Re: [Patch bpf] udp: fix a memory leak in udp_read_sock()
From: Song Liu <song@kernel.org>
Date: 2021-05-17 16:23:23
Also in:
bpf
On Sun, May 16, 2021 at 8:33 PM Cong Wang [off-list ref] wrote:
From: Cong Wang <redacted>
sk_psock_verdict_recv() clones the skb and uses the clone
afterward, so udp_read_sock() should free the original skb after
done using it.
Fixes: d7f571188ecf ("udp: Implement ->read_sock() for sockmap")
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jakub Sitnicki <jakub@cloudflare.com>
Cc: Lorenz Bauer <redacted>
Signed-off-by: Cong Wang <redacted>Acked-by: Song Liu <song@kernel.org>