gh-156939: Detect buffer overflow in PyBytesWriter in debug mode - #156943
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gh-156939: Detect buffer overflow in PyBytesWriter in debug mode#156943vstinner wants to merge 2 commits into
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Reserve one byte in PyBytesWriter used as a canary byte: set it to a special value. PyBytesWriter_Finish() checks if the canary byte has been overriden. Add a test on the feature. Tests: only run the 3 "example" tests in BytesWriterTest. There is no need to rerun them in ByteArrayWriterTest.
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Reserve one byte in PyBytesWriter used as a canary byte: set it to a special value. PyBytesWriter_Finish() checks if the canary byte has been overriden. Add a test on the feature.
Tests: only run the 3 "example" tests in BytesWriterTest. There is no need to rerun them in ByteArrayWriterTest.