[issue46968] Insufficient sigaltstack size used by CPython prevents extensions from using new ISA

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

The latest faulthandler bug on sigaltstack() was bpo-21131 about FPU state stored by "XSAVE" and a Linux kernel change to fix a security vulnerability:
https://bugs.python.org/issue21131#msg349688

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<https://bugs.python.org/issue46968>
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