Crash report
What happened?
PoC:
xxx = """
import gc
class Cls:
var = []
gc_get_referrers_list=gc.get_referrers(Cls.var)
for ref in gc_get_referrers_list:
del ref['var']
gc_collect_arg0=2
gc.collect(gc_collect_arg0)
gc_get_referents_arg0=frozenset({"a", "b", "c"})
gc_get_referents_list=gc.get_referents(gc_get_referents_arg0)
gc_get_referrers_list=gc.get_referrers(Cls.var)
"""
x = compile(xxx, "test", "exec")
exec(x)It might be related to #113631 but here it throws tuple error:
../Include/object.h:1023: _Py_NegativeRefcount: Assertion failed: object has negative ref count
Enable tracemalloc to get the memory block allocation traceback
object address : 0x10553d4a0
object refcount : 0
object type : 0x104fd1aa0
object type name: tuple
object repr : <refcnt 0 at 0x10553d4a0>
Fatal Python error: _PyObject_AssertFailed: _PyObject_AssertFailed
Python runtime state: initialized
Running the program directly does not throw error:
import gc
class Cls:
var = []
gc_get_referrers_list=gc.get_referrers(Cls.var)
for ref in gc_get_referrers_list:
del ref['var']
gc_collect_arg0=2
gc.collect(gc_collect_arg0)
gc_get_referents_arg0=frozenset({"a", "b", "c"})
gc_get_referents_list=gc.get_referents(gc_get_referents_arg0)
gc_get_referrers_list=gc.get_referrers(Cls.var)
CPython versions tested on:
CPython main branch
Operating systems tested on:
macOS
Output from running 'python -VV' on the command line:
Python 3.13.0a2+ (heads/main-dirty:42b90cf0d6, Jan 16 2024, 11:20:02) [Clang 14.0.0 (clang-1400.0.29.202)]
Crash report
What happened?
PoC:
It might be related to #113631 but here it throws tuple error:
Running the program directly does not throw error:
CPython versions tested on:
CPython main branch
Operating systems tested on:
macOS
Output from running 'python -VV' on the command line:
Python 3.13.0a2+ (heads/main-dirty:42b90cf0d6, Jan 16 2024, 11:20:02) [Clang 14.0.0 (clang-1400.0.29.202)]