On 08/11/2020 06:50, Josef wrote: >> 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 That confirms the issue, and for efaults, as describes, I expect them to start falling out after the task-creator exits or do exec. Just to note that the patch only propagates errors and doesn't change the semantics. > > BTW forgot to mention that the NULL files dereference error only > occurs when OP_READ returns a -EFAULT -- Pavel Begunkov
