Jianguo Wu e6182c63d8 udp: using datalen to cap max gso segments
commit 158390e45612ef0fde160af0826f1740c36daf21 upstream.

The max number of UDP gso segments is intended to cap to UDP_MAX_SEGMENTS,
this is checked in udp_send_skb():

    if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) {
        kfree_skb(skb);
        return -EINVAL;
    }

skb->len contains network and transport header len here, we should use
only data len instead.

Fixes: bec1f6f69736 ("udp: generate gso with UDP_SEGMENT")
Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/900742e5-81fb-30dc-6e0b-375c6cdd7982@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-14 10:57:09 +01:00
..
2021-06-30 15:51:09 -07:00
2021-12-08 09:04:38 +01:00
2021-06-07 14:08:30 -07:00
2021-08-31 12:03:33 +01:00
2021-05-17 15:29:35 -07:00
2021-07-27 20:11:44 +01:00
2021-06-30 15:51:09 -07:00
2021-07-27 20:11:44 +01:00
2021-07-07 20:52:25 -07:00
2021-05-17 15:29:35 -07:00
2020-12-16 11:01:04 -08:00
2021-03-28 17:31:13 -07:00
2020-12-14 16:40:27 -08:00
2021-05-17 15:29:35 -07:00
2021-08-31 12:03:33 +01:00
2021-05-17 15:29:35 -07:00