diff --git a/components/fs/vfs/los_fs.c b/components/fs/vfs/los_fs.c
index 5fb95380..13c5f94c 100644
--- a/components/fs/vfs/los_fs.c
+++ b/components/fs/vfs/los_fs.c
@@ -269,6 +269,10 @@ int LOS_Open(const char *path, int oflag, ...)
     }
 
     size_t pathLen = strlen(path) + 1;
+    if ((unsigned)pathLen > PATH_MAX) {
+        errno = EINVAL;
+        return FS_FAILURE;
+    }
     char *canonicalPath = (char *)malloc(pathLen);
     if (!canonicalPath) {
         errno = ENOMEM;
diff --git a/kernel/src/los_queue.c b/kernel/src/los_queue.c
index 686e5d14..785b2316 100644
--- a/kernel/src/los_queue.c
+++ b/kernel/src/los_queue.c
@@ -39,6 +39,7 @@
 #include "los_memory.h"
 #include "los_task.h"
 #include "los_sched.h"
+#include <stdint.h>
 
 
 #if (LOSCFG_BASE_IPC_QUEUE == 1)