[3.10] bpo-45521: Fix a bug in the obmalloc radix tree code. (GH-29051)#29122
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nascheme merged 1 commit intopython:3.10from Oct 21, 2021
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[3.10] bpo-45521: Fix a bug in the obmalloc radix tree code. (GH-29051)#29122nascheme merged 1 commit intopython:3.10from
nascheme merged 1 commit intopython:3.10from
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MAP_BOT_LENGTH was incorrectly used to compute MAP_TOP_MASK instead of MAP_TOP_LENGTH. On 64-bit machines, the error causes the tree to hold 46-bits of virtual addresses, rather than the intended 48-bits. (cherry picked from commit 311910b) Co-authored-by: Neil Schemenauer <nas-github@arctrix.com>
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@nascheme: Status check is done, and it's a success ✅ . |
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@nascheme: Status check is done, and it's a success ✅ . |
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@nascheme: Status check is done, and it's a success ✅ . |
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@nascheme: Status check is done, and it's a success ✅ . |
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MAP_BOT_LENGTH was incorrectly used to compute MAP_TOP_MASK instead of
MAP_TOP_LENGTH. On 64-bit machines, the error causes the tree to hold
46-bits of virtual addresses, rather than the intended 48-bits.
(cherry picked from commit 311910b)
Co-authored-by: Neil Schemenauer nas-github@arctrix.com
https://bugs.python.org/issue45521