From: Stefano Brivio <sbri...@redhat.com>
Date: Fri, 13 Jul 2018 13:21:07 +0200
> Commit 8b7008620b84 ("net: Don't copy pfmemalloc flag in
> __copy_skb_header()") introduced a different handling for the
> pfmemalloc flag in copy and clone paths.
>
> In __skb_clone(), now, the flag is set only if it was set in the
> original skb, but not cleared if it wasn't. This is wrong and
> might lead to socket buffers being flagged with pfmemalloc even
> if the skb data wasn't allocated from pfmemalloc reserves. Copy
> the flag instead of ORing it.
>
> Reported-by: Sabrina Dubroca <s...@queasysnail.net>
> Fixes: 8b7008620b84 ("net: Don't copy pfmemalloc flag in __copy_skb_header()")
> Signed-off-by: Stefano Brivio <sbri...@redhat.com>
Applied.
