Hello,
The erratic mapping (as in page_mapped()) of hugetlbfs pages beyond
the end of the i_size, was found while testing some userfaultfd
backport. It can trigger a bugcheck as side effect.
Andrea Arcangeli (1):
userfaultfd: hugetlbfs: prevent UFFDIO_COPY to fill beyond the end of
i_size
mm/hugetlb.c | 32 ++++++++++++++++++++++++++++++--
1 file changed, 30 insertions(+), 2 deletions(-)
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