diff --git a/kernel/sys.c b/kernel/sys.c
index 54f20fd..19a2c71 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1869,7 +1869,7 @@
 	if (opt == PR_SET_MM_EXE_FILE)
 		return prctl_set_mm_exe_file(mm, (unsigned int)addr);
 
-	if (addr >= TASK_SIZE)
+	if (addr >= TASK_SIZE || addr < mmap_min_addr)
 		return -EINVAL;
 
 	error = -EINVAL;