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From: Mahmoud Matook <mahmoudmatook.mm@gmail.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: Sunil Kumar Kori <skori@marvell.com>,
	 Rakesh Kudurumalla <rkudurumalla@marvell.com>,
	Jerin Jacob <jerinj@marvell.com>,
	Nithin Dabilpuram <ndabilpuram@marvell.com>,
	dev@dpdk.org
Subject: Re: [PATCH] app/graph: fix destination buffer too small
Date: Thu, 27 Jun 2024 00:22:58 +0400	[thread overview]
Message-ID: <j7xn7frfi4pmyrlgfhkbjivhjg6qohmsycxmd6fn5t5bg54lb7@zvg3wncm2cp3> (raw)
In-Reply-To: <20240623132607.707a82e2@hermes.local>

On 06/23, Stephen Hemminger wrote:

> On Mon, 24 Jun 2024 00:09:21 +0400
> Mahmoud Maatuq <mahmoudmatook.mm@gmail.com> wrote:
> 
> > as sizeof(config.rx.mempool_name) is < sizeof(res->mempool), it's safer
> > to copy min size of them to avoide out of bound memory write.
> > 
> > Coverity issue: 415430
> > Fixes: 3850cb06ab9c ("app/graph: add ethdev commands")
> > Cc: skori@marvell.com
> > 
> > Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm@gmail.com>
> 
> NAK, this could create an invalid not null terminated string.
> 
> Since mempool name is a null terminated string this should have always
> used strlcpy instead of memcpy.

in patch v2 of this it's changed to strlcpy but we got truncation
warning as source buffer size is 128 and the dest buffer size is 26 
can we incrase the size of the source buffer ? 


  reply	other threads:[~2024-06-26 20:23 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-23 20:09 Mahmoud Maatuq
2024-06-23 20:26 ` Stephen Hemminger
2024-06-26 20:22   ` Mahmoud Matook [this message]
2024-06-24 20:01 ` [PATCH v2] " Mahmoud Maatuq
2024-06-25  4:41   ` [EXTERNAL] " Kiran Kumar Kokkilagadda
2024-06-26 20:18     ` Mahmoud Matook
2024-06-27  0:43       ` Kiran Kumar Kokkilagadda
2024-07-04 15:17         ` David Marchand
2024-07-06 14:08           ` Mahmoud Matook

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