From: Eric Dumazet <edumazet@google.com>
Date: Sat, 1 Dec 2012 13:07:02 +0000 (+0000)
Subject: tcp: fix crashes in do_tcp_sendpages()
X-Git-Tag: v3.7-rc8~6^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=64022d0b4e93ea432e95db55a72b8a1c5775f3c0;p=pandora-kernel.git

tcp: fix crashes in do_tcp_sendpages()

Recent network changes allowed high order pages being used
for skb fragments.

This uncovered a bug in do_tcp_sendpages() which was assuming its caller
provided an array of order-0 page pointers.

We only have to deal with a single page in this function, and its order
is irrelevant.

Reported-by: Willy Tarreau <w@1wt.eu>
Tested-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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