# Re: \[PATCH v5 2/3\] net: add kcov handle to skb extensions

- From: Jakub Kicinski \<kuba@kernel.org\>
- Date: 2020-12-01 16:44:55 
- List: netdev
- Page: https://ratatoskr.run/netdev/2020/12/6195669
- Thread: https://ratatoskr.run/netdev/2020/10/6156938/t.md

```text
On Tue, 1 Dec 2020 09:35:29 +0200 Ido Schimmel wrote:
> > Looking at the patch from Marco to move back to a field now I'm
> > wondering how you run into this, Ido :D
> > 
> > AFAIU the extension is only added if process as a KCOV handle.
> > 
> > Are you using KCOV?  
> 
> Hi Jakub,
> 
> Yes. We have an internal syzkaller instance where this is enabled. See
> "syz-executor.0" in the trace below.

I see, thanks! The world makes sense again :)
```