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Date:   Mon, 16 Jan 2017 14:27:04 +0100
From:   Steffen Klassert <>
To:     Colin King <>
CC:     Herbert Xu <>,
        "David S . Miller" <>, <>,
Subject: Re: [PATCH] xfrm: state: fix potential null pointer dereference on

On Fri, Jan 13, 2017 at 02:07:03PM +0000, Colin King wrote:
> From: Colin Ian King <>
> afinfo is being null checked before a call afinfo->init_tempsel
> so afinfo may be potentially null. ifinfo may still be null in
> the case were it is not updated when family == tmpl->encap_family,
> hence we may hit a null pointer dereference in the call to
> afinfo->init_temprop.
> Fix this by adding a null ptr check before calling init_temprop.
> Signed-off-by: Colin Ian King <>

I've applied already a fix for this from Florian Westphal.

Thanks a lot anyway!

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