From: Thomas Monjalon <thomas@monjalon.net>
To: Mingjin Ye <mingjinx.ye@intel.com>
Cc: dev@dpdk.org, qiming.yang@intel.com, yidingx.zhou@intel.com,
Cheng Jiang <honest.jiang@foxmail.com>
Subject: Re: [PATCH v2] app/dma-perf: fix lcores array out of bounds access
Date: Tue, 14 Nov 2023 15:37:49 +0100 [thread overview]
Message-ID: <6270681.mvXUDI8C0e@thomas> (raw)
In-Reply-To: <20231026095313.3053665-1-mingjinx.ye@intel.com>
26/10/2023 11:53, Mingjin Ye:
> The default size of the lcores array in the lcore dma map
> is MAX_WORKER_NB. However, when parsing configuration
> parameters, MAX_LCORE_NB is used as a constraint.
> Since MAX_LCORE_NB is greater than MAX_WORKER_NB, this
> causes array access to go out of bounds when the value
> of the `lcore_dma/lcore` configuration item in the
> parameter file is greater than MAX_WORKER_NB.
>
> This patch fixes the issue by removing the MAX_LCORE_NB
> macro and using MAX_WORKER_NB consistently.
>
> Fixes: 623dc9364dc6 ("app/dma-perf: introduce DMA performance test")
>
> Signed-off-by: Mingjin Ye <mingjinx.ye@intel.com>
Applied, thanks.
prev parent reply other threads:[~2023-11-14 14:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-20 10:09 [PATCH] app/dma-perf: fix dma mapping access overruns Mingjin Ye
2023-10-26 9:53 ` [PATCH v2] app/dma-perf: fix lcores array out of bounds access Mingjin Ye
2023-10-27 14:27 ` [EXT] " Gowrishankar Muthukrishnan
2023-11-14 14:37 ` Thomas Monjalon [this message]
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