diff --git a/contrib/fuzz_testing/fuzz.sh b/contrib/fuzz_testing/fuzz.sh
index 35b74f7e4..ad321210a 100755
--- a/contrib/fuzz_testing/fuzz.sh
+++ b/contrib/fuzz_testing/fuzz.sh
@@ -10,12 +10,12 @@ fi
 type="$1"
 if test -z "$type"
 then
-  echo "usage: $0 block|transaction|signature|cold-outputs|cold-transaction"
+  echo "usage: $0 block|transaction|signature|cold-outputs|cold-transaction|load-from-binary|load-from-json"
   exit 1
 fi
 case "$type" in
-  block|transaction|signature|cold-outputs|cold-transaction) ;;
-  *) echo "usage: $0 block|transaction|signature|cold-outputs|cold-transaction"; exit 1 ;;
+  block|transaction|signature|cold-outputs|cold-transaction|load-from-binary|load-from-json) ;;
+  *) echo "usage: $0 block|transaction|signature|cold-outputs|cold-transaction|load-from-binary|load-from-json"; exit 1 ;;
 esac
 
 afl-fuzz -i tests/data/fuzz/$type -m 150 -t 250 -o fuzz-out/$type build/fuzz/tests/fuzz/${type}_fuzz_tests
diff --git a/tests/data/fuzz/load-from-binary/BINARY1 b/tests/data/fuzz/load-from-binary/BINARY1
new file mode 100644
index 000000000..f76dd238a
Binary files /dev/null and b/tests/data/fuzz/load-from-binary/BINARY1 differ
diff --git a/tests/data/fuzz/load-from-json/JSON1 b/tests/data/fuzz/load-from-json/JSON1
new file mode 100644
index 000000000..9e26dfeeb
--- /dev/null
+++ b/tests/data/fuzz/load-from-json/JSON1
@@ -0,0 +1 @@
+{}
\ No newline at end of file
diff --git a/tests/fuzz/CMakeLists.txt b/tests/fuzz/CMakeLists.txt
index 853d46a12..01c17359c 100644
--- a/tests/fuzz/CMakeLists.txt
+++ b/tests/fuzz/CMakeLists.txt
@@ -89,3 +89,27 @@ set_property(TARGET cold-transaction_fuzz_tests
   PROPERTY
     FOLDER "tests")
 
+add_executable(load-from-binary_fuzz_tests load_from_binary.cpp fuzzer.cpp)
+target_link_libraries(load-from-binary_fuzz_tests
+  PRIVATE
+    common
+    epee
+    ${Boost_PROGRAM_OPTIONS_LIBRARY}
+    ${CMAKE_THREAD_LIBS_INIT}
+    ${EXTRA_LIBRARIES})
+set_property(TARGET load-from-binary_fuzz_tests
+  PROPERTY
+    FOLDER "tests")
+
+add_executable(load-from-json_fuzz_tests load_from_json.cpp fuzzer.cpp)
+target_link_libraries(load-from-json_fuzz_tests
+  PRIVATE
+    common
+    epee
+    ${Boost_PROGRAM_OPTIONS_LIBRARY}
+    ${CMAKE_THREAD_LIBS_INIT}
+    ${EXTRA_LIBRARIES})
+set_property(TARGET load-from-json_fuzz_tests
+  PROPERTY
+    FOLDER "tests")
+
diff --git a/tests/fuzz/load_from_binary.cpp b/tests/fuzz/load_from_binary.cpp
new file mode 100644
index 000000000..3c8dd177b
--- /dev/null
+++ b/tests/fuzz/load_from_binary.cpp
@@ -0,0 +1,76 @@
+// Copyright (c) 2017, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "include_base_utils.h"
+#include "file_io_utils.h"
+#include "serialization/keyvalue_serialization.h"
+#include "storages/portable_storage_template_helper.h"
+#include "storages/portable_storage_base.h"
+#include "fuzzer.h"
+
+class PortableStorageFuzzer: public Fuzzer
+{
+public:
+  PortableStorageFuzzer() {}
+  virtual int init();
+  virtual int run(const std::string &filename);
+};
+
+int PortableStorageFuzzer::init()
+{
+  return 0;
+}
+
+int PortableStorageFuzzer::run(const std::string &filename)
+{
+  std::string s;
+
+  if (!epee::file_io_utils::load_file_to_string(filename, s))
+  {
+    std::cout << "Error: failed to load file " << filename << std::endl;
+    return 1;
+  }
+  try
+  {
+    epee::serialization::portable_storage ps;
+    ps.load_from_binary(s);
+  }
+  catch (const std::exception &e)
+  {
+    std::cerr << "Failed to load from binary: " << e.what() << std::endl;
+    return 1;
+  }
+  return 0;
+}
+
+int main(int argc, const char **argv)
+{
+  PortableStorageFuzzer fuzzer;
+  return run_fuzzer(argc, argv, fuzzer);
+}
+
diff --git a/tests/fuzz/load_from_json.cpp b/tests/fuzz/load_from_json.cpp
new file mode 100644
index 000000000..5d39c89a6
--- /dev/null
+++ b/tests/fuzz/load_from_json.cpp
@@ -0,0 +1,76 @@
+// Copyright (c) 2017, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "include_base_utils.h"
+#include "file_io_utils.h"
+#include "serialization/keyvalue_serialization.h"
+#include "storages/portable_storage_template_helper.h"
+#include "storages/portable_storage_base.h"
+#include "fuzzer.h"
+
+class PortableStorageFuzzer: public Fuzzer
+{
+public:
+  PortableStorageFuzzer() {}
+  virtual int init();
+  virtual int run(const std::string &filename);
+};
+
+int PortableStorageFuzzer::init()
+{
+  return 0;
+}
+
+int PortableStorageFuzzer::run(const std::string &filename)
+{
+  std::string s;
+
+  if (!epee::file_io_utils::load_file_to_string(filename, s))
+  {
+    std::cout << "Error: failed to load file " << filename << std::endl;
+    return 1;
+  }
+  try
+  {
+    epee::serialization::portable_storage ps;
+    ps.load_from_json(s);
+  }
+  catch (const std::exception &e)
+  {
+    std::cerr << "Failed to load from binary: " << e.what() << std::endl;
+    return 1;
+  }
+  return 0;
+}
+
+int main(int argc, const char **argv)
+{
+  PortableStorageFuzzer fuzzer;
+  return run_fuzzer(argc, argv, fuzzer);
+}
+