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-rw-r--r--src/afl-fuzz-python.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/afl-fuzz-python.c b/src/afl-fuzz-python.c
index 1084e4f1..460d6683 100644
--- a/src/afl-fuzz-python.c
+++ b/src/afl-fuzz-python.c
@@ -135,7 +135,13 @@ static py_mutator_t *init_py_module(afl_state_t *afl, u8 *module_name) {
u8 py_notrim = 0, py_idx;
/* init, required */
py_functions[PY_FUNC_INIT] = PyObject_GetAttrString(py_module, "init");
+ if (!py_functions[PY_FUNC_INIT])
+ FATAL("init function not found in python module");
py_functions[PY_FUNC_FUZZ] = PyObject_GetAttrString(py_module, "fuzz");
+ if (!py_functions[PY_FUNC_FUZZ])
+ py_functions[PY_FUNC_FUZZ] = PyObject_GetAttrString(py_module, "mutate");
+ if (!py_functions[PY_FUNC_FUZZ])
+ WARNF("fuzz function not found in python module");
py_functions[PY_FUNC_PRE_SAVE] =
PyObject_GetAttrString(py_module, "pre_save");
py_functions[PY_FUNC_INIT_TRIM] =
@@ -152,6 +158,8 @@ static py_mutator_t *init_py_module(afl_state_t *afl, u8 *module_name) {
py_functions[PY_FUNC_QUEUE_NEW_ENTRY] =
PyObject_GetAttrString(py_module, "queue_new_entry");
py_functions[PY_FUNC_DEINIT] = PyObject_GetAttrString(py_module, "deinit");
+ if (!py_functions[PY_FUNC_DEINIT])
+ FATAL("deinit function not found in python module");
for (py_idx = 0; py_idx < PY_FUNC_COUNT; ++py_idx) {