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rapidio/rionet: do not free skb before reading its length
authorPan Bian <bianpan2016@163.com>
Wed, 28 Nov 2018 06:53:19 +0000 (14:53 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 5 Dec 2018 18:31:59 +0000 (19:31 +0100)
commit720e0d05af0f85715026f2344b22f418b4d03bbb
treeef2e442fc6b6583e8c5dc65cb4ac8fb8c0f0d1fctree | snapshot
parentf2a67e68dbaeae7c88e5522873d7b908911f9f77commit | diff
rapidio/rionet: do not free skb before reading its length

[ Upstream commit cfc435198f53a6fa1f656d98466b24967ff457d0 ]

skb is freed via dev_kfree_skb_any, however, skb->len is read then. This
may result in a use-after-free bug.

Fixes: e6161d64263 ("rapidio/rionet: rework driver initialization and removal")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/rionet.c diff | blob | history
Domain: System / Kernel; Licenses: GPL-2.0;