kni对fd异常判空。

2018-11-26 12:05:18 +08:00
parent 089499bdd5
commit 35c2559f8a
2 changed files with 9 additions and 3 deletions
--- a/platform/src/kni_acceptor.cpp
+++ b/platform/src/kni_acceptor.cpp
@@ -251,6 +251,12 @@ void __kni_event_cb(evutil_socket_t fd, short what, void * user)
 	__cmsghdr = CMSG_FIRSTHDR(&__msghdr);
 	__fds = (int *) (CMSG_DATA(__cmsghdr));

+	if (unlikely(__cmsghdr == NULL))
+	{
+		TFE_LOG_ERROR(__ctx->logger, "Failed at fetch CMSG_FIRSTHDR() from incoming fds, close KNI connection.");
+		goto __close_kni_connection;
+	}
+
 	if (unlikely(__fds == NULL))
 	{
 		TFE_LOG_ERROR(__ctx->logger, "Failed at fetch CMSG_DATA() from incoming fds, close KNI connection.");