From: Alexey Izbyshev <izbyshev@ispras.ru>
Date: Wed, 22 Aug 2018 11:46:51 +0000 (+0300)
Subject: [2.7] bpo-34457: Python/ast.c: Add missing NULL check to alias_for_import_name()... 
X-Git-Tag: v2.7.16rc1~173
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5223ce2131a121201a78d0680302ea06c4a58369;p=thirdparty%2FPython%2Fcpython.git

[2.7] bpo-34457: Python/ast.c: Add missing NULL check to alias_for_import_name(). (GH-8852) (GH-8858)

Reported by Svace static analyzer.
(cherry picked from commit 28853a249b1d0c890b7e9ca345290bb8c1756446)

Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>
---

diff --git a/Python/ast.c b/Python/ast.c
index 318c0bb27d35..946032589f4b 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -2520,6 +2520,8 @@ alias_for_import_name(struct compiling *c, const node *n, int store)
             break;
         case STAR:
             str = PyString_InternFromString("*");
+            if (!str)
+                return NULL;
             PyArena_AddPyObject(c->c_arena, str);
             return alias(str, NULL, c->c_arena);
         default: