netdev - Re: [PATCH] net: Fix from address in memcpy_to_iter

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Date: Wed, 31 Jan 2024 19:50:24 +0000
From: David Howells <dhowells@...hat.com>
To: Michael Lass <bevan@...co.net>
Cc: dhowells@...hat.com, netdev@...r.kernel.org,
    regressions@...ts.linux.dev
Subject: Re: [PATCH] net: Fix from address in memcpy_to_iter_csum()

Michael Lass <bevan@...co.net> wrote:

> While inlining csum_and_memcpy() into memcpy_to_iter_csum(), the from
> address passed to csum_partial_copy_nocheck() was accidentally changed.
> This causes a regression in applications using UDP, as for example
> OpenAFS, causing loss of datagrams.
> 
> Fixes: dc32bff195b4 ("iov_iter, net: Fold in csum_and_memcpy()")
> Cc: David Howells <dhowells@...hat.com>
> Cc: stable@...r.kernel.org
> Cc: regressions@...ts.linux.dev
> Signed-off-by: Michael Lass <bevan@...co.net>

Acked-by: David Howells <dhowells@...hat.com>