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GeezerVison is showing github.com — [2.7] bpo-35214: Fix OOB memory access in unicode escape parser (GH-10506) by gpshead · Pull Request #10538 · python/cpython

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@gpshead

@gpshead gpshead commented Nov 14, 2018 •
edited by bedevere-bot
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Discovered using clang's MemorySanitizer.

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

Co-authored-by: Gregory P. Smith [email protected] [Google LLC]

https://bugs.python.org/issue35214

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gpshead added 2 commits November 13, 2018 17:18
@gpshead
Fix an out of bounds memory access.
ffd1238
@gpshead
news entry
f4b56e9
@the-knights-who-say-ni the-knights-who-say-ni added the CLA signed label Nov 14, 2018
@bedevere-bot bedevere-bot added the type-bug An unexpected behavior, bug, or error label Nov 14, 2018
@bedevere-bot bedevere-bot mentioned this pull request Nov 14, 2018
bpo-35214: Fix OOB memory access in unicode escape parser #10506
Merged
@bedevere-bot bedevere-bot added the awaiting merge label Nov 14, 2018
@gpshead
add a u prefix, this is Python 2.
8d35bbe
@gpshead
gpshead merged commit b6f4472 into python:2.7 Nov 14, 2018
@bedevere-bot bedevere-bot removed the awaiting merge label Nov 14, 2018
@gpshead
gpshead deleted the backport-746b2d3-2.7-try2 branch November 14, 2018 19:55
@gpshead gpshead mentioned this pull request Aug 22, 2023
Get the test suite passing with clang Memory Sanitizer enabled #79395
Closed
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3 participants

@gpshead @the-knights-who-say-ni @bedevere-bot
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