Xi Ruoyao added the comment:
Dup of #39026. And the proposed fix is nack'ed in #39026.
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Python tracker
<https://bugs.python.org/issue40642>
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Pytho
Change by Xi Ruoyao :
--
keywords: +patch
nosy: +xry111
nosy_count: 3.0 -> 4.0
pull_requests: +23514
stage: -> patch review
pull_request: https://github.com/python/cpython/pull/24744
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Python tracker
<https://bugs.python.org/i
Xi Ruoyao added the comment:
> Are uintptr_t overflow/underflow semantics a defined behavior?
Yes. Unlike signed overflow, unsigned overflow is defined to be 2's
complement. The problem is this overflow results a wrong stack pointer limit
and breaks _stack_overf
Change by Xi Ruoyao :
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keywords: +patch
pull_requests: +13116
stage: -> patch review
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Python tracker
<https://bugs.python.org/issue36856>
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Python-
New submission from Xi Ruoyao :
In faulthandler.c STACK_OVERFLOW_MAX_SIZE is defined to 100 * 1024 * 1024
(100MB). But recently KPTI has been applied to mitigate Meltdown
(CVE-2017-5754) so the userspace stack pointer may be very close to 0x
on Linux systems with 32-bit x86
Change by Xi Ruoyao :
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versions: +Python 3.7
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Python tracker
<https://bugs.python.org/issue24851>
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