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From: Thomas Monjalon <thomas@monjalon.net>
To: "Zeng, ZhichaoX" <zhichaox.zeng@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, stable@dpdk.org,
 "Jiale, SongX" <songx.jiale@intel.com>
Subject: Re: [PATCH] telemetry: fix potential connection issue
Date: Sun, 07 Jul 2024 15:11:48 +0200
Message-ID: <5680259.hf2xvdu6PP@thomas>
In-Reply-To: <BN0PR11MB57436B6B12B1E6271B88D0B8E7D62@BN0PR11MB5743.namprd11.prod.outlook.com>
References: <20240621024037.3412372-1-zhichaox.zeng@intel.com>
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26/06/2024 04:13, Jiale, SongX:
> From: Zhichao Zeng <zhichaox.zeng@intel.com>
> > 
> > For calling memcpy when the source and destination addresses are the same,
> > there is a small probability that there will be a copy error issue in some
> > environments, resulting in a failure to connect.
> > 
> > This patch uses memmove instead of memcpy to avoid this issue.
> > 
> > Fixes: b80fe1805eee ("telemetry: introduce backward compatibility")
> > Cc: stable@dpdk.org
> > 
> > Signed-off-by: Zhichao Zeng <zhichaox.zeng@intel.com>
> > ---
> Tested-by: Song Jiale <songx.jiale@intel.com>

It would be cleaner to do a proper parsing before doing any copy (strlcpy, memcpy/memmove).

dirty code dirty fixed for now
Applied