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| author | Jason Xing <kernelxing@tencent.com> | 2024-03-04 11:20:38 +0300 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2024-03-15 17:48:15 +0300 |
| commit | 500936692ccca8617a955652d1929f079b17a201 (patch) | |
| tree | 508ae3dc87d8900e4732e1a315e2bcf8643101cb /net | |
| parent | acc653e8a3aaab1b7103f98645f2cce7be89e3d3 (diff) | |
| download | linux-500936692ccca8617a955652d1929f079b17a201.tar.xz | |
netrom: Fix a data-race around sysctl_netrom_transport_timeout
[ Upstream commit 60a7a152abd494ed4f69098cf0f322e6bb140612 ]
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 146550ce0ac6..a07652c91f2d 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -456,7 +456,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol, nr_init_timers(sk); nr->t1 = - msecs_to_jiffies(sysctl_netrom_transport_timeout); + msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_timeout)); nr->t2 = msecs_to_jiffies(sysctl_netrom_transport_acknowledge_delay); nr->n2 = |