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-rw-r--r--src/python/pypamtest.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/python/pypamtest.c b/src/python/pypamtest.c
index 1538294..e342366 100644
--- a/src/python/pypamtest.c
+++ b/src/python/pypamtest.c
@@ -263,6 +263,11 @@ set_pypamtest_exception(PyObject *exc,
const char *strerr;
const struct pam_testcase *failed;
+ if (exc == NULL) {
+ PyErr_BadArgument();
+ return;
+ }
+
strerr = pamtest_strerror(perr);
if (perr == PAMTEST_ERR_CASE) {