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Currently, memdup_user() is utilized at two positions to copy userspace arrays. This is done without overflow checks. Use the new wrapper memdup_array_user() to copy the arrays more safely. Suggested-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Philipp Stanner <pstanner@redhat.com> Link: https://lore.kernel.org/r/20231102191308.52046-2-pstanner@redhat.com Acked-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>