We changed how the metrics were stored so RTAX_CWND needs to be changed
to TCP_METRIC_CWND or it leads to write past the end of the
->tcpm_vals[] array.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 1fd83d3..c6b0f20 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -412,7 +412,8 @@ void tcp_update_metrics(struct sock *sk)
max(tp->snd_cwnd >> 1, tp->snd_ssthresh));
if (!tcp_metric_locked(tm, TCP_METRIC_CWND)) {
val = tcp_metric_get(tm, TCP_METRIC_CWND);
- tcp_metric_set(tm, RTAX_CWND, (val + tp->snd_cwnd) >> 1);
+ tcp_metric_set(tm, TCP_METRIC_CWND,
+ (val + tp->snd_cwnd) >> 1);
}
} else {
/* Else slow start did not finish, cwnd is non-sense,
--
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