On Wed, 9 Mar 2022 18:14:49 +0900 Naoya Horiguchi <naoya.horiguchi@xxxxxxxxx> wrote: > There is a race condition between memory_failure_hugetlb() and hugetlb > free/demotion, which causes setting PageHWPoison flag on the wrong page > (which was a hugetlb when memory_failrue() was called, but was removed > or demoted when memory_failure_hugetlb() is called). This results in > killing wrong processes. So set PageHWPoison flag with holding page lock, What are the runtime effects of this? Do we think a -stable backport is needed? Are we missing a reported-by here? I'm too lazy to hunt down who it was.
