diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 200cd28679ab..5d07e0e9aadf 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -9057,14 +9057,17 @@ static int io_sqe_buffer_register(struct io_ring_ctx *ctx, struct iovec *iov,
 	pret = pin_user_pages(ubuf, nr_pages, FOLL_WRITE | FOLL_LONGTERM,
 			      pages, vmas);
 	if (pret == nr_pages) {
+		struct file *file = vmas[0]->vm_file;
+
 		/* don't support file backed memory */
 		for (i = 0; i < nr_pages; i++) {
-			struct vm_area_struct *vma = vmas[i];
-
-			if (vma_is_shmem(vma))
+			if (vmas[i]->vm_file != file) {
+				ret = -EINVAL;
+				break;
+			}
+			if (!file)
 				continue;
-			if (vma->vm_file &&
-			    !is_file_hugepages(vma->vm_file)) {
+			if (!vma_is_shmem(vmas[i]) && !is_file_hugepages(file)) {
 				ret = -EOPNOTSUPP;
 				break;
 			}