Re: [PATCH net-next 1/2] net: Make skb_ext_put_sp() idempotent

Paolo Abeni [off-list ref] wrote:

I'm a little late here, but it looks like sashiko cataloged as 
pre-existing a couple of issues that on top of this series can new 
lead to memory corruption:

https://netdev-ai.bots.linux.dev/sashiko/#/patchset/20260831-skb-ext-prep-work-v1-0-ecc2a8542fd9%40cloudflare.com

Could you please have a look?

Very convoluted report.  skb->active_extensions should govern the 'do I
put internal refcounts for ipsec/mctp', not offsets[].