From c833b16544a8081d5390cb954e82a1d4b5dbffd1 Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Thu, 26 Nov 2020 09:15:45 -0500
Subject: [PATCH] check if session expired before generating more tags

---
 libi2pd/ECIESX25519AEADRatchetSession.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libi2pd/ECIESX25519AEADRatchetSession.cpp b/libi2pd/ECIESX25519AEADRatchetSession.cpp
index 3dfe4ca5..00efee48 100644
--- a/libi2pd/ECIESX25519AEADRatchetSession.cpp
+++ b/libi2pd/ECIESX25519AEADRatchetSession.cpp
@@ -1011,8 +1011,11 @@ namespace garlic
 
 	void ECIESX25519AEADRatchetSession::GenerateMoreReceiveTags (std::shared_ptr<RatchetTagSet> receiveTagset, int numTags)
 	{
-		for (int i = 0; i < numTags; i++)
-			GetOwner ()->AddECIESx25519SessionNextTag (receiveTagset);
+		if (GetOwner ())
+		{	
+			for (int i = 0; i < numTags; i++)
+				GetOwner ()->AddECIESx25519SessionNextTag (receiveTagset);
+		}	
 	}
 
 	bool ECIESX25519AEADRatchetSession::CheckExpired (uint64_t ts)