| Message ID | 155613369561.20131.1561988055061750379.stgit@john-XPS-13-9360 |
|---|---|
| State | Changes Requested |
| Delegated to: | BPF Maintainers |
| Headers | show |
| Series | sockmap/ktls fixes | expand |
diff --git a/net/core/skmsg.c b/net/core/skmsg.c index cc94d921476c..782ae9eb4dce 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -411,6 +411,7 @@ static int sk_psock_skb_ingress(struct sk_psock *psock, struct sk_buff *skb) sk_mem_charge(sk, skb->len); copied = skb->len; msg->sg.start = 0; + msg->sg.size = copied; msg->sg.end = num_sge == MAX_MSG_FRAGS ? 0 : num_sge; msg->skb = skb;
When converting a skb to msg->sg we forget to set the size after the latest ktls/tls code conversion. This patch can be reached by doing a redir into ingress path from BPF skb sock recv hook. Then trying to read the size fails. Fix this by setting the size. Fixes: 604326b41a6fb ("bpf, sockmap: convert to generic sk_msg interface") Signed-off-by: John Fastabend <john.fastabend@gmail.com> --- net/core/skmsg.c | 1 + 1 file changed, 1 insertion(+)