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gh-132070: add PyObject_Realloc suppression in free-threading #132468

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Apr 16, 2025
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gh-132070: add PyObject_Realloc suppression in free-threading #132468

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4 changes: 4 additions & 0 deletions Tools/tsan/suppressions_free_threading.txt
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Expand Up @@ -43,3 +43,7 @@ race_top:rangeiter_next
# of ptr-sized copies to be thread-safe. (Issue #129069)
race:list_ass_slice_lock_held
race:list_inplace_repeat_lock_held

# PyObject_Realloc internally does memcpy which isn't atomic so can race
# with non-locking reads. See #132070
race:PyObject_Realloc
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