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Date:   Tue, 21 Mar 2017 17:22:08 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net] sch_dsmark: fix invalid skb_cow() usage

From: Eric Dumazet <>
Date: Fri, 17 Mar 2017 08:05:28 -0700

> From: Eric Dumazet <>
> skb_cow(skb, sizeof(ip header)) is not very helpful in this context.
> First we need to use pskb_may_pull() to make sure the ip header
> is in skb linear part, then use skb_try_make_writable() to
> address clones issues.
> Fixes: 4c30719f4f55 ("[PKT_SCHED] dsmark: handle cloned and non-linear skb's")
> Signed-off-by: Eric Dumazet <>

Applied and queued up for -stable, thanks.

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