From: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Date: Mon, 17 Mar 2014 17:30:19 +0000 (+0100)
Subject: ieee802154: properly unshare skbs in ieee802154 *_rcv functions
X-Git-Tag: v3.15-rc1~113^2~127
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8cfad496c4257441710735ccef622f3829870164;p=pandora-kernel.git

ieee802154: properly unshare skbs in ieee802154 *_rcv functions

ieee802154 sockets do not properly unshare received skbs, which leads to
panics (at least) when they are used in conjunction with 6lowpan, so
run skb_share_check on received skbs.
6lowpan also contains a use-after-free, which is trivially fixed by
replacing the inlined skb_share_check with the explicit call.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Tested-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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