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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2022-07-04 18:43:12 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-07-04 18:43:12 (GMT) |
| commit | 68f5fa668343341b79ce1e23f1d9e773b98fd312 (patch) | |
| tree | bc9b4ab897d1addc94ebf52c643e720fb75944d7 /Python/frame.c | |
| parent | 8fe0b1d8fa3451e923d7632263be6145a0734468 (diff) | |
| download | cpython-68f5fa668343341b79ce1e23f1d9e773b98fd312.zip cpython-68f5fa668343341b79ce1e23f1d9e773b98fd312.tar.gz cpython-68f5fa668343341b79ce1e23f1d9e773b98fd312.tar.bz2 | |
[3.11] GH-94262: Don't create frame objects for frames that aren't yet complete. (GH-94371) (#94482)
Co-authored-by: Mark Shannon <mark@hotpy.org>
Diffstat (limited to 'Python/frame.c')
| -rw-r--r-- | Python/frame.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Python/frame.c b/Python/frame.c index b6674ed..c4e9349 100644 --- a/Python/frame.c +++ b/Python/frame.c @@ -66,9 +66,13 @@ take_ownership(PyFrameObject *f, _PyInterpreterFrame *frame) f->f_frame = frame; frame->owner = FRAME_OWNED_BY_FRAME_OBJECT; assert(f->f_back == NULL); - if (frame->previous != NULL) { + _PyInterpreterFrame *prev = frame->previous; + while (prev && _PyFrame_IsIncomplete(prev)) { + prev = prev->previous; + } + if (prev) { /* Link PyFrameObjects.f_back and remove link through _PyInterpreterFrame.previous */ - PyFrameObject *back = _PyFrame_GetFrameObject(frame->previous); + PyFrameObject *back = _PyFrame_GetFrameObject(prev); if (back == NULL) { /* Memory error here. */ assert(PyErr_ExceptionMatches(PyExc_MemoryError)); |