[issue37138] PEP 590 method_vectorcall calls memcpy with NULL src

Change by Jeroen Demeyer : -- pull_requests: +14368 pull_request: https://github.com/python/cpython/pull/14550 ___ Python tracker ___

[issue37138] PEP 590 method_vectorcall calls memcpy with NULL src

Gregory P. Smith added the comment: Thanks Jeroen! -- resolution: -> fixed stage: patch review -> commit review status: open -> closed ___ Python tracker ___

[issue37138] PEP 590 method_vectorcall calls memcpy with NULL src

miss-islington added the comment: New changeset 6e053079ac3fe50ffbe9128bcf766298168c31cb by Miss Islington (bot) in branch '3.8': bpo-37138: fix undefined behaviour with memcpy() on NULL array (GH-13867) https://github.com/python/cpython/commit/6e053079ac3fe50ffbe9128bcf766298168c31cb

[issue37138] PEP 590 method_vectorcall calls memcpy with NULL src

Gregory P. Smith added the comment: New changeset 1f9531764cc0f8dbca1d8f429d162dc28282f4b4 by Gregory P. Smith (Jeroen Demeyer) in branch 'master': bpo-37138: fix undefined behaviour with memcpy() on NULL array (GH-13867)

[issue37138] PEP 590 method_vectorcall calls memcpy with NULL src

Change by miss-islington : -- pull_requests: +13775 pull_request: https://github.com/python/cpython/pull/13900 ___ Python tracker ___

[issue37138] PEP 590 method_vectorcall calls memcpy with NULL src

Change by Jeroen Demeyer : -- keywords: +patch pull_requests: +13743 stage: needs patch -> patch review pull_request: https://github.com/python/cpython/pull/13867 ___ Python tracker

[issue37138] PEP 590 method_vectorcall calls memcpy with NULL src

Jeroen Demeyer added the comment: That's entirely my fault. I was not aware of the fact that calling memcpy() with src=NULL and length 0 was undefined behaviour. I disagree that it should be undefined, but there is not much point in arguing against the C standard. -- nosy: +jdemeyer

[issue37138] PEP 590 method_vectorcall calls memcpy with NULL src

Change by STINNER Victor : -- nosy: +vstinner ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue37138] PEP 590 method_vectorcall calls memcpy with NULL src

New submission from Gregory P. Smith : The undefined behavior sanitizer buildbot is flagging a bunch of issues in master (3.8) of late: AssertionError: 'Objects/classobject.c:74:29: runtime erro[139 chars]re\n' != '' - Objects/classobject.c:74:29: runtime error: null pointer passed as