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| author | Mark Shannon <mark@hotpy.org> | 2023-03-20 14:42:15 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-03-20 14:42:15 (GMT) |
| commit | d149f15d637a323ac818a7fa719cad945828a04b (patch) | |
| tree | ffcf34be95a34e68ba2c967ba15ee07fde190486 | |
| parent | 98833563e25c2b9bafce9f9dd1579f169f921ed7 (diff) | |
| download | cpython-d149f15d637a323ac818a7fa719cad945828a04b.zip cpython-d149f15d637a323ac818a7fa719cad945828a04b.tar.gz cpython-d149f15d637a323ac818a7fa719cad945828a04b.tar.bz2 | |
[3.11] gh-101975: Fixed a potential SegFault on garbage collection (GH-102803) (GH-102807)
Authored-by: gaogaotiantian <gaogaotiantian@hotmail.com>
| -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.c | 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.c b/Python/ceval.c index 96d215a..72f9c83 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -1536,6 +1536,7 @@ eval_frame_handle_pending(PyThreadState *tstate) _PyFrame_SetStackPointer(frame, stack_pointer); \ int err = trace_function_entry(tstate, frame); \ stack_pointer = _PyFrame_GetStackPointer(frame); \ + frame->stacktop = -1; \ if (err) { \ goto error; \ } \ |