From: Xin Long <lucien....@gmail.com>
Date: Sat, 17 Jun 2017 16:10:27 +0800

> Now before dumping a sock in sctp_diag, it only holds the sock while
> the ep may be already destroyed. It can cause a use-after-free panic
> when accessing ep->asocs.
> 
> This patch is to set sctp_sk(sk)->ep NULL in sctp_endpoint_destroy,
> and check if this ep is already destroyed before dumping this ep.
> 
> Suggested-by: Marcelo Ricardo Leitner <marcelo.leit...@gmail.com>
> Signed-off-by: Xin Long <lucien....@gmail.com>

Applied, thanks.

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