaf4e3cad3f1c7fefe5ef674f7f737eb8ee | |
| parent | 4ccad39009e7bd8a03d60a97c87b0327ae812880 (diff) | |
| download | linux-stable-db006d7edbf0b4800390ece3727a82f4ae764043.tar.gz linux-stable-db006d7edbf0b4800390ece3727a82f4ae764043.tar.bz2 linux-stable-db006d7edbf0b4800390ece3727a82f4ae764043.zip | |
netrom: Fix a data-race around sysctl_netrom_transport_requested_window_size
[ Upstream commit a2e706841488f474c06e9b33f71afc947fb3bf56 ]
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 3aa52187cf98..851c3a625768 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -462,7 +462,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol, 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; + nr->window = READ_ONCE(sysctl_netrom_transport_requested_window_size); nr->bpqext = 1; nr->state = NR_STATE_0; |