Re: [PATCH 4.14 09/89] net: Prevent invalid access to skb->prev in __qdisc_drop_all

[David Miller]

From: Christoph Paasch <cpaasch@xxxxxxxxx>
Date: Fri, 14 Dec 2018 07:52:26 -0800

> I don't think this patch needs to be backported. I haven't hit this panic on
> v4.14.x (although, I only have been using v4.14.79 for now - not yet the
> latest one). And the commits that seem to have introduced the issue haven't
> been backported either AFAICS. That being said, I don't think a backport
> would cause any side-effects.
> 
> Or have you seen reports of this panic in the stable branches?
> 
> (same for the other stable branches v4.4,... - cfr., the other mails
> regarding this patch here)

I was being ultra paranoid when I decided to submit this to 4.14 too,
and as Eric says it does not harm.