From 4a1ff6e2bde56cdf176bd54d557b2e15e819f810 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Sun, 12 Mar 2006 20:34:53 -0800 Subject: [PATCH] [TCP]: tcp_highspeed: fix AIMD table out-of-bounds access Covertiy #547 Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/ipv4/tcp_highspeed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/tcp_highspeed.c b/net/ipv4/tcp_highspeed.c index 63cf7e540847..e0e9d1383c7c 100644 --- a/net/ipv4/tcp_highspeed.c +++ b/net/ipv4/tcp_highspeed.c @@ -125,7 +125,7 @@ static void hstcp_cong_avoid(struct sock *sk, u32 adk, u32 rtt, /* Update AIMD parameters */ if (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd) { while (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd && - ca->ai < HSTCP_AIMD_MAX) + ca->ai < HSTCP_AIMD_MAX - 1) ca->ai++; } else if (tp->snd_cwnd < hstcp_aimd_vals[ca->ai].cwnd) { while (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd && -- 2.20.1