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bpf, sockmap: Use truesize with sk_rmem_schedule()

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We use skb->size with sk_rmem_scheduled() which is not correct. Instead
use truesize to align with socket and tcp stack usage of sk_rmem_schedule.

Suggested-by: Daniel Borkman <daniel@iogearbox.net>
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/160556570616.73229.17003722112077507863.stgit@john-XPS-13-9370
This commit is contained in:
John Fastabend 2020-11-16 14:28:26 -08:00 committed by Daniel Borkmann
parent 36cd0e696a
commit 70796fb751
1 changed files with 1 additions and 1 deletions
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2
net/core/skmsg.c
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@ -411,7 +411,7 @@ static int sk_psock_skb_ingress(struct sk_psock *psock, struct sk_buff *skb)
msg = kzalloc(sizeof(*msg), __GFP_NOWARN | GFP_ATOMIC);
if (unlikely(!msg))
return -EAGAIN;
if (!sk_rmem_schedule(sk, skb, skb->len)) {
if (!sk_rmem_schedule(sk, skb, skb->truesize)) {
kfree(msg);
return -EAGAIN;
}