Backport fix from 51683.
diff --git a/Misc/NEWS b/Misc/NEWS
index d7a118b..76c4eed 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -46,6 +46,8 @@
Extension Modules
-----------------
+- Bug #1548092: fix curses.tparm seg fault on invalid input.
+
- Bug #1550714: fix SystemError from itertools.tee on negative value for n.
diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c
index 2921d53..aeb1ef5 100644
--- a/Modules/_cursesmodule.c
+++ b/Modules/_cursesmodule.c
@@ -2334,6 +2334,10 @@
}
result = tparm(fmt,i1,i2,i3,i4,i5,i6,i7,i8,i9);
+ if (!result) {
+ PyErr_SetString(PyCursesError, "tparm() returned NULL");
+ return NULL;
+ }
return PyString_FromString(result);
}