Messages in this thread | | | Date | Sat, 19 May 2007 11:14:10 +0800 | From | Eugene Teo <> | Subject | Re: [2.6 patch] drivers/net/wireless/libertas/rx.c: fix use-after-free |
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John W. Linville wrote: > First, please send all wireless patches to > linux-wireless@vger.kernel.org, and be sure to CC me as well...thanks! > > On Sat, May 19, 2007 at 12:50:31AM +0800, Eugene Teo wrote: >> libertas_upload_rx_packet() calls netif_rx() before returning, and it always return 0. >> Also within libertas_upload_rx_packet(), it will initialize skb->protocol anyways. >> >> Spotted by the Coverity checker. > > A nearly identical patch was posted by Florin Malita <fmalita@gmail.com> > to netdev (also the wrong list) on Wednesday evening.
Nod. I wasn't subscribed to netdev list.
>> done: >> LEAVE(); >> >> - skb->protocol = __constant_htons(0x0019); /* ETH_P_80211_RAW */ >> - > > Except for this part...is this intentional?
skb could have been freed by then. And, in libertas_upload_rx_packet(), skb->protocol is initialized by eth_type_trans(skb, priv->wlan_dev.netdev).
Eugene
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