UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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: e6161d6426 ("rapidio/rionet: rework driver initialization and removal")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pan Bian 2018-11-28 14:53:19 +08:00 committed by David S. Miller
parent 4df5ce9bc0
commit cfc435198f
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/rionet.c
View File

@ -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 * it just report sending a packet to the target
* (without actual packet transfer). * (without actual packet transfer).
*/ */
dev_kfree_skb_any(skb);
ndev->stats.tx_packets++; ndev->stats.tx_packets++;
ndev->stats.tx_bytes += skb->len; ndev->stats.tx_bytes += skb->len;
dev_kfree_skb_any(skb);
} }
} }