On Mon, 2023-11-13 at 17:20 -0800, Mike Kravetz wrote: > > Mask off low bit flags before checking for NULL pointer. In > addition, > the reserve map only 'belongs' to the OWNER (parent in parent/child > relationships) so also check for the OWNER flag. > > Reported-by: syzbot+6ada951e7c0f7bc8a71e@xxxxxxxxxxxxxxxxxxxxxxxxx > Closes: > https://lore.kernel.org/linux-mm/00000000000078d1e00608d7878b@xxxxxxxxxx/ > Fixes: bf4916922c60 ("hugetlbfs: extend hugetlb_vma_lock to private > VMAs") > Signed-off-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> > Reviewed-by: Rik van Riel <riel@xxxxxxxxxxx> -- All Rights Reversed.
