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From: Marcin Slusarz <marcin.slusarz@gmail.com>
To: Dan Carpenter <error27@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	eteo@redhat.com, netdev@vger.kernel.org
Subject: Re: Dereferencing freed memory bugs
Date: Sat, 28 Mar 2009 19:18:46 +0100	[thread overview]
Message-ID: <49CE6A06.7080008@gmail.com> (raw)
In-Reply-To: <a63d67fe0903240529v6a0e6b51pf67f8ad6dd6842c4@mail.gmail.com>

Dan Carpenter pisze:
> I added a check to smatch (http://repo.or.cz/w/smatch.git/) to check
> for when we dereference
> freed memory.
> 
> (...)
> net/netfilter/nfnetlink_log.c +341 __nfulnl_flush(5) 'inst'
> (...)

I think it's a false positive. In __nfulnl_flush we expect that caller
already holds a reference to inst and it looks like all callers do it.


Marcin

  parent reply	other threads:[~2009-03-28 18:19 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-24 12:29 Dereferencing freed memory bugs Dan Carpenter
2009-03-28 17:17 ` Marcin Slusarz
2009-03-28 17:31 ` Marcin Slusarz
2009-03-28 17:44 ` [PATCH] mtd: fix use after free in register_mtd_blktrans Marcin Slusarz
2009-03-28 17:53 ` Dereferencing freed memory bugs Marcin Slusarz
2009-03-28 18:18 ` Marcin Slusarz [this message]
2009-03-28 18:50 ` Marcin Slusarz
2009-03-28 19:12 ` Marcin Slusarz

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