# Re: \[PATCH net v1 3/3\] net: tcp: block standard payload injection into devmem skbs

- From: Pavel Begunkov \<asml.silence@gmail.com\>
- Date: 2026-08-02 12:26:07 
- List: netdev
- Page: https://ratatoskr.run/netdev/2026/08/17354296
- Thread: https://ratatoskr.run/netdev/2026/08/17352681/t.md

```text
On 8/1/26 13:52, Mina Almasry wrote:
> Protect tcp_sendmsg_locked() from mistakenly appending non-zerocopy
> page fragments to unreadable devmem skbs. Create a new segment instead.

Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>

-- 
Pavel Begunkov

```