From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] net: fix crash in build_skb()
Date: Sat, 25 Apr 2015 17:32:10 -0400 (EDT)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 24 Apr 2015 16:05:01 -0700

> From: Eric Dumazet <edumazet@google.com>
> 
> When I added pfmemalloc support in build_skb(), I forgot netlink
> was using build_skb() with a vmalloc() area.
> 
> In this patch I introduce __build_skb() for netlink use,
> and build_skb() is a wrapper handling both skb->head_frag and
> skb->pfmemalloc
> 
> This means netlink no longer has to hack skb->head_frag
 ...
> Fixes: 79930f5892e ("net: do not deplete pfmemalloc reserve")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Reported-by: Sasha Levin <sasha.levin@oracle.com>

Applied, and since this fixes a patch I have queued up for -stable,
queued up for -stable as well.