From: John Fastabend <john.fastabend@gmail.com>
To: Daniel Borkmann <daniel@iogearbox.net>,
Dan Carpenter <dan.carpenter@oracle.com>,
Alexei Starovoitov <ast@kernel.org>
Cc: netdev@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH net-next] bpf: fix oops on allocation failure
Date: Mon, 28 Aug 2017 15:58:31 +0000 [thread overview]
Message-ID: <59A43DA7.4070101@gmail.com> (raw)
In-Reply-To: <59A08CCD.2050603@iogearbox.net>
On 08/25/2017 01:47 PM, Daniel Borkmann wrote:
> On 08/25/2017 10:27 PM, Dan Carpenter wrote:
>> "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@oracle.com>
>
> Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Thanks.
Acked-by: John Fastabend <john.fastabend@gmail.com>
next prev parent reply other threads:[~2017-08-28 15:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-25 20:27 [PATCH net-next] bpf: fix oops on allocation failure Dan Carpenter
2017-08-25 20:47 ` Daniel Borkmann
2017-08-28 15:58 ` John Fastabend [this message]
2017-08-26 1:05 ` Alexei Starovoitov
2017-08-28 22:23 ` David Miller
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