DPDK patches and discussions
 help / color / mirror / Atom feed
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.




      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]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=6270681.mvXUDI8C0e@thomas \
    --to=thomas@monjalon.net \
    --cc=dev@dpdk.org \
    --cc=honest.jiang@foxmail.com \
    --cc=mingjinx.ye@intel.com \
    --cc=qiming.yang@intel.com \
    --cc=yidingx.zhou@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).