This one fixes the problem. https://lore.kernel.org/all/20220926135558.26580-2-tiwai@xxxxxxx/ 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 -- Active Defense Lab of Venustech
