diff --git a/executer/kernel/mcctrl/syscall.c b/executer/kernel/mcctrl/syscall.c
index f06ec042..b1e85703 100644
--- a/executer/kernel/mcctrl/syscall.c
+++ b/executer/kernel/mcctrl/syscall.c
@@ -1214,7 +1214,7 @@ static int pager_get_path(struct file *file, char *path) {
 
 	fullpath = d_path(&file->f_path, pathbuf, PATH_MAX);
 	if (!IS_ERR(fullpath)) {
-		memcpy(path, fullpath, strlen(fullpath));
+		memcpy(path, fullpath, strlen(fullpath) + 1);
 	}
 	else {
 		path[0] = 0;
diff --git a/kernel/devobj.c b/kernel/devobj.c
index 1d05275c..3b3267e3 100644
--- a/kernel/devobj.c
+++ b/kernel/devobj.c
@@ -122,6 +122,8 @@ int devobj_create(int fd, size_t len, off_t off, struct memobj **objp, int *maxp
 	ihk_mc_syscall_arg4(&ctx) = virt_to_phys(&result);
 	ihk_mc_syscall_arg5(&ctx) = prot | populate_flags;
 
+	memset(&result, 0, sizeof(result));
+
 	error = syscall_generic_forwarding(__NR_mmap, &ctx);
 	if (error) {
 		kprintf("%s: error: fd: %d, len: %lu, off: %lu map failed.\n",