debug

.cirrus.yml

@@ -246,8 +246,9 @@ task:
   env:
     << : *CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
     FILE_ENV: "./ci/test/00_setup_env_native_fuzz.sh"
-  python_script:
-    - python src/test/fuzz/script.py
+#  python_script:
+##    - if [ "$CIRRUS_PR" = "" ]; then python src/test/fuzz/script.py; fi
+#    - python src/test/fuzz/script.py
 
 #task:
 #  name: '[multiprocess, i686, DEBUG] [focal]'

src/test/fuzz/crypto_diff_fuzz_pychacha20.cpp

@@ -140,6 +140,7 @@ void send_to_python(int sockfd, uint32_t num)
 FUZZ_TARGET(crypto_diff_fuzz_pychacha20)
 {
     /* ----------------------- socket initialisation --------------------------  */
+    std::cout << "socket initialisation\n";
     struct sockaddr_un addr;
 
     // Create a new client socket with domain: AF_UNIX, type: SOCK_STREAM, protocol: 0
@@ -167,7 +168,9 @@ FUZZ_TARGET(crypto_diff_fuzz_pychacha20)
         exit(1);
     }
     /* ----------------------- initialisation over -----------------------  */
+    std::cout << "socket initialisation over\n";
     /* ----------------------- fuzzing phase ------------------------------ */
+    std::cout << "fuzzing initialisation\n";
     FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
     ChaCha20 chacha20;
 
@@ -180,7 +183,7 @@ FUZZ_TARGET(crypto_diff_fuzz_pychacha20)
     std::vector<unsigned char> response = read_from_python(sockfd);
     std::string s1(response.begin(), response.end());
     assert(s1 == "ok");
-
+    std::cout<<"py response obtained\n";
     LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 3000)
     {
         CallOneOf(
@@ -214,5 +217,6 @@ FUZZ_TARGET(crypto_diff_fuzz_pychacha20)
     std::string s2(response.begin(), response.end());
     assert(s2 == "ok");
     /* ----------------------- end fuzzing phase -----------------------  */
+    std::cout << "fuzzing over\n";
     close(sockfd);
 }

src/test/fuzz/script.py

@@ -12,8 +12,8 @@
     os.remove("/tmp/socket_test.s")
 
 def main():
+    print("Script Hello!!!")
     s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
-    s.settimeout(60)
     s.bind("/tmp/socket_test.s")
     s.listen(1)
     while True:
@@ -71,4 +71,5 @@ def main():
                     raise Exception("Unrecognised cmd")
 
 if __name__ == "__main__":
-    main()
+    main()
+    print("Script Bye!!!")

test/fuzz/test_runner.py

@@ -134,6 +134,11 @@ def main():
             logging.info("Please consider adding a fuzz corpus at https://github.com/bitcoin-core/qa-assets")
 
     try:
+        if 'crypto_diff_fuzz_pychacha20' in args.target:
+        #     # output += "hi"
+            subprocess.Popen('src/test/fuzz/script.py', shell = True)
+        #     # sleep(10)
+        #     # output += "bye"
         help_output = subprocess.run(
             args=[
                 os.path.join(config["environment"]["BUILDDIR"], 'src', 'test', 'fuzz', 'fuzz'),
@@ -217,7 +222,7 @@ def job(command, t):
     for future in as_completed(futures):
         future.result()
 
-
+# todo: what's this?
 def merge_inputs(*, fuzz_pool, corpus, test_list, src_dir, build_dir, merge_dir):
     logging.info("Merge the inputs from the passed dir into the corpus_dir. Passed dir {}".format(merge_dir))
     jobs = []
@@ -266,6 +271,12 @@ def run_once(*, fuzz_pool, corpus, test_list, src_dir, build_dir, use_valgrind):
 
         def job(t, args):
             output = 'Run {} with args {}'.format(t, args)
+            # import ipdb; ipdb.set_trace()
+            # if t == 'crypto_diff_fuzz_pychacha20':
+            #     output += "hi"
+            #     subprocess.Popen(['python','src/test/fuzz/script.py'])
+            #     sleep(10)
+            #     output += "bye"
             result = subprocess.run(
                 args,
                 env=get_fuzz_env(target=t, source_dir=src_dir),