On 10.03.22 17:29, Kees Cook wrote:
> On Tue, Mar 08, 2022 at 10:44:57AM +0800, Murphy Zhou wrote:
>> Hi,
>>
>> Hit this shortly after build the next tree and reboot.
>>
>> [ 72.985994] ------------[ cut here ]------------
>> [ 72.986023] ------------[ cut here ]------------
>> [ 73.009468] kernel BUG at include/linux/swapops.h:258!
>> [ 73.033065] kernel BUG at include/linux/swapops.h:258!
>
> This is in here:
>
> static inline struct page *pfn_swap_entry_to_page(swp_entry_t entry)
> {
> struct page *p = pfn_to_page(swp_offset(entry));
>
> /*
> * Any use of migration entries may only occur while the
> * corresponding page is locked
> */
> BUG_ON(is_migration_entry(entry) && !PageLocked(p));
>
> return p;
> }
>
> Hugh, David, Andrew, might any of the recent mm/memory.c work caused
> problems in here? (Or is this already fixed?)
Maybe related to:
https://lore.kernel.org/all/8f419d19-c83d-bbcd-8936-2d64ced7464c@xxxxxxxxxx/T/#u
which should be fixed now.
--
Thanks,
David / dhildenb
