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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 <willy@infradead.org> 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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