netdev - Re: [PATCH net-next] bpf: fix oops on allocation failure

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Date:   Mon, 28 Aug 2017 15:23:52 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     dan.carpenter@...cle.com
Cc:     ast@...nel.org, john.fastabend@...il.com, daniel@...earbox.net,
        netdev@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net-next] bpf: fix oops on allocation failure

From: Dan Carpenter <dan.carpenter@...cle.com>
Date: Fri, 25 Aug 2017 23:27:14 +0300

> "err" is set to zero if bpf_map_area_alloc() fails so it means we return
> ERR_PTR(0) which is NULL.  The caller, find_and_alloc_map(), is not
> expecting NULL returns and will oops.
> 
> Fixes: 174a79ff9515 ("bpf: sockmap with sk redirect support")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Applied.