openwrtv4/target/linux/generic/patches-3.18/650-pppoe_header_pad.patch
Felix Fietkau b0f48b6ebc kernel: add a patch to fix crashes on pppoe disconnect/reconnect
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 47026
2015-09-22 11:28:28 +00:00

20 lines
590 B
Diff

--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -868,7 +868,7 @@ static int pppoe_sendmsg(struct kiocb *i
goto end;
- skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32,
+ skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32 + NET_SKB_PAD,
0, GFP_KERNEL);
if (!skb) {
error = -ENOMEM;
@@ -876,7 +876,7 @@ static int pppoe_sendmsg(struct kiocb *i
}
/* Reserve space for headers. */
- skb_reserve(skb, dev->hard_header_len);
+ skb_reserve(skb, dev->hard_header_len + NET_SKB_PAD);
skb_reset_network_header(skb);
skb->dev = dev;