Subject: Re: [PATCH RFC net-next 1/6] sock: MSG_PEEK support for sk_error_queue

From: Eric Dumazet <[email-masked]>
Date: Thu, 18 Jan 2018 07:51:03 -0800

On Wed, 2018-01-17 at 04:19 -0800, Sowmini Varadhan wrote:
> Allow the application the ability to use MSG_PEEK with sk_error_queue
> so that it can peek and re-read message in cases where MSG_TRUNC
> may be encountered.
> 
> Signed-off-by: Sowmini Varadhan <[email-masked]>

Lets not add buggy feature that only fuzzers love to use to trigger
awful bugs.

No serious (performance sensitive) application use MSG_PEEK, because of
extra syscall overhead.