Date: Mon, 22 Jul 2013 12:03:41 +0530
From: Amit Shah <amit.shah@redhat.com>
To: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@hitachi.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
        stable@vger.kernel.org, virtualization@lists.linux-foundation.org,
        Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>,
        yrl.pp-manager.tt@hitachi.com,
        Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
        Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [PATCH V3 0/2] [BUGFIX] virtio/console: Fix two bugs of
 splice_write
Message-ID: <20130722063341.GA1806@amit-x200.redhat.com>
References: <20130722040043.7531.78801.stgit@yunodevel>
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On (Mon) 22 Jul 2013 [13:00:43], Yoshihiro YUNOMAE wrote:
> Hi,
> 
> This patch set fixes two bugs of splice_write in the virtio-console driver.
> 
> [BUG1] Although pipe->nrbufs is empty, the driver tries to do splice_write.
>        => This induces oops in sg_init_table().
> 
> [BUG2] No lock for competition of splice_write.
>        => This induces oops in splice_from_pipe_feed() by bug of any user
>           application.
> 
> These reports are written in each patch.
> 
> Changes in V2:
> - Fix a locking problem for error
> 
> Changes in V3:
> - Add Reviewed-by lines and stable@ line in sign-off area

Thank you!

Rusty, please pick this up.

		Amit
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