From 321bbc2079e2dc3648ae4eaf845f5b71d30b423a Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Fri, 10 Feb 2017 18:03:14 -0800
Subject: [PATCH 1/2] fix ubsan: bitcoin-tx: not initialize context before
 IsFullyValid

---
 src/bitcoin-tx.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index 61e0eb74e6..4b64a96822 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -651,11 +651,13 @@ static void MutateTx(CMutableTransaction& tx, const std::string& command,
         MutateTxDelOutput(tx, commandVal);
     else if (command == "outaddr")
         MutateTxAddOutAddr(tx, commandVal);
-    else if (command == "outpubkey")
+    else if (command == "outpubkey") {
+        if (!ecc) { ecc.reset(new Secp256k1Init()); }
         MutateTxAddOutPubKey(tx, commandVal);
-    else if (command == "outmultisig")
+    } else if (command == "outmultisig") {
+        if (!ecc) { ecc.reset(new Secp256k1Init()); }
         MutateTxAddOutMultiSig(tx, commandVal);
-    else if (command == "outscript")
+    } else if (command == "outscript")
         MutateTxAddOutScript(tx, commandVal);
     else if (command == "outdata")
         MutateTxAddOutData(tx, commandVal);

From 1d31093d4d8501a5dc031413a963707f6cae0e0a Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Sat, 11 Feb 2017 12:37:05 -0800
Subject: [PATCH 2/2] fix tsan: utiltime race on nMockTime

---
 src/utiltime.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/utiltime.cpp b/src/utiltime.cpp
index a9936a645a..510f540b1d 100644
--- a/src/utiltime.cpp
+++ b/src/utiltime.cpp
@@ -9,14 +9,17 @@
 
 #include "utiltime.h"
 
+#include <atomic>
+
 #include <boost/date_time/posix_time/posix_time.hpp>
 #include <boost/thread.hpp>
 
-static int64_t nMockTime = 0; //!< For unit testing
+static std::atomic<int64_t> nMockTime(0); //!< For unit testing
 
 int64_t GetTime()
 {
-    if (nMockTime) return nMockTime;
+    int64_t mocktime = nMockTime.load(std::memory_order_relaxed);
+    if (mocktime) return mocktime;
 
     time_t now = time(NULL);
     assert(now > 0);
@@ -25,7 +28,7 @@ int64_t GetTime()
 
 void SetMockTime(int64_t nMockTimeIn)
 {
-    nMockTime = nMockTimeIn;
+    nMockTime.store(nMockTimeIn, std::memory_order_relaxed);
 }
 
 int64_t GetTimeMillis()
@@ -52,7 +55,8 @@ int64_t GetSystemTimeInSeconds()
 /** Return a time useful for the debug log */
 int64_t GetLogTimeMicros()
 {
-    if (nMockTime) return nMockTime*1000000;
+    int64_t mocktime = nMockTime.load(std::memory_order_relaxed);
+    if (mocktime) return mocktime*1000000;
 
     return GetTimeMicros();
 }