From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrian Bunk Subject: [RFC: 2.6 patch] hostap_80211_rx(): fix a use-after-free Date: Mon, 6 Nov 2006 15:21:48 +0100 Message-ID: <20061106142148.GO5778@stusta.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: To: linville@tuxdriver.com Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org This patch fixes a use-after-free for "skb" spotted by the Coverity checker. Signed-off-by: Adrian Bunk --- 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) {