From: Mateusz Guzik <mguzik@redhat.com>
To: Leon Yu <chianglungyu@gmail.com>
Cc: Benjamin LaHaise <bcrl@kvack.org>,
Alexander Viro <viro@zeniv.linux.org.uk>,
linux-aio@kvack.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] aio: fix potential leak in aio_run_iocb().
Date: Thu, 1 May 2014 08:24:06 +0200 [thread overview]
Message-ID: <20140501062406.GB1806@mguzik.redhat.com> (raw)
In-Reply-To: <1398915088-8472-1-git-send-email-chianglungyu@gmail.com>
On Thu, May 01, 2014 at 03:31:28AM +0000, Leon Yu wrote:
> iovec should be reclaimed whenever caller of rw_copy_check_uvector() returns,
> but it doesn't hold when failure happens right after aio_setup_vectored_rw().
>
There is a proposal (wich a patch) to modify semantics of rw_copy_check_uvector
so that it frees stuff on error, taking care of this case as well:
https://lkml.org/lkml/2014/4/25/778
--
Mateusz Guzik
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next prev parent reply other threads:[~2014-05-01 6:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-01 3:31 [PATCH] aio: fix potential leak in aio_run_iocb() Leon Yu
2014-05-01 6:24 ` Mateusz Guzik [this message]
2014-05-01 12:39 ` Benjamin LaHaise
2014-05-02 8:46 ` Lukáš Czerner
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