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| author | Brandt Bucher <brandt@python.org> | 2021-12-16 03:08:20 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-12-16 11:08:20 +0000 |
| commit | 62a8a0c5223f750e22ee381d3cfbdb718cf1cc93 (patch) | |
| tree | fb2cca71b0482717cf220f02b43a369977bff9fb | |
| parent | c5d18a5014f649368b5a4bca94e9ec7d2908b481 (diff) | |
| download | cpython-git-62a8a0c5223f750e22ee381d3cfbdb718cf1cc93.tar.gz | |
bpo-45829: Check `__getitem__`'s version for overflow before specializing (GH-30129)
* Check __getitem__'s version for overflow.
* Use SPEC_FAIL_OUT_OF_VERSIONS instead
| -rw-r--r-- | Python/specialize.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Python/specialize.c b/Python/specialize.c index 7d4387b163..730e2f045e 100644 --- a/Python/specialize.c +++ b/Python/specialize.c @@ -1187,7 +1187,7 @@ _Py_Specialize_BinarySubscr( assert(cls->tp_version_tag != 0); cache0->version = cls->tp_version_tag; int version = _PyFunction_GetVersionForCurrentState(func); - if (version == 0) { + if (version == 0 || version != (uint16_t)version) { SPECIALIZATION_FAIL(BINARY_SUBSCR, SPEC_FAIL_OUT_OF_VERSIONS); goto fail; } |