diff --git a/syscall/fs_syscall.c b/syscall/fs_syscall.c
index eec9b5b4..d680cb22 100644
--- a/syscall/fs_syscall.c
+++ b/syscall/fs_syscall.c
@@ -641,6 +641,9 @@ OUT:
 #ifdef LOSCFG_KERNEL_DYNLOAD
 int SysExecve(const char *fileName, char *const *argv, char *const *envp)
 {
+    if (!LOS_IsUserAddress((vaddr_t)(UINTPTR)fileName)) {
+        return -EFAULT;
+    }
     return LOS_DoExecveFile(fileName, argv, envp);
 }
 #endif