[PATCH 061/270] timekeeping: Cast raw_interval to u64 to avoid shift overflow

Greg Kroah-Hartman gregkh at linuxfoundation.org
Fri Nov 30 01:51:10 UTC 2012


On Tue, Nov 27, 2012 at 03:08:27PM +0000, Ben Hutchings wrote:
> On Mon, 2012-11-26 at 14:55 -0200, Herton Ronaldo Krzesinski wrote:
> > 3.5.7u1 -stable review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > From: Dan Carpenter <dan.carpenter at oracle.com>
> > 
> > commit 5b3900cd409466c0070b234d941650685ad0c791 upstream.
> > 
> > We fixed a bunch of integer overflows in timekeeping code during the 3.6
> > cycle.  I did an audit based on that and found this potential overflow.
> > 
> > Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
> > Acked-by: John Stultz <johnstul at us.ibm.com>
> > Link: http://lkml.kernel.org/r/20121009071823.GA19159@elgon.mountain
> > Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
> > [ herton: adapt for 3.5, timekeeper instead of tk pointer ]
> > Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski at canonical.com>
> 
> This is also missing from 3.4; looks like Herton's version is
> applicable.

Thanks, now applied.

greg k-h




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