정수 오버플로우 방지

2021-11-26 17:00:38 +00:00 · 2021-11-26 17:00:38 +00:00 · 759518f2f1
parent e77c69287d
commit 759518f2f1
1 changed files with 3 additions and 0 deletions
--- a/client/client_func.c
+++ b/client/client_func.c
@ -444,6 +444,9 @@ int fdfs_copy_tracker_group(TrackerServerGroup *pDestTrackerGroup, \
 	TrackerServerInfo *pDestServerEnd;

 	bytes = sizeof(TrackerServerInfo) * pSrcTrackerGroup->server_count;
+	if(bytes <0){
+		reutnr 0;
+	}
 	pDestTrackerGroup->servers = (TrackerServerInfo *)malloc(bytes);
 	if (pDestTrackerGroup->servers == NULL)
 	{