From: Jason Wang <jasowang@redhat.com>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org, edumazet@google.com, mst@redhat.com,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [V2 PATCH] net: sock: validate data_len before allocating skb in sock_alloc_send_pskb()
Date: Fri, 01 Jun 2012 11:09:43 +0800 [thread overview]
Message-ID: <4FC83277.2090301@redhat.com> (raw)
In-Reply-To: <20120531.182145.119572313886189417.davem@davemloft.net>
On 06/01/2012 06:21 AM, David Miller wrote:
> From: Jason Wang<jasowang@redhat.com>
> Date: Thu, 31 May 2012 15:18:10 +0800
>
>> We need to validate the number of pages consumed by data_len, otherwise frags
>> array could be overflowed by userspace. So this patch validate data_len and
>> return -EMSGSIZE when data_len may occupies more frags than MAX_SKB_FRAGS.
>>
>> Signed-off-by: Jason Wang<jasowang@redhat.com>
> Applied and queued up for -stable.
>
> Please do not add explicit stable CC:'s to networking patches, I queue
> appropriate changes up myself, and submit them only when I feel that
> the change has had sufficient exposure and testing in Linus's tree.
Sure, would pay attention next time.
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prev parent reply other threads:[~2012-06-01 3:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-31 7:18 [V2 PATCH] net: sock: validate data_len before allocating skb in sock_alloc_send_pskb() Jason Wang
2012-05-31 22:21 ` David Miller
2012-06-01 3:09 ` Jason Wang [this message]
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