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gh-104190: fix ubsan crash #104191

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merged 1 commit into from
May 5, 2023
Merged

gh-104190: fix ubsan crash #104191

merged 1 commit into from
May 5, 2023

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sunmy2019
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@sunmy2019 sunmy2019 commented May 5, 2023 •
edited by bedevere-bot
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@bedevere-bot bedevere-bot mentioned this pull request May 5, 2023
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@gaogaotiantian gaogaotiantian added skip news 🔨 test-with-buildbots Test PR w/ buildbots; report in status section type-crash A hard crash of the interpreter, possibly with a core dump labels May 5, 2023
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🤖 New build scheduled with the buildbot fleet by @gaogaotiantian for commit c634b91 🤖

If you want to schedule another build, you need to add the 🔨 test-with-buildbots label again.

@bedevere-bot bedevere-bot removed the 🔨 test-with-buildbots Test PR w/ buildbots; report in status section label May 5, 2023
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Good catch! It seems to me that ObjExtraData_Type is a bad name here - super confusing with all the other similar names being the PyTypeObject instead of the pointer. Maybe we should consider renaming the variable.

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Maybe we should consider renaming the variable.

It makes sense in some respects. But a quick search in the code base, most variable names receiving PyType_FromModuleAndSpec has patterns

xxx_xxx_type (count=30)
XxxXxx_Type (count=15)
XxxXxxType (count=6)

No strong preference was found. I am OK either way.

@kumaraditya303 kumaraditya303 merged commit 1630345 into python:main May 5, 2023
@brandtbucher brandtbucher mentioned this pull request May 5, 2023
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@sunmy2019 sorry for hijacking this issue, but could you please email me at [email protected] to discuss potential triage permissions?

carljm added a commit to carljm/cpython that referenced this pull request May 5, 2023
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Merge branch 'main' into inlinecomp2
8a78a36 
* main: (61 commits)
  pythongh-64595: Argument Clinic: Touch source file if any output file changed (python#104152)
  pythongh-64631: Test exception messages in cloned Argument Clinic funcs (python#104167)
  pythongh-68395: Avoid naming conflicts by mangling variable names in Argument Clinic (python#104065)
  pythongh-64658: Expand Argument Clinic return converter docs (python#104175)
  pythonGH-103092: port `_asyncio` freelist to module state (python#104196)
  pythongh-104051: fix crash in test_xxtestfuzz with -We (python#104052)
  pythongh-104190: fix ubsan crash (python#104191)
  pythongh-104106: Add gcc fallback of mkfifoat/mknodat for macOS (pythongh-104129)
  pythonGH-104142: Fix _Py_RefcntAdd to respect immortality (pythonGH-104143)
  pythongh-104112: link from cached_property docs to method-caching FAQ (python#104113)
  pythongh-68968: Correcting message display issue with assertEqual (python#103937)
  pythonGH-103899: Provide a hint when accidentally calling a module (pythonGH-103900)
  pythongh-103963: fix 'make regen-opcode' in out-of-tree builds (python#104177)
  pythongh-102500: Add PEP 688 and 698 to the 3.12 release highlights (python#104174)
  pythonGH-81079: Add case_sensitive argument to `pathlib.Path.glob()` (pythonGH-102710)
  pythongh-91896: Deprecate collections.abc.ByteString (python#102096)
  pythongh-99593: Add tests for Unicode C API (part 2) (python#99868)
  pythongh-102500: Document PEP 688 (python#102571)
  pythongh-102500: Implement PEP 688 (python#102521)
  pythongh-96534: socketmodule: support FreeBSD divert(4) socket (python#96536)
  ...
jbower-fb pushed a commit to jbower-fb/cpython-jbowerfb that referenced this pull request May 8, 2023
@sunmy2019 @jbower-fb
pythongh-104190: fix ubsan crash (python#104191)
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@kumaraditya303 kumaraditya303 kumaraditya303 approved these changes

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@sunmy2019 @bedevere-bot @gaogaotiantian @Fidget-Spinner @kumaraditya303