From ea9b78f1c3be4173e240a4a1727baacd8eae052a Mon Sep 17 00:00:00 2001
From: Masaori Koshiba <masaori@apache.org>
Date: Wed, 4 Aug 2021 12:09:48 +0900
Subject: [PATCH] Suppress use-after-free report on
 UnixNetVConnection::startEvent by clang-analyzer

---
 iocore/net/UnixNetVConnection.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/iocore/net/UnixNetVConnection.cc b/iocore/net/UnixNetVConnection.cc
index f0206a92598..31067f88170 100644
--- a/iocore/net/UnixNetVConnection.cc
+++ b/iocore/net/UnixNetVConnection.cc
@@ -993,6 +993,8 @@ UnixNetVConnection::netActivity(EThread *lthread)
   net_activity(this, lthread);
 }
 
+// Avoid false positive of clang-analyzer (llvm-11 and 12). Details in #8198
+#ifndef __clang_analyzer__
 int
 UnixNetVConnection::startEvent(int /* event ATS_UNUSED */, Event *e)
 {
@@ -1008,6 +1010,13 @@ UnixNetVConnection::startEvent(int /* event ATS_UNUSED */, Event *e)
   }
   return EVENT_DONE;
 }
+#else
+int
+UnixNetVConnection::startEvent(int /* event ATS_UNUSED */, Event * /* e */)
+{
+  return EVENT_DONE;
+}
+#endif
 
 int
 UnixNetVConnection::acceptEvent(int event, Event *e)