Pablo Galindo Salgado <pablog...@gmail.com> added the comment:
To reproduce with a modern gcc:
% export ASAN_OPTIONS=detect_leaks=0:allocator_may_return_null=1:handle_segv=0
% ./configure --with-address-sanitizer --without-pymalloc
% make -j -s
% ./python -m test test_statistics
=================================================================
==51490==ERROR: AddressSanitizer: heap-buffer-overflow on address
0x6040000113fd at pc 0x564ec89e0edc bp 0x7ffcffffba70 sp 0x7ffcffffba60
READ of size 1 at 0x6040000113fd thread T0
#0 0x564ec89e0edb in skip_to_next_entry Python/ceval.c:4798
#1 0x564ec89e0edb in get_exception_handler Python/ceval.c:4866
#2 0x564ec89e0edb in _PyEval_EvalFrameDefault Python/ceval.c:4465
#3 0x564ec8be30d7 in _PyEval_EvalFrame Include/internal/pycore_ceval.h:46
#4 0x564ec8be30d7 in _PyEval_Vector Python/ceval.c:5160
#5 0x564ec8a2b22e in _PyObject_VectorcallTstate
Include/cpython/abstract.h:114
#6 0x564ec8a2b22e in object_vacall Objects/call.c:734
#7 0x564ec8a30c50 in _PyObject_CallMethodIdObjArgs Objects/call.c:825
#8 0x564ec8c5bdd7 in import_find_and_load Python/import.c:1499
#9 0x564ec8c5bdd7 in PyImport_ImportModuleLevelObject Python/import.c:1600
#10 0x564ec89ea39b in import_name Python/ceval.c:6101
#11 0x564ec89ea39b in _PyEval_EvalFrameDefault Python/ceval.c:3693
#12 0x564ec8be29ea in _PyEval_EvalFrame Include/internal/pycore_ceval.h:46
#13 0x564ec8be29ea in _PyEval_Vector Python/ceval.c:5160
#14 0x564ec8be29ea in PyEval_EvalCode Python/ceval.c:1136
....
----------
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<https://bugs.python.org/issue40222>
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