netdev - Re: [PATCH] net/xen-netback: Break build if netback slots > max

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Message-ID: <646b31b4-2fd6-4bff-ae6b-1b35626533c0@xen.org>
Date: Wed, 27 Sep 2023 10:42:56 +0100
From: Paul Durrant <xadimgnik@...il.com>
To: David Kahurani <k.kahurani@...il.com>, xen-devel@...ts.xenproject.org
Cc: netdev@...r.kernel.org, wei.liu@...nel.org
Subject: Re: [PATCH] net/xen-netback: Break build if netback slots > max_skbs
 + 1

On 27/09/2023 09:29, David Kahurani wrote:
> If XEN_NETBK_LEGACY_SLOTS_MAX and MAX_SKB_FRAGS have a difference of
> more than 1, with MAX_SKB_FRAGS being the lesser value, it opens up a
> path for null-dereference. It was also noted that some distributions
> were modifying upstream behaviour in that direction which necessitates
> this patch.
> 
> Signed-off-by: David Kahurani <k.kahurani@...il.com>

Acked-by: Paul Durrant <paul@....org>