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[TCP]: tcp_highspeed: fix AIMD table out-of-bounds access

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Covertiy #547

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2006-03-12 20:34:53 -08:00 committed by David S. Miller
parent cc9a06cd8d
commit 4a1ff6e2bd
1 changed files with 1 additions and 1 deletions
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net/ipv4/tcp_highspeed.c
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@ -125,7 +125,7 @@ static void hstcp_cong_avoid(struct sock *sk, u32 adk, u32 rtt,
/* Update AIMD parameters */ /* Update AIMD parameters */
if (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd) { if (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd) {
while (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++; ca->ai++;
} else if (tp->snd_cwnd < hstcp_aimd_vals[ca->ai].cwnd) { } else if (tp->snd_cwnd < hstcp_aimd_vals[ca->ai].cwnd) {
while (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd && while (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd &&