[issue46159] Segfault when using trace functions in 3.11a3

Cyril Jouve added the comment: this looks related to https://github.com/nedbat/coveragepy/issues/1294 / https://github.com/nedbat/coveragepy/issues/1316 related to binary incompatibility in coverage (6.2) binary wheel built with 3.11alpha2 and running on 3.11alpha3 or later. Latest release

[issue46159] Segfault when using trace functions in 3.11a3

Alex Gaynor added the comment: It seems to no longer be crashing with alpha5. Hopefully it's actually fixed and not merely having a more subtle failure mode. -- ___ Python tracker

[issue46159] Segfault when using trace functions in 3.11a3

Mark Shannon added the comment: Can you reproduce this failure with just Python? If not, with just cryptography and not tox? -- ___ Python tracker ___

[issue46159] Segfault when using trace functions in 3.11a3

Quentin Pradet added the comment: Thanks, you're right, I ran `git bisect` on Linux and the commit that causes the issue is https://github.com/python/cpython/commit/135cabd328504e1648d17242b42b675cdbd0193b ("Copy free variables in bytecode to allow calls to inner functions to be

[issue46159] Segfault when using trace functions in 3.11a3

Paul Kehrer added the comment: Changes in ABI don't seem to be the likely culprit since the Dockerfile provided can demonstrate this bug and has no caching that would result in obtaining alpha2-based binaries. -- ___ Python tracker

[issue46159] Segfault when using trace functions in 3.11a3

Quentin Pradet added the comment: The ABI between alpha 2 and alpha 3 changed, see https://bugs.python.org/issue46320. If pip built (say) cffi in CI for alpha2 and put it in the cache, then it reused that wheel for alpha3 and the segfault is expected. -- nosy: +Quentin.Pradet

[issue46159] Segfault when using trace functions in 3.11a3

Change by Alex Gaynor : -- components: +Interpreter Core nosy: +Mark.Shannon, alex ___ Python tracker ___ ___ Python-bugs-list

[issue46159] Segfault when using trace functions in 3.11a3

Change by Paul Kehrer : -- title: Segfault -> Segfault when using trace functions in 3.11a3 ___ Python tracker ___ ___