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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Andrew Morton <akpm@digeo.com>
Cc: Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Trond Myklebust <trond.myklebust@fys.uio.no>,
	Neil Brown <neilb@cse.unsw.edu.au>
Subject: Re: 2.5.69-mm9
Date: 26 May 2003 01:19:54 +0200	[thread overview]
Message-ID: <shsk7ceaa1x.fsf@charged.uio.no> (raw)
In-Reply-To: <20030525154840.3ba7609b.akpm@digeo.com>

>>>>> " " == Andrew Morton <akpm@digeo.com> writes:

     > I would be inclined to say that this is a hitherto undiscovered
     > use-after-free bug.

Does the following fix it?

Cheers,
  Trond


--- linux-2.5.69/net/sunrpc/svcsock.c.orig	2003-05-20 08:34:35.000000000 +0200
+++ linux-2.5.69/net/sunrpc/svcsock.c	2003-05-26 01:16:33.000000000 +0200
@@ -600,6 +600,7 @@
 			return 0;
 		}
 		local_bh_enable();
+		svsk->sk_sk->stamp = skb->stamp;
 		skb_free_datagram(svsk->sk_sk, skb); 
 	} else {
 		/* we can use it in-place */
@@ -614,6 +615,7 @@
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
 		}
 		rqstp->rq_skbuff = skb;
+		svsk->sk_sk->stamp = skb->stamp;
 	}
 
 	rqstp->rq_arg.page_base = 0;
@@ -629,7 +631,6 @@
 		serv->sv_stats->netudpcnt++;
 
 	/* One down, maybe more to go... */
-	svsk->sk_sk->stamp = skb->stamp;
 	svc_sock_received(svsk);
 
 	return len;
--
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  parent reply	other threads:[~2003-05-25 23:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-25 11:27 2.5.69-mm9 Andrew Morton
2003-05-25 12:50 ` 2.5.69-mm9 Daniele Bellucci
2003-05-25 12:56 ` 2.5.69-mm9 Rudmer van Dijk
2003-05-25 13:58   ` 2.5.69-mm9 Ed Sweetman
2003-05-25 14:07   ` 2.5.69-mm9 Ed Sweetman
2003-05-25 20:06     ` 2.5.69-mm9 Andrew Morton
2003-05-25 20:29       ` 2.5.69-mm9 Adrian Bunk
2003-05-25 16:47   ` 2.5.69-mm9 Nicholas Wourms
2003-05-25 17:06 ` 2.5.69-mm9 Adam Kropelin
2003-05-25 21:56 ` 2.5.69-mm9 Felipe Alfaro Solana
2003-05-25 22:48   ` 2.5.69-mm9 Andrew Morton
2003-05-25 23:16     ` 2.5.69-mm9 Neil Brown
2003-05-25 23:19     ` Trond Myklebust [this message]
2003-05-26 18:30 ` 2.5.69-mm9 Daniele Bellucci
2003-05-26 19:20   ` 2.5.69-mm9 Daniele Bellucci

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