Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-25 05:32:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

udp: fix receiving fraglist GSO packets

Browse Source 
When assembling fraglist GSO packets, udp4_gro_complete does not set
skb->csum_start, which makes the extra validation in __udp_gso_segment fail.

Fixes: 89add40066 ("net: drop bad gso csum_start and offset in virtio_net_hdr")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240819150621.59833-1-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Felix Fietkau 2024-08-19 17:06:21 +02:00 committed by Jakub Kicinski
parent 0d76fc7e27
commit b128ed5ab2
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/ipv4/udp_offload.c
View File

@ -279,7 +279,8 @@ struct sk_buff *__udp_gso_segment(struct sk_buff *gso_skb,
return ERR_PTR(-EINVAL);
if (unlikely(skb_checksum_start(gso_skb) !=
skb_transport_header(gso_skb)))
skb_transport_header(gso_skb) &&
!(skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST)))
return ERR_PTR(-EINVAL);
/* We don't know if egress device can segment and checksum the packet