Thanks to visit codestin.com
Credit goes to github.com

Skip to content

bpo-45648: Add checks for tp_version_tag in specialize.c #29272

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
Fidget-Spinner wants to merge 5 commits into from
+33 −1
Closed

bpo-45648: Add checks for tp_version_tag in specialize.c #29272

Changes from 1 commit
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
9746066
Add checks for tp_version
Fidget-Spinner Oct 28, 2021
307d6c6
Merge remote-tracking branch 'upstream/main' into add_checks_tp_version
Fidget-Spinner Dec 15, 2021
ba81186
Add tests after analyze_descriptor, also wrap in easy-to-use macro
Fidget-Spinner Dec 15, 2021
66c75a2
Merge remote-tracking branch 'upstream/main' into add_checks_tp_version
Fidget-Spinner Dec 15, 2021
a73336c
add version check for specialize_class_call
Fidget-Spinner Dec 15, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 16 additions & 0 deletions Python/specialize.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -707,6 +707,10 @@ _Py_Specialize_LoadAttr(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name, Sp
return -1;
}
}
if (!_PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) {
Comment thread
Fidget-Spinner marked this conversation as resolved.
Outdated
SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_OUT_OF_VERSIONS);
goto fail;
}
PyObject *descr;
DesciptorClassification kind = analyze_descriptor(type, name, &descr, 0);
switch(kind) {
Expand Down Expand Up @@ -796,6 +800,10 @@ _Py_Specialize_StoreAttr(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name, S
SPECIALIZATION_FAIL(STORE_ATTR, SPEC_FAIL_OVERRIDDEN);
goto fail;
}
if (!_PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) {
SPECIALIZATION_FAIL(STORE_ATTR, SPEC_FAIL_OUT_OF_VERSIONS);
goto fail;
}
PyObject *descr;
DesciptorClassification kind = analyze_descriptor(type, name, &descr, 1);
switch(kind) {
Expand Down Expand Up @@ -909,6 +917,10 @@ static int
specialize_class_load_method(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name,
_PyAttrCache *cache1, _PyObjectCache *cache2)
{
if (!_PyType_HasFeature((PyTypeObject *)owner, Py_TPFLAGS_VALID_VERSION_TAG)) {
SPECIALIZATION_FAIL(LOAD_METHOD, SPEC_FAIL_OUT_OF_VERSIONS);
return -1;
}

PyObject *descr = NULL;
DesciptorClassification kind = 0;
Expand Down Expand Up @@ -964,6 +976,10 @@ _Py_Specialize_LoadMethod(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name,
goto fail;
}

if (!_PyType_HasFeature(owner_cls, Py_TPFLAGS_VALID_VERSION_TAG)) {
SPECIALIZATION_FAIL(LOAD_METHOD, SPEC_FAIL_OUT_OF_VERSIONS);
goto fail;
}
PyObject *descr = NULL;
DesciptorClassification kind = 0;
kind = analyze_descriptor(owner_cls, name, &descr, 0);
Expand Down