[issue22503] Signal stack overflow in faulthandler_user

[STINNER Victor]

STINNER Victor added the comment:

_PyFaulthandler_Init() uses sigaltstack() with a stack of SIGSTKSZ bytes. On my Linux/x86_64, SIGSTKSZ is 8 KB.

What is the value of SIGSTKSZ on aarch64? Is there a C define (#ifdef) to use a different size on this architecture? Does the test pass if you modify faulthandler.c to use "SIGSTKSZ * 2"?

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