> ## 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@intel.com>

-Tony

在 2025/3/8 01:20, Luck, Tony 写道:
>> ## 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@intel.com>
> 
> -Tony

Thanks for your help.

Best Regards,
Shuai