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GeezerVison is showing github.com — gh-160353: Fix readline memory leak on re-import by ashm-dev · Pull Request #160379 · python/cpython

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@ashm-dev

@ashm-dev ashm-dev commented Oct 22, 2026 •
edited by bedevere-app Bot
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Free the previous completion delimiters buffer in setup_readline() after successfully allocating its replacement.

Add a regression test covering re-imports with default and custom delimiters. The test fails under LeakSanitizer before the fix and passes afterwards.

Fixes #160353.

  • Issue: readline leaks the completer delimiters buffer on re-import #160353

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@ashm-dev
fix(readline): free completer delimiters on re-import
8cb142a
@bedevere-app bedevere-app Bot added the awaiting review label Oct 22, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Oct 22, 2026
readline leaks the completer delimiters buffer on re-import #160353
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@ashm-dev

ashm-dev commented Oct 27, 2026

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readline leaks the completer delimiters buffer on re-import

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@ashm-dev
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