On Mon, 2018-02-05 at 14:41 -0800, Cong Wang wrote:
> rateest_hash is supposed to be protected by xt_rateest_mutex,
> and, as suggested by Eric, lookup and insert should be atomic,
> so we should acquire the xt_rateest_mutex once for both.
>
> So introduce a non-locking helper for internal use and keep the
> locking one for external.
>
> Reported-by: <syzbot+5cb189720978275e4c75@xxxxxxxxxxxxxxxxxxxxxxxxx>
> Fixes: 5859034d7eb8 ("[NETFILTER]: x_tables: add RATEEST target")
> Cc: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
> Cc: Eric Dumazet <eric.dumazet@xxxxxxxxx>
> Signed-off-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>
> ---
Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Thanks !
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