diff options
| author | Pan Bian <bianpan2016@163.com> | 2018-11-28 14:53:19 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-13 09:21:26 +0100 |
| commit | 9ab8f8cb2615cf49334dc41fee1dfbce1f450b15 (patch) | |
| tree | 26029b3c28d6b8181ad5ff6fd8fb1286b1122056 /drivers | |
| parent | 494fedded2d6404d69c4cf00591b003c06c7afaa (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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/rionet.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c index e7034c55e796..6ef9188384ce 100644 --- a/drivers/net/rionet.c +++ b/drivers/net/rionet.c @@ -215,9 +215,9 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev) * it just report sending a packet to the target * (without actual packet transfer). */ - dev_kfree_skb_any(skb); ndev->stats.tx_packets++; ndev->stats.tx_bytes += skb->len; + dev_kfree_skb_any(skb); } } |