Re: [PATCH 3/5] riscv: mm: Fix NULL pointer dereference in __set_memory

[David Hildenbrand (Arm)]

On 4/10/26 08:23, Michael Neuling wrote:
>>>               area = find_vm_area((void *)start);
>>> +             if (!area) {
>>> +                     ret = -EINVAL;
>>> +                     goto unlock;
>>> +             }
>>>               page_start = (start - (unsigned long)area->addr) >> PAGE_SHIFT;
>>>
>>>               for (i = page_start; i < page_start + numpages; ++i) {
>>
>> Which caller would end up calling __set_memory() in such a way?
> 
> It wouldn't. You're right on this and the other two. Sorry for the noise.

Slopped-by: Cursor:claude-4.6-opus-high-thinking

:)

Patch #1 seems reasonable (although non-critical); not sure about patch
#2, leaving both to Risc-V people!

-- 
Cheers,

David