netdev - Re: [PATCH net] netlink: Use netlink header as base to calculate bad attribute offset

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Date:   Sat, 29 Feb 2020 21:22:19 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     pablo@...filter.org
Cc:     netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
        johannes.berg@...el.com
Subject: Re: [PATCH net] netlink: Use netlink header as base to calculate
 bad attribute offset

From: Pablo Neira Ayuso <pablo@...filter.org>
Date: Wed, 26 Feb 2020 19:47:34 +0100

> Userspace might send a batch that is composed of several netlink
> messages. The netlink_ack() function must use the pointer to the netlink
> header as base to calculate the bad attribute offset.
> 
> Fixes: 2d4bc93368f5 ("netlink: extended ACK reporting")
> Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>

Applied and queued up for -stable, thanks Pablo.