> -Original Message-
> From: Arnd Bergmann [mailto:a...@arndb.de]
> Sent: Tuesday, September 15, 2020 8:45 PM
> To: Zengtao (B)
> Cc: Thomas Gleixner; Vincenzo Frascino; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] time: Avoid undefined behaviour in
> timespe
On Tue, Sep 15, 2020 at 2:20 PM Zengtao (B) wrote:
> > > Fixes: bd40a175769d ("y2038: itimer: change implementation to
> > timespec64")
> >
> > This one caused the regression, but if we add the check here, it
> > may be best to also add it in prior kernels that may have the same
> > bug in other
> -Original Message-
> From: Arnd Bergmann [mailto:a...@arndb.de]
> Sent: Tuesday, September 01, 2020 8:47 PM
> To: Zengtao (B)
> Cc: Thomas Gleixner; Vincenzo Frascino; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] time: Avoid undefined behaviour in
> timespe
On Tue, Sep 1, 2020 at 11:32 AM Zeng Tao wrote:
>
> Since commit bd40a175769d ("y2038: itimer: change implementation to
> timespec64")
> we have break the time clamping which handles the potential overflow.
Indeed, good catch!
And I broke it despite the comment telling me about the problem.
>
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