Re: [2.6 patch] drivers/net/wireless/libertas/rx.c: fix use-after-free

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From: Eugene Teo
Date: Monday, May 21, 2007 - 7:30 am

<quote sender="John W. Linville">

skb could have been freed by then. Also, in libertas_upload_rx_packet(),
skb->protocol is initialized by eth_type_trans().

Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Eugene Teo <eugeneteo@kernel.sg>
---

diff -uprN -X 2.6.22-rc2/Documentation/dontdiff 2.6.22-rc2.default/drivers/net/wireless/libertas/rx.c 2.6.22-rc2/drivers/net/wireless/libertas/rx.c
--- 2.6.22-rc2.default/drivers/net/wireless/libertas/rx.c	2007-05-21 22:07:50.000000000 +0800
+++ 2.6.22-rc2/drivers/net/wireless/libertas/rx.c	2007-05-21 22:08:44.000000000 +0800
@@ -453,7 +453,5 @@ static int process_rxed_802_11_packet(wl
 done:
 	LEAVE();
 
-	skb->protocol = __constant_htons(0x0019);	/* ETH_P_80211_RAW */
-
 	return (ret);
 }

-- 
1024D/58DF8823 print 47B9 90F6 AE4A 9C51 37E0  D6E1 EA84 C6A2 58DF 8823
main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); }
-
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Messages in current thread:
Re: [2.6 patch] drivers/net/wireless/libertas/rx.c: fix us ..., John W. Linville, (Fri May 18, 10:46 am)
Re: [2.6 patch] drivers/net/wireless/libertas/rx.c: fix us ..., Eugene Teo, (Mon May 21, 7:30 am)