diff options
| author | Pan Bian <bianpan2016@163.com> | 2018-11-28 14:53:19 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-11-28 10:38:48 -0800 |
| commit | cfc435198f53a6fa1f656d98466b24967ff457d0 (patch) | |
| tree | fcdc35233ab6cbfa602bd55da168c397587f4698 | |
| parent | 4df5ce9bc03e47d05f400e64aa32a82ec4cef419 (diff) | |
| download | linux-cfc435198f53a6fa1f656d98466b24967ff457d0.tar.bz2 | |
rapidio/rionet: do not free skb before reading its length
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>
| -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 e9f101c9bae2..bfbb39f93554 100644 --- a/drivers/net/rionet.c +++ b/drivers/net/rionet.c @@ -216,9 +216,9 @@ 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); } } |