(cc'ing Greg and Eric) On Sun, Mar 02, 2014 at 09:16:58PM +0100, Richard Cochran wrote: > I stumbled across this in fs/kernfs/dir.c:39. > > /* Reserve hash numbers 0, 1 and INT_MAX for magic directory entries */ > if (hash < 1) > hash += 2; > if (hash >= INT_MAX) > hash = INT_MAX - 1; > > Shouldn't that be (hash < 2), or is 1 not reserved?
Looks like the code is wrong and the condition should be hash < 2. Difficult to trigger but an actual bug. The fix should probably be propagated to sysfs through -stable. Can you write up a patch? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/