linux-kernel - Re: [PATCH] Btrfs: avoid buffer overrun in btrfs

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Message-ID: <20120426182230.GA1890@localhost.localdomain>
Date:	Thu, 26 Apr 2012 14:22:30 -0400
From:	Josef Bacik <josef@...hat.com>
To:	Jim Meyering <jim@...ering.net>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Josef Bacik <josef@...hat.com>
Subject: Re: [PATCH] Btrfs: avoid buffer overrun in btrfs_printk

On Thu, Apr 26, 2012 at 06:35:12PM +0200, Jim Meyering wrote:
> 
> The buffer read-overrun would be triggered by a printk format
> starting with <N>, where N is a single digit.  NUL-terminate
> after strncpy.  Use memcpy, not strncpy, since we know the
> string we're copying fits in the destination buffer and
> contains no NUL byte.
> 
> Signed-off-by: Jim Meyering <meyering@...hat.com>

Reviewed-by: Josef Bacik <josef@...hat.com

I just noticed this but could you send to linux-btrfs@...r.kernel.org from now
on?  Thanks,

Josef
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