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From: Jiri Slaby <jirislaby@gmail.com>
To: Joe Perches <joe@perches.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>,
	linux-kernel@vger.kernel.org, smatch@vger.kernel.org
Subject: Re: Smatch v1.56 released
Date: Sun, 04 Mar 2012 20:08:58 +0100	[thread overview]
Message-ID: <4F53BDCA.3030003@gmail.com> (raw)
In-Reply-To: <1330886330.7070.22.camel@joe2Laptop>

On 03/04/2012 07:38 PM, Joe Perches wrote:
> On Sun, 2012-03-04 at 21:04 +0300, Dan Carpenter wrote:
>> Smatch still produces a lot of false positives.  Also as bugs get
>> fixed in the kernel, the false positive to real bug ratio gets
>> worse and worse.  But it does find real bugs as well.
> 
> Perhaps a database of known false positives and a mechanism
> to use it to see only new instances could be created.

Yes, this is actually what xgcc has been doing. See [1] to see how to do
it more-or-less reliably.

[1] A system and language for building system-specific, static analyses,
Hallem, S. and Chelf, B. and Xie, Y. and Engler, D.

regards,
-- 
js

  reply	other threads:[~2012-03-04 19:09 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-04 18:04 Smatch v1.56 released Dan Carpenter
2012-03-04 18:38 ` Joe Perches
2012-03-04 19:08   ` Jiri Slaby [this message]
2012-03-05  7:22   ` Dan Carpenter
2012-03-07 16:47     ` Artem Bityutskiy

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