From cfd6a5a911f2d7c4ad5fe666bcda40d85fa3e59f Mon Sep 17 00:00:00 2001
From: tianp <tianpeng35@huawei.com>
Date: Thu, 12 Jun 2025 19:38:04 +0800
Subject: [PATCH] =?UTF-8?q?copy=E6=8E=A5=E5=8F=A3=E5=AD=98=E5=9C=A8?=
 =?UTF-8?q?=E5=86=85=E5=AD=98=E6=B3=84=E6=BC=8F=E9=A3=8E=E9=99=A9?=
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Signed-off-by: tianp <tianpeng35@huawei.com>
Change-Id: I1dedcc11d7923cc99a7a49cba64b3821c83eaec8
---
 interfaces/kits/cj/src/copy.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/interfaces/kits/cj/src/copy.cpp b/interfaces/kits/cj/src/copy.cpp
index 5f9647e63..7cded9586 100644
--- a/interfaces/kits/cj/src/copy.cpp
+++ b/interfaces/kits/cj/src/copy.cpp
@@ -494,6 +494,9 @@ void CopyImpl::ReadNotifyEvent(std::shared_ptr<FileInfos> infos)
     auto callback = GetRegisteredListener(infos);
     while (((len = read(infos->notifyFd, &buf, sizeof(buf))) < 0) && (errno == EINTR)) {}
     while (infos->run && index < len) {
+        if ((index + sizeof(struct inotify_event)) > len) {
+            break;
+        }
         event = reinterpret_cast<inotify_event *>(buf + index);
         auto [needContinue, errCode, needSend] = HandleProgress(event, infos, callback);
         if (!needContinue) {
-- 
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