linux-kernel - [PATCH] nets: fix a buffer overrun

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Message-ID: <20081108023558.GB6384@ubuntu>
Date:	Sat, 8 Nov 2008 10:35:58 +0800
From:	Jianjun Kong <jianjun@...ux.org>
To:	linville@...driver.com
Cc:	Linux-Kernel-Mailing-List <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>
Subject: [PATCH] nets: fix a buffer overrun


net/mac80211/debugfs_sta.c
The trailing zero was written to state[4], it's out of bounds.

Signed-off-by: Jianjun Kong <jianjun@...ux.org>
---
 net/mac80211/debugfs_sta.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 189d0ba..b85c4f2 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -199,7 +199,7 @@ static ssize_t sta_agg_status_write(struct file *file,
 		/* toggle Rx aggregation command */
 		tid_num = tid_num - 100;
 		if (tid_static_rx[tid_num] == 1) {
-			strcpy(state, "off ");
+			strcpy(state, "off");
 			ieee80211_sta_stop_rx_ba_session(sta->sdata, da, tid_num, 0,
 					WLAN_REASON_QSTA_REQUIRE_SETUP);
 			sta->ampdu_mlme.tid_state_rx[tid_num] |=
-- 
1.5.6.3
--
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