diff options
| author | Jason Xing <kernelxing@tencent.com> | 2024-03-04 11:20:42 +0300 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2024-03-15 17:48:15 +0300 |
| commit | 4f2efa17c3ec5e4be0567b47439b9713c0dc6550 (patch) | |
| tree | f6f915143a639f132fffb1aac1fe5c1a0b31411d /net | |
| parent | 7782e5e7047cae6b9255ee727c99fc73d77cf773 (diff) | |
| download | linux-4f2efa17c3ec5e4be0567b47439b9713c0dc6550.tar.xz | |
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>
Diffstat (limited to 'net')
| -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 5769fe9c111e..1d4b4d228ca0 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -465,7 +465,7 @@ 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; |