Re: [PATCH] z3fold: fix retry mechanism in page reclaim

[Maciej S. Szmigiero]

On 08.09.2019 15:29, Vitaly Wool wrote:
> z3fold_page_reclaim()'s retry mechanism is broken: on a second
> iteration it will have zhdr from the first one so that zhdr
> is no longer in line with struct page. That leads to crashes when
> the system is stressed.
> 
> Fix that by moving zhdr assignment up.
> 
> While at it, protect against using already freed handles by using
> own local slots structure in z3fold_page_reclaim().
> 
> Reported-by: Markus Linnala <markus.linnala@xxxxxxxxx>
> Reported-by: Chris Murphy <bugzilla@xxxxxxxxxxxxxxxxx>
> Reported-by: Agustin Dall'Alba <agustin@xxxxxxxxxxxxxxx>
> Signed-off-by: Vitaly Wool <vitalywool@xxxxxxxxx>
> ---

Shouldn't this be CC'ed to stable@ ?

Maciej