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1. vstinner

   added

   type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

   testsTests in the Lib/test dirTests in the Lib/test dir

   on Jun 10, 2026
2. vstinner commented on Jun 10, 2026

   

   vstinner

   on Jun 10, 2026

   MemberAuthor

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   See also #151274 (comment) for test_capi failure.
3. vstinner

   added 2 commits that reference this issue on Jun 10, 2026

   gh-151278: Fix test_faulthandler on UBSan (#151279)

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   e60c42d

   [3.15] gh-151278: Fix test_faulthandler on UBSan (GH-151279) (#151281)

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   e8d914f
4. vstinner commented on Jun 10, 2026

   

   vstinner

   on Jun 10, 2026

   MemberAuthor

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   I created #151284 for test_capi.
5. vstinner

   added a commit that references this issue on Jun 10, 2026

   [3.14] gh-151278: Fix test_faulthandler on UBSan (#151279) (#151282)

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   7befb46
6. vstinner commented on Jun 10, 2026

   

   vstinner

   on Jun 10, 2026

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   I didn't backport the fix to 3.13 since Python raises too many UBSan errors in 3.13.
7. vstinner

   closed this as completedon Jun 10, 2026
8. philthompson10

   added a commit that references this issue on Jun 17, 2026

   pythongh-151278: Fix test_faulthandler on UBSan (python#151279)

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   29b3b75