diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 1a0b75cc4cef..8b166bf5ae77 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -944,7 +944,12 @@ vhost_scsi_copy_iov_to_sgl(struct vhost_scsi_cmd *cmd, struct iov_iter *iter,
 	}
 
 	for_each_sgtable_sg(sg_table, sg, i) {
-		page = alloc_page(GFP_KERNEL);
+		/*
+		 * Completion copies the full bounce buffer, including bytes the
+		 * target did not write. This is already the slow fallback for
+		 * misaligned I/O, so zeroing is acceptable here.
+		 */
+		page = alloc_page(GFP_KERNEL | __GFP_ZERO);
 		if (!page) {
 			ret = -ENOMEM;
 			goto err;