linux-kernel - Re: [PATCH] xen/pvcalls: fix null pointer dereference on map->sock

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Message-ID: <ad17f925-bf95-967d-45d8-3248aea6ddcd@suse.com>
Date:   Thu, 22 Feb 2018 20:19:51 +0100
From:   Juergen Gross <jgross@...e.com>
To:     Colin King <colin.king@...onical.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        xen-devel@...ts.xenproject.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xen/pvcalls: fix null pointer dereference on map->sock

On 22/02/18 18:22, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> Currently if map is null then a potential null pointer deference
> occurs when calling sock_release on map->sock.  I believe the
> actual intention was to call sock_release on sock instead. Fix
> this.
> 
> Fixes: 5db4d286a8ef ("xen/pvcalls: implement connect command")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Hmm, yes, kind of obvious. :-)

Reviewed-by: Juergen Gross <jgross@...e.com>


Juergen