RE: [PATCH v4 0/3] mm/hwpoison: Fix regressions in memory failure handling

[Luck, Tony]

> ## 1. What am I trying to do:
>
> This patch resolves two critical regressions related to memory failure
> handling that have appeared in the upstream kernel since version 5.17, as
> compared to 5.10 LTS.
>
>     - copyin case: poison found in user page while kernel copying from user space
>     - instr case: poison found while instruction fetching in user space

Tested the instruction, copyin, and futex cases. They all pass now.

Thanks!

Tested-by: Tony Luck <tony.luck@xxxxxxxxx>

-Tony