commit 503627fc2acb875b4c7b58a7f6e258cfcbad054b
author Alex Henrie <alexhenrie24@gmail.com> Tue Mar 02 03:20:25 2021 -0700
committer GitHub <noreply@github.com> Tue Mar 02 10:20:25 2021 +0000
tree 1f55b7b9821ebf7a85666bcbf62bbb4e826bfae4
parent 25e244c92501e84b0fd6e7539e15c0e640d42cc1

bpo-43358: Fix bad free in assemble function (GH-24697)

Python/compile.c

diff --git a/Python/compile.c b/Python/compile.c
index 454005e..b0d3127 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -6664,12 +6664,12 @@ assemble(struct compiler *c, int addNone)
 
     for (basicblock *b = c->u->u_blocks; b != NULL; b = b->b_list) {
         if (normalize_basic_block(b)) {
-            goto error;
+            return NULL;
         }
     }
 
     if (ensure_exits_have_lineno(c)) {
-        goto error;
+        return NULL;
     }
 
     nblocks = 0;