Thanks for this Filipe, On Fri, Jul 03, 2015 at 11:36:49AM +0100, fdmanana@xxxxxxxxxx wrote: > From: Filipe Manana <fdmanana@xxxxxxxx> > > We were allocating memory with memdup_user() but we were never releasing > that memory. This affected pretty much every call to the ioctl, whether > it deduplicated extents or not. > > This issue was reported on IRC by Julian Taylor and on the mailing list > by Marcel Ritter, credit goes to them for finding the issue. > > Reported-by: Julian Taylor <jtaylor.debian@xxxxxxxxxxxxxx> > Reported-by: Marcel Ritter <ritter.marcel@xxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Filipe Manana <fdmanana@xxxxxxxx> Reviewed-by: Mark Fasheh <mfasheh@xxxxxxx> --Mark -- Mark Fasheh -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html