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-rw-r--r--mm/userfaultfd.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index ac6f036298cd..0780c2a57ff1 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -232,6 +232,11 @@ static int mcontinue_atomic_pte(struct mm_struct *dst_mm,
goto out;
}
+ if (PageHWPoison(page)) {
+ ret = -EIO;
+ goto out_release;
+ }
+
ret = mfill_atomic_install_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
page, false, wp_copy);
if (ret)