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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 18:41:17 +0000 (19:41 +0100)
commit47897682fe041a5898cfd30a5f24d3173e856d5a
tree75e7b38bd06a0dbf992c5b6dffe4ca71699c1594tree | snapshot
parent67f6fba765ef8cb19089d476e3c367212a2fbdfdcommit | 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;