[Libguestfs] [PATCH v2] python: Avoid leaking py_array and py_args in event callbacks

[Richard W.M. Jones]

See also:

https://listman.redhat.com/archives/libguestfs/2023-February/030730.html
https://listman.redhat.com/archives/libguestfs/2023-February/030745.html
https://listman.redhat.com/archives/libguestfs/2023-February/030746.html

Fixes: commit 6ef5837e2d8c5d4d83eff51c0201eb2e08f719de
Thanks: Laszlo Ersek, Eric Blake
---
 python/handle.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/python/handle.c b/python/handle.c
index 8eeabe60a7..85089e6bce 100644
--- a/python/handle.c
+++ b/python/handle.c
@@ -134,6 +134,7 @@ guestfs_int_py_event_callback_wrapper (guestfs_h *g,
   args = Py_BuildValue ("(Kiy#O)",
                         (unsigned PY_LONG_LONG) event, event_handle,
                         buf, buf_len, py_array);
+  Py_DECREF (py_array);
   if (args == NULL) {
     PyErr_PrintEx (0);
     goto out;
-- 
2.39.0

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