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| author | gaogaotiantian <gaogaotiantian@hotmail.com> | 2023-03-18 10:59:21 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-03-18 10:59:21 (GMT) |
| commit | 039714d00f147be4d018fa6aeaf174aad7e8fa32 (patch) | |
| tree | c936a730292a522cd6ad1a834dfb74b7dcb45855 | |
| parent | b3cc11a08e1e9121ddba3b9afb9fae032e86f449 (diff) | |
| download | cpython-039714d00f147be4d018fa6aeaf174aad7e8fa32.zip cpython-039714d00f147be4d018fa6aeaf174aad7e8fa32.tar.gz cpython-039714d00f147be4d018fa6aeaf174aad7e8fa32.tar.bz2 | |
gh-101975: Fixed a potential SegFault on garbage collection (GH-102803)
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2023-03-18-02-36-39.gh-issue-101975.HwMR1d.rst | 1 | ||||
| -rw-r--r-- | Python/ceval_macros.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-03-18-02-36-39.gh-issue-101975.HwMR1d.rst b/Misc/NEWS.d/next/Core and Builtins/2023-03-18-02-36-39.gh-issue-101975.HwMR1d.rst new file mode 100644 index 0000000..28c9a84 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2023-03-18-02-36-39.gh-issue-101975.HwMR1d.rst @@ -0,0 +1 @@ +Fixed ``stacktop`` value on tracing entries to avoid corruption on garbage collection. diff --git a/Python/ceval_macros.h b/Python/ceval_macros.h index 98b72ec..c225751 100644 --- a/Python/ceval_macros.h +++ b/Python/ceval_macros.h @@ -310,6 +310,7 @@ GETITEM(PyObject *v, Py_ssize_t i) { _PyFrame_SetStackPointer(frame, stack_pointer); \ int err = trace_function_entry(tstate, frame); \ stack_pointer = _PyFrame_GetStackPointer(frame); \ + frame->stacktop = -1; \ if (err) { \ goto error; \ } \ |