diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 0206c8c20784..b2cccd4083b8 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1267,7 +1267,7 @@ static int f2fs_write_data_page(struct page *page,
 	loff_t i_size = i_size_read(inode);
 	const pgoff_t end_index = ((unsigned long long) i_size)
 							>> PAGE_SHIFT;
-	loff_t psize = (page->index + 1) << PAGE_SHIFT;
+	loff_t psize = (loff_t)(page->index + 1) << PAGE_SHIFT;
 	unsigned offset = 0;
 	bool need_balance_fs = false;
 	int err = 0;
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index f46ac1651bd5..e3c438c8b8ce 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -980,7 +980,7 @@ static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
 				}
 				dn.ofs_in_node++;
 				i++;
-				new_size = (dst + i) << PAGE_SHIFT;
+				new_size = (loff_t)(dst + i) << PAGE_SHIFT;
 				if (dst_inode->i_size < new_size)
 					f2fs_i_size_write(dst_inode, new_size);
 			} while (--ilen && (do_replace[i] || blkaddr[i] == NULL_ADDR));