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-rw-r--r--Modules/posixmodule.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 6170ff7..3e446a5 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -5210,6 +5210,15 @@ os_spawnv_impl(PyObject *module, int mode, PyObject *path, PyObject *argv)
"spawnv() arg 2 must contain only strings");
return NULL;
}
+#ifdef MS_WINDOWS
+ if (i == 0 && !argvlist[0][0]) {
+ free_string_array(argvlist, i);
+ PyErr_SetString(
+ PyExc_ValueError,
+ "spawnv() arg 2 first element cannot be empty");
+ return NULL;
+ }
+#endif
}
argvlist[argc] = NULL;