> Josef, could you try this one? the null files dereference error no longer occurs, but after a certain point in time the OP_READ operation always returns -EFAULT BTW forgot to mention that the NULL files dereference error only occurs when OP_READ returns a -EFAULT On Sun, 8 Nov 2020 at 03:09, Josef <josef.grieb@xxxxxxxxx> wrote: > > > Josef, could you try this one? > > it's weird I couldn't apply this patch..did you pull > for-5.11/io_uring? I'm gonna try manually > > --- > Josef Grieb