Re: A divide error bug in snd_pcm_write

[Takashi Iwai]

On Thu, 29 Sep 2022 16:52:10 +0200,
butt3rflyh4ck wrote:
> 
> This one fixes the problem.
> https://lore.kernel.org/all/20220926135558.26580-2-tiwai@xxxxxxx/

Thanks for confirmation!  The fix should be included in 6.1-rc1.


Takashi

> 
> Regards,
>  butt3rflyh4ck.
> 
> On Tue, Sep 27, 2022 at 2:01 AM Takashi Iwai <tiwai@xxxxxxx> wrote:
> >
> > On Mon, 26 Sep 2022 19:16:48 +0200,
> > butt3rflyh4ck wrote:
> > >
> > > The latest kernel upstream.
> > > Yes, but using mmap, you can map the runtime->status page, and then
> > > copy the data through memcpy to overwrite the status->state data, or
> > > even more, which is incredible.
> >
> > Ah, then that's exactly the case my latest patch set covers.
> > Either the first patch or the second patch alone should work.
> >   https://lore.kernel.org/r/20220926135558.26580-2-tiwai@xxxxxxx
> >   https://lore.kernel.org/r/20220926135558.26580-3-tiwai@xxxxxxx
> >
> > Could you verify either of them fixes the problem?
> >
> >
> > thanks,
> >
> > Takashi
> 
> 
> 
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