1 files changed, 10 insertions, 1 deletions

diff --git a/mm/gup.c b/mm/gup.c
index 746070a1d8bf..3b75e631f369 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -52,7 +52,12 @@ static inline void sanity_check_pinned_pages(struct page **pages,
 	 */
 	for (; npages; npages--, pages++) {
 		struct page *page = *pages;
-		struct folio *folio = page_folio(page);
+		struct folio *folio;
+
+		if (!page)
+			continue;
+
+		folio = page_folio(page);
 
 		if (is_zero_page(page) ||
 		    !folio_test_anon(folio))
@@ -409,6 +414,10 @@ void unpin_user_pages(struct page **pages, unsigned long npages)
 
 	sanity_check_pinned_pages(pages, npages);
 	for (i = 0; i < npages; i += nr) {
+		if (!pages[i]) {
+			nr = 1;
+			continue;
+		}
 		folio = gup_folio_next(pages, npages, i, &nr);
 		gup_put_folio(folio, nr, FOLL_PIN);
 	}