From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Ilya Maximets <i.maximets@samsung.com>,
Sergey Dyasly <s.dyasly@samsung.com>
Cc: dev@dpdk.org, Helin Zhang <helin.zhang@intel.com>,
Jingjing Wu <jingjing.wu@intel.com>, Zhe Tao <zhe.tao@intel.com>,
Heetae Ahn <heetae82.ahn@samsung.com>
Subject: Re: [dpdk-dev] [PATCH] net/i40e: fix out-of-bounds writes during vector Rx
Date: Fri, 22 Jul 2016 01:35:20 +0200 [thread overview]
Message-ID: <6304169.rKuDhdIg10@xps13> (raw)
In-Reply-To: <1469099018-31402-1-git-send-email-i.maximets@samsung.com>
2016-07-21 14:03, Ilya Maximets:
> From: Sergey Dyasly <s.dyasly@samsung.com>
>
> Rx loop inside _recv_raw_pkts_vec() ignores nb_pkts argument and always
> tries to receive RTE_I40E_VPMD_RX_BURST (32) packets. This is a violation
> of rte_eth_rx_burst() API and can lead to memory corruption (out-of-bounds
> writes to struct rte_mbuf **rx_pkts) if nb_pkts is less than 32.
>
> Fix this by actually using nb_pkts inside the loop.
>
> Fixes: 9ed94e5bb04e ("i40e: add vector Rx")
>
> Signed-off-by: Sergey Dyasly <s.dyasly@samsung.com>
> Acked-by: Ilya Maximets <i.maximets@samsung.com>
Applied, thanks
prev parent reply other threads:[~2016-07-21 23:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-21 11:03 Ilya Maximets
2016-07-21 19:09 ` bynes adam
2016-07-21 23:35 ` Thomas Monjalon [this message]
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