Re: [PATCH v8 1/4] fs/proc/kcore: avoid bounce buffer for ktext data

David Hildenbrand
2023-07-24T06:24:49Z

Hi,

>
> I met this too when I executed below command to trigger a kcore reading.
> I wanted to do a simple testing during system running and got this.
>
> makedumpfile --mem-usage /proc/kcore
>
> Later I tried your above objdump testing, it corrupted system too.
>

What do you mean with "corrupted system too" -- did it not only fail to
dump the system, but also actually harmed the system?

@Lorenzo do you plan on reproduce + fix, or should we consider reverting
that change?

--
Cheers,

David / dhildenb