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bpo-31626: Fixed a bug in debug memory allocator.#3844
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serhiy-storchaka merged 4 commits intoOct 31, 2017
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There was a write to freed memory after shrinking a memory block.
serhiy-storchaka
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needs backport to 3.6
type-bug
An unexpected behavior, bug, or error
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Oct 1, 2017
skrah
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Oct 1, 2017
vstinner
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Oct 2, 2017
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I wrote a different fix: #3898 rewrites the debug hook to not call realloc() anymore, but use malloc()+free(), reusing debug hooks for malloc() and free(). |
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Thanks @serhiy-storchaka for the PR 🌮🎉.. I'm working now to backport this PR to: 3.6. |
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miss-islington
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Oct 31, 2017
Removed a code that incorrectly detected in-place resizing in realloc() and wrote to freed memory. (cherry picked from commit b484d56)
serhiy-storchaka
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Oct 31, 2017
embray
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Nov 9, 2017
Removed a code that incorrectly detected in-place resizing in realloc() and wrote to freed memory.
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There was a write to freed memory after shrinking a memory block.
https://bugs.python.org/issue31626