diff options
-rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2022-08-22-21-33-28.gh-issue-96187.W_6SRG.rst | 2 | ||||
-rw-r--r-- | Objects/codeobject.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-08-22-21-33-28.gh-issue-96187.W_6SRG.rst b/Misc/NEWS.d/next/Core and Builtins/2022-08-22-21-33-28.gh-issue-96187.W_6SRG.rst new file mode 100644 index 0000000..fd194fa --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2022-08-22-21-33-28.gh-issue-96187.W_6SRG.rst @@ -0,0 +1,2 @@ +Fixed a bug that caused ``_PyCode_GetExtra`` to return garbage for negative +indexes. Patch by Pablo Galindo diff --git a/Objects/codeobject.c b/Objects/codeobject.c index aeb6a8c..72712f4 100644 --- a/Objects/codeobject.c +++ b/Objects/codeobject.c @@ -1339,7 +1339,7 @@ _PyCode_GetExtra(PyObject *code, Py_ssize_t index, void **extra) PyCodeObject *o = (PyCodeObject*) code; _PyCodeObjectExtra *co_extra = (_PyCodeObjectExtra*) o->co_extra; - if (co_extra == NULL || co_extra->ce_size <= index) { + if (co_extra == NULL || index < 0 || co_extra->ce_size <= index) { *extra = NULL; return 0; } |