From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] af_key: do not use GFP_KERNEL in atomic contexts
Date: Mon, 14 Aug 2017 22:19:31 -0700 (PDT)
Message-ID: <20170814.221931.431071335638269294.davem@davemloft.net>
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 14 Aug 2017 10:16:45 -0700

> From: Eric Dumazet <edumazet@google.com>
> 
> pfkey_broadcast() might be called from non process contexts,
> we can not use GFP_KERNEL in these cases [1].
> 
> This patch partially reverts commit ba51b6be38c1 ("net: Fix RCU splat in
> af_key"), only keeping the GFP_ATOMIC forcing under rcu_read_lock()
> section.
> 
> [1] : syzkaller reported :
 ...
> Fixes: ba51b6be38c1 ("net: Fix RCU splat in af_key")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Reported-by: Dmitry Vyukov <dvyukov@google.com>

Applied and queued up for -stable, thanks.