Fixed unaligned memory accesses

src/base/base.cmake

@@ -68,6 +68,7 @@ set(HEADERS_BASE
     src/base/net/tools/MemPool.h
     src/base/net/tools/NetBuffer.h
     src/base/net/tools/Storage.h
+    src/base/tools/Alignment.h
     src/base/tools/Arguments.h
     src/base/tools/Baton.h
     src/base/tools/bswap_64.h

src/base/net/stratum/Job.cpp

@@ -30,6 +30,7 @@
 
 
 #include "base/net/stratum/Job.h"
+#include "base/tools/Alignment.h"
 #include "base/tools/Buffer.h"
 #include "base/tools/Cvt.h"
 #include "base/tools/cryptonote/BlockTemplate.h"
@@ -73,7 +74,7 @@ bool xmrig::Job::setBlob(const char *blob)
         return false;
     }
 
-    if (*nonce() != 0 && !m_nicehash) {
+    if (readUnaligned(nonce()) != 0 && !m_nicehash) {
         m_nicehash = true;
     }
 

src/base/tools/Alignment.h

@@ -0,0 +1,53 @@
+/* XMRig
+ * Copyright (c) 2018-2022 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2022 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_ALIGNMENT_H
+#define XMRIG_ALIGNMENT_H
+
+
+#include <type_traits>
+#include <cstring>
+
+
+namespace xmrig {
+
+
+template<typename T>
+inline T readUnaligned(const T* ptr)
+{
+    static_assert(std::is_integral<T>::value, "Integer type required");
+
+    T result;
+    memcpy(&result, ptr, sizeof(T));
+    return result;
+}
+
+
+template<typename T>
+inline void writeUnaligned(T* ptr, T data)
+{
+    static_assert(std::is_integral<T>::value, "Integer type required");
+
+    memcpy(ptr, &data, sizeof(T));
+}
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_ALIGNMENT_H */