25 Mar
2022
25 Mar
'22
2:09 a.m.
Hi,
Sorry for the delay, I had to focus on other issues.
On Mon, Feb 07, 2022 at 10:54:40AM +0800, Yunsheng Lin wrote:
When there are more than two steps for the freeing side, the only case I know about the skb cloning and expanding case, which is fixed by the below commit: 2cc3aeb5eccc (skbuff: Fix a potential race while recycling page_pool packets)
Maybe there are other case we missed?
Yes it's something similar, I found the problem in skb_try_coalesce(). I sent a possible fix, we can continue the discussion there:
https://lore.kernel.org/netdev/20220324172913.26293-1-jean-philippe@linaro.o...
Thanks, Jean