On Wed, Mar 16 2016, J. Bruce Fields wrote: > On Tue, Mar 15, 2016 at 01:43:37PM +0100, William Dauchy wrote: >> Hello, >> >> On Mon, Mar 14, 2016 at 9:38 PM, J. Bruce Fields <bfields@xxxxxxxxxxxx> wrote: >> > Sorry for the delay. I agree, it seems simple enough; applying for >> > 4.6.... >> >> It it something we can consider for stable? > > It's an unlikely-looking race, I haven't seen it reported in the wild, > and the consequences are just a reference-count leak (though admittedly > those can sometimes cause crashes later--I haven't checked for that > here). > > So I wasn't planning too, but any additional information's welcomed. I agree that it isn't needed for stable - the race is tiny and the consequence of losing the race is that entries get stuck in the cache and possible an exported filesystem cannot be unmounted. I don't think that is a problem severe enough to meet the rules for -stable - though I know the rules aren't always closely followed. I wouldn't exactly object to it going to stable if someone wanted to push, but I would rather it didn't appear in -stable before appearing in a released (not -rc) kernel from Linus. NeilBrown
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