[PATCH v2 12/32] mm/vmalloc: vmalloc_to_page() use pte_offset_kernel()

[Linux regression tracking #update (Thorsten Leemhuis)]

On 11.07.23 19:57, Mark Brown wrote:
> On Tue, Jul 11, 2023 at 09:13:18AM -0700, Hugh Dickins wrote:
>> On Tue, 11 Jul 2023, Mark Brown wrote:
>>> On Mon, Jul 10, 2023 at 09:34:42PM -0700, Hugh Dickins wrote:
>>>
>>>> I suppose I should ask you to try reverting this 0d1c81edc61e alone
>>>> from 6.5-rc1: the consistency of your bisection implies that it will
>>>> "fix" the issues, and it is a commit which we could drop.  It makes
>>>> me a little nervous, applying userspace-pagetable validation to kernel
>>>> pagetables, so I don't want to drop it; and it would really be cargo-
>>>> culting to drop it without understanding.  But we could drop it.
>>>
>>> I did look at that, it doesn't revert cleanly by itself. ...
>>
>> Right, that ptep_get() wrapper on the next line came in on top.
>> The patch to revert just 0d1c81edc61e is this:
> 
> Still investigating but I'm pretty convinced this is nothing to do with
> your commit/series and is just common or garden memory corruption that
> just happens to get tickled by your changes.  Sorry for the noise.

In that case:

#regzbot introduced v6.4..v6.5-rc1
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
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