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Message-ID: <20061106142148.GO5778@stusta.de>
Date: Mon, 6 Nov 2006 15:21:48 +0100
From: Adrian Bunk <bunk@...sta.de>
To: linville@...driver.com
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RFC: 2.6 patch] hostap_80211_rx(): fix a use-after-free
This patch fixes a use-after-free for "skb" spotted by the Coverity
checker.
Signed-off-by: Adrian Bunk <bunk@...sta.de>
--- linux-2.6/drivers/net/wireless/hostap/hostap_80211_rx.c.old 2006-11-06 14:51:36.000000000 +0100
+++ linux-2.6/drivers/net/wireless/hostap/hostap_80211_rx.c 2006-11-06 14:52:16.000000000 +0100
@@ -1004,10 +1004,10 @@ void hostap_80211_rx(struct net_device *
if (local->hostapd && local->apdev) {
/* Send IEEE 802.1X frames to the user
* space daemon for processing */
- prism2_rx_80211(local->apdev, skb, rx_stats,
- PRISM2_RX_MGMT);
local->apdevstats.rx_packets++;
local->apdevstats.rx_bytes += skb->len;
+ prism2_rx_80211(local->apdev, skb, rx_stats,
+ PRISM2_RX_MGMT);
goto rx_exit;
}
} else if (!frame_authorized) {
-
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