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| author | John Fastabend <john.fastabend@gmail.com> | 2020-11-17 01:28:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-24 15:29:19 +0300 |
| commit | a9f3670728a059aa437e2477c7d3ca54af186fbd (patch) | |
| tree | 65b2e4db829d919a0ac6889c857c0c8fb22a3d32 /net | |
| parent | e8b1de6975db11289446ae28f918a7a4a0d5292a (diff) | |
| download | linux-a9f3670728a059aa437e2477c7d3ca54af186fbd.tar.xz | |
bpf, sockmap: Use truesize with sk_rmem_schedule()
[ Upstream commit 70796fb751f1d34cc650e640572a174faf009cd4 ]
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
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/skmsg.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/skmsg.c b/net/core/skmsg.c index 4fad59ee3df0..ddb1b7d94c99 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -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; } |