diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2019-09-21 09:01:45 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2019-09-25 09:12:20 +0300 |
| commit | 2b481835cf4e7384b80d7762074b32a45b792d99 (patch) | |
| tree | 0dfb4e5bc73c489c67b47b8d3cde7ceaa5fb6d58 | |
| parent | fddbfeece9c7882cc47754c7da460fe427e3e85b (diff) | |
| download | linux-2b481835cf4e7384b80d7762074b32a45b792d99.tar.bz2 | |
wil6210: use after free in wil_netif_rx_any()
The debug code dereferences "skb" to print "skb->len" so we have to
print the message before we free "skb".
Fixes: f99fe49ff372 ("wil6210: add wil_netif_rx() helper function")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index cb13652491ad..598c1fba9dac 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -1012,11 +1012,11 @@ void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) skb_orphan(skb); if (security && (wil->txrx_ops.rx_crypto_check(wil, skb) != 0)) { + wil_dbg_txrx(wil, "Rx drop %d bytes\n", skb->len); dev_kfree_skb(skb); ndev->stats.rx_dropped++; stats->rx_replay++; stats->rx_dropped++; - wil_dbg_txrx(wil, "Rx drop %d bytes\n", skb->len); return; } |