[issue22503] Signal stack overflow in faulthandler_user

STINNER Victor added the comment: Python 3 is built frequently on the Fedora infra on AArch64 and the test_faulthandler test doesn't fail there. Recent example of build: https://koji.fedoraproject.org/koji/buildinfo?buildID=1236594 Direct link to AArch64 build logs (build.log): https://kojipk

[issue22503] Signal stack overflow in faulthandler_user

Cheryl Sabella added the comment: The bug ticket link provided by @schwab was resolved as closed in 2015. Is this ticket still an issue on aarch64? Other tickets with same error on other platforms: Issue35484, Issue21131 -- nosy: +cheryl.sabella __

[issue22503] Signal stack overflow in faulthandler_user

Andreas Schwab added the comment: There is an open bug about MINSIGSTKSZ being too small on aarch64 . How much SIGSTKSZ can guarantee about nested signals is unclear. POSIX does not appear give any guidance. On aarch64 SIGSTKSZ is defined

[issue22503] Signal stack overflow in faulthandler_user

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 modif

[issue22503] Signal stack overflow in faulthandler_user

Changes by R. David Murray : -- nosy: +haypo ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.pytho

[issue22503] Signal stack overflow in faulthandler_user

New submission from Andreas Schwab: test_register_chain fails on aarch64 due to signal stack overflow, when re-raising the signal in faulthandler_user. The problem is that the signal stack can only handle a single signal frame, but faulthandler_user adds a second one. _Py_Faulthandler_Init s