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Date:   Sun, 26 Feb 2017 22:58:10 -0500 (EST)
From:   David Miller <>
Subject: Re: [PATCH net] l2tp: avoid use-after-free caused by

From: Paul Hüber <>
Date: Sun, 26 Feb 2017 17:58:19 +0100

> l2tp_ip_backlog_recv may not return -1 if the packet gets dropped.
> The return value is passed up to ip_local_deliver_finish, which treats
> negative values as an IP protocol number for resubmission.
> Signed-off-by: Paul Hüber <>

Applied and queued up for -stable, thanks.

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