Displaying 6 results from an estimated 6 matches for "skb_set_transport_head".
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skb_set_transport_header
2020 Jun 05
0
[PATCH AUTOSEL 5.6 06/17] net: check untrusted gso_size at kernel entry
...@@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
return -EINVAL;
}
- if (keys.control.thoff + thlen > skb_headlen(skb) ||
+ p_off = keys.control.thoff + thlen;
+ if (p_off > skb_headlen(skb) ||
keys.basic.ip_proto != ip_proto)
return -EINVAL;
skb_set_transport_header(skb, keys.control.thoff);
+ } else if (gso_type) {
+ p_off = thlen;
+ if (p_off > skb_headlen(skb))
+ return -EINVAL;
}
}
if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) {
u16 gso_size = __virtio16_to_cpu(little_endian, hdr->gso_size);
+ if (skb->len - p_off <=...
2020 Jun 05
0
[PATCH AUTOSEL 5.4 05/14] net: check untrusted gso_size at kernel entry
...@@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
return -EINVAL;
}
- if (keys.control.thoff + thlen > skb_headlen(skb) ||
+ p_off = keys.control.thoff + thlen;
+ if (p_off > skb_headlen(skb) ||
keys.basic.ip_proto != ip_proto)
return -EINVAL;
skb_set_transport_header(skb, keys.control.thoff);
+ } else if (gso_type) {
+ p_off = thlen;
+ if (p_off > skb_headlen(skb))
+ return -EINVAL;
}
}
if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) {
u16 gso_size = __virtio16_to_cpu(little_endian, hdr->gso_size);
+ if (skb->len - p_off <=...
2020 Jun 05
0
[PATCH AUTOSEL 4.19 4/9] net: check untrusted gso_size at kernel entry
...@@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
return -EINVAL;
}
- if (keys.control.thoff + thlen > skb_headlen(skb) ||
+ p_off = keys.control.thoff + thlen;
+ if (p_off > skb_headlen(skb) ||
keys.basic.ip_proto != ip_proto)
return -EINVAL;
skb_set_transport_header(skb, keys.control.thoff);
+ } else if (gso_type) {
+ p_off = thlen;
+ if (p_off > skb_headlen(skb))
+ return -EINVAL;
}
}
if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) {
u16 gso_size = __virtio16_to_cpu(little_endian, hdr->gso_size);
+ if (skb->len - p_off <=...
2020 Jun 05
0
[PATCH AUTOSEL 4.14 3/8] net: check untrusted gso_size at kernel entry
...@@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
return -EINVAL;
}
- if (keys.control.thoff + thlen > skb_headlen(skb) ||
+ p_off = keys.control.thoff + thlen;
+ if (p_off > skb_headlen(skb) ||
keys.basic.ip_proto != ip_proto)
return -EINVAL;
skb_set_transport_header(skb, keys.control.thoff);
+ } else if (gso_type) {
+ p_off = thlen;
+ if (p_off > skb_headlen(skb))
+ return -EINVAL;
}
}
if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) {
u16 gso_size = __virtio16_to_cpu(little_endian, hdr->gso_size);
+ if (skb->len - p_off <=...
2008 Jan 15
2
[PATCH 1/3] skb_partial_csum_set
Implement skb_partial_csum_set, for setting partial csums on untrusted packets.
Use it in virtio_net (replacing buggy version there), it's also going
to be used by TAP for partial csum support.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
drivers/net/virtio_net.c | 11 +----------
include/linux/skbuff.h | 1 +
net/core/skbuff.c | 29
2008 Jan 15
2
[PATCH 1/3] skb_partial_csum_set
Implement skb_partial_csum_set, for setting partial csums on untrusted packets.
Use it in virtio_net (replacing buggy version there), it's also going
to be used by TAP for partial csum support.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
drivers/net/virtio_net.c | 11 +----------
include/linux/skbuff.h | 1 +
net/core/skbuff.c | 29