From c521b199e4b757cd333e99dd1a3f1753543a8e19 Mon Sep 17 00:00:00 2001
From: Fei Deng <duke8253@gmail.com>
Date: Wed, 21 Aug 2019 14:20:24 -0500
Subject: [PATCH] grab lock before invoking hook

---
 iocore/net/SSLNetVConnection.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/iocore/net/SSLNetVConnection.cc b/iocore/net/SSLNetVConnection.cc
index 112cca4e43f..477e6778105 100644
--- a/iocore/net/SSLNetVConnection.cc
+++ b/iocore/net/SSLNetVConnection.cc
@@ -1747,6 +1747,7 @@ SSLNetVConnection::callHooks(TSEvent eventId)
   }
 
   if (curHook != nullptr) {
+    SCOPED_MUTEX_LOCK(lock, curHook->m_cont->mutex, this_ethread());
     curHook->invoke(eventId, this);
     reenabled =
       (this->sslHandshakeHookState != HANDSHAKE_HOOKS_CERT_INVOKE && this->sslHandshakeHookState != HANDSHAKE_HOOKS_PRE_INVOKE &&