gh-149342: _remote_debugging: Fix binary profile corruption when sampling a (temporarily) empty stack#149343
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pablogsal merged 12 commits intopython:mainfrom May 5, 2026
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maurycy
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May 4, 2026
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pablogsal
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May 4, 2026
maurycy
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May 4, 2026
``` Objects/descrobject.c:194:16: runtime error: call to function BinaryWriter_get_total_samples through pointer to incorrect function type 'struct _object *(*)(struct _object *, void *)' /home/maurycy/cpython/./Modules/_remote_debugging/module.c:1660: note: BinaryWriter_get_total_samples defined here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior Objects/descrobject.c:194:16 ``` https://github.com/python/cpython/actions/runs/25297636845/job/74159079502
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My understanding is that an empty stack is a bit racy but perfectly valid?
Closes #149342
_remote_debugging:Invalid RLE count XXX exceeds maximum possible XXX for remaining data#149342