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[3.6] bpo-35214: Fix OOB memory access in unicode escape parser (GH-10506)#10523

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miss-islington merged 1 commit intopython:3.6from
miss-islington:backport-746b2d3-3.6
Nov 13, 2018
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[3.6] bpo-35214: Fix OOB memory access in unicode escape parser (GH-10506)#10523
miss-islington merged 1 commit intopython:3.6from
miss-islington:backport-746b2d3-3.6

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@miss-islington miss-islington commented Nov 13, 2018

Discovered using clang's MemorySanitizer when it ran python3's
test_fstring test_misformed_unicode_character_name.

An msan build will fail by simply executing: ./python -c 'u"\N"'
(cherry picked from commit 746b2d3)

Co-authored-by: Gregory P. Smith greg@krypto.org

https://bugs.python.org/issue35214

…0506)

Discovered using clang's MemorySanitizer when it ran python3's
test_fstring test_misformed_unicode_character_name.

An msan build will fail by simply executing: ./python -c 'u"\N"'
(cherry picked from commit 746b2d3)

Co-authored-by: Gregory P. Smith <greg@krypto.org>
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@gpshead: Status check is done, and it's a success ✅ .

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