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usan failure on main #104190

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sunmy2019 opened this issue May 5, 2023 · 1 comment
Closed

usan failure on main #104190

sunmy2019 opened this issue May 5, 2023 · 1 comment
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type-bug An unexpected behavior, bug, or error

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@sunmy2019
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sunmy2019 commented May 5, 2023 •
edited by bedevere-bot
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https://buildbot.python.org/all/#/builders/719/builds/2611

Include/object.h:227:12: runtime error: member access within address 0x7ffd008dd4d0 with insufficient space for an object of type 'PyObject' (aka 'struct _object')
0x7ffd008dd4d0: note: pointer points here
 9d 7f 00 00  80 d9 ab d8 36 56 00 00  00 f8 24 3f e9 07 c3 81  00 ba 81 e0 9d 7f 00 00  f9 e9 1a d6
              ^ 
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior Include/object.h:227:12 in 
make: *** [Makefile:1106: checksharedmods] Error 1

I already located the error. Will open a PR soon.

Linked PRs
@sunmy2019 sunmy2019 added the type-bug An unexpected behavior, bug, or error label May 5, 2023
sunmy2019 added a commit to sunmy2019/cpython that referenced this issue May 5, 2023
@sunmy2019
fix python#104190
c634b91
@bedevere-bot bedevere-bot mentioned this issue May 5, 2023
Merged
@sunmy2019 sunmy2019 mentioned this issue May 5, 2023
Merged
kumaraditya303 pushed a commit that referenced this issue May 5, 2023
@sunmy2019
gh-104190: fix ubsan crash (#104191)
1630345
@kumaraditya303
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Thanks!

carljm added a commit to carljm/cpython that referenced this issue May 5, 2023
@carljm
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 issue May 8, 2023
@sunmy2019 @jbower-fb
pythongh-104190: fix ubsan crash (python#104191)
3205457
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