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SubjectRe: [PATCH 1/1] aio: make sure the input "timeout" value is valid
On Wed, Dec 13, 2017 at 11:27:00AM -0500, Jeff Moyer wrote:
> Matthew Wilcox <> writes:
> > On Wed, Dec 13, 2017 at 09:42:52PM +0800, Zhen Lei wrote:
> >> Below information is reported by a lower kernel version, and I saw the
> >> problem still exist in current version.
> >
> > I think you're right, but what an awful interface we have here!
> > The user must not only fetch it, they must validate it separately?
> > And if they forget, then userspace is provoking undefined behaviour? Ugh.
> > Why not this:
> Why not go a step further and have get_timespec64 check for validity?
> I wonder what caller doesn't want that to happen...

There are some which don't today. I'm hoping Deepa takes this and goes
off and fixes them all up.

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