On Fri, Nov 12, 2021 at 01:44:10PM +0100, Roberto Sassu wrote: > Check the hwpoison page flag only if the page is valid in > shmem_read_mapping_page_gfp(). The PageHWPoison() macro tries to access > the page flags and cannot work on an error pointer. > > Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx> This looks like a recent regression from the commit: commit b9d02f1bdd98f38e6e5ecacc9786a8f58f3f8b2c Author: Yang Shi <shy828301@xxxxxxxxx> Date: Fri Nov 5 13:41:10 2021 -0700 mm: shmem: don't truncate page if memory failure happens Can you please send this fix out as a standalone patch, to the right people and including the appropriate "Fixes" tag? - Eric
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