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From: Stephen Hemminger <stephen@networkplumber.org>
To: David Laight <David.Laight@ACULAB.COM>
Cc: 'Denis Kirjanov' <kirjanov@gmail.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Denis Kirjanov <dkirjanov@suse.de>
Subject: Re: [PATCH v3 iproute2] ifstat: convert sprintf to snprintf
Date: Sat, 17 Feb 2024 18:12:37 -0800	[thread overview]
Message-ID: <20240217181237.449d2f59@hermes.local> (raw)
In-Reply-To: <369729fa83564583acbb5c7903641867@AcuMS.aculab.com>

On Sat, 17 Feb 2024 17:51:01 +0000
David Laight <David.Laight@ACULAB.COM> wrote:

> From: Denis Kirjanov
> > Sent: 14 February 2024 12:57
> > 
> > Use snprintf to print only valid data  
> 
> ... to avoid potentially overflowed the temporary buffer.
> 
> Also probably worth using scnprintf() to avoid another change
> when snprintf() is removed (because the return value is dangerous).
> 

No.
Read the thread, return value is almost never used in iproute2
and where it is, the checks are in place.

  reply	other threads:[~2024-02-18  2:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-14 12:56 [PATCH v3 iproute2] ifstat: convert sprintf to snprintf Denis Kirjanov
2024-02-17 17:51 ` David Laight
2024-02-18  2:12   ` Stephen Hemminger [this message]
2024-02-18 17:50 ` patchwork-bot+netdevbpf

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