int_PyHamt_Eq(PyHamtObject*v,PyHamtObject*w){if (v==w) {return1;    }if (v->h_count!=w->h_count) {return0;    }PyHamtIteratorStateiter;hamt_iter_titer_res;hamt_find_tfind_res;PyObject*v_key;PyObject*v_val;PyObject*w_val;hamt_iterator_init(&iter,v->h_root);do {iter_res=hamt_iterator_next(&iter,&v_key,&v_val);if (iter_res==I_ITEM) {find_res=hamt_find(w,v_key,&w_val);switch (find_res) {caseF_ERROR:return-1;caseF_NOT_FOUND:return0;caseF_FOUND: {// Bug: Enter the __eq__ method which can tear down the HAMT we’re iteratingintcmp=PyObject_RichCompareBool(v_val,w_val,Py_EQ);if (cmp<0) {return-1;                    }if (cmp==0) {return0;                    }                }            }        }    }while (iter_res!=I_END);return1;}

===================================================================1348779==ERROR: AddressSanitizer: heap-use-after-free on address 0x5060000cff98 at pc 0x5b670b71e4b3 bp 0x7ffca41ad830 sp 0x7ffca41ad828READ of size 8 at 0x5060000cff98 thread T0    #0 0x5b670b71e4b2 in _Py_TYPE /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/object.h:277:20    #1 0x5b670b71e4b2 in Py_IS_TYPE /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/object.h:302:12    #2 0x5b670b71e4b2 in hamt_iterator_next /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/hamt.c:2193:9    #3 0x5b670b71de0a in _PyHamt_Eq /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/hamt.c:2341:20    #4 0x5b670b6c8393 in context_tp_richcompare /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/context.c:565:15    #5 0x5b670b464817 in do_richcompare /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/object.c:1059:15    #6 0x5b670b464817 in PyObject_RichCompare /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/object.c:1108:21    #7 0x5b670b65e386 in _PyEval_EvalFrameDefault /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/generated_cases.c.h:4683:35    #8 0x5b670b6463bb in _PyEval_EvalFrame /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_ceval.h:121:16    #9 0x5b670b6463bb in _PyEval_Vector /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/ceval.c:2005:12    #10 0x5b670b6463bb in PyEval_EvalCode /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/ceval.c:888:21    #11 0x5b670b79d370 in run_eval_code_obj /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:1365:12    #12 0x5b670b79d370 in run_mod /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:1459:19    #13 0x5b670b79743c in pyrun_file /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:1293:15    #14 0x5b670b79743c in _PyRun_SimpleFileObject /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:521:13    #15 0x5b670b796b05 in _PyRun_AnyFileObject /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:81:15    #16 0x5b670b7fefe5 in pymain_run_file_obj /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:410:15    #17 0x5b670b7fefe5 in pymain_run_file /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:429:15    #18 0x5b670b7fd99d in pymain_run_python /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:691:21    #19 0x5b670b7fd99d in Py_RunMain /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:772:5    #20 0x5b670b7fe451 in pymain_main /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:802:12    #21 0x5b670b7fe5c3 in Py_BytesMain /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:826:12    #22 0x779d3a22a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16    #23 0x779d3a22a28a in __libc_start_main csu/../csu/libc-start.c:360:3    #24 0x5b670b1ae104 in _start (/home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/python+0x1c7104) (BuildId: 5de9d2fcbcd44bfc1b0fe256566d49ad35ca1d56)0x5060000cff98 is located 24 bytes inside of 64-byte region [0x5060000cff80,0x5060000cffc0)freed by thread T0 here:    #0 0x5b670b248cba in free (/home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/python+0x261cba) (BuildId: 5de9d2fcbcd44bfc1b0fe256566d49ad35ca1d56)    #1 0x5b670b46ace1 in _Py_Dealloc /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/object.c:3200:5    #2 0x5b670b71edad in Py_DECREF /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/refcount.h:420:9    #3 0x5b670b71edad in hamt_tp_clear /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/hamt.c:2606:5    #4 0x5b670b71edad in hamt_tp_dealloc /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/hamt.c:2636:11    #5 0x5b670b46ace1 in _Py_Dealloc /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/object.c:3200:5    #6 0x5b670b6c71b6 in Py_DECREF /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/refcount.h:420:9    #7 0x5b670b6c71b6 in contextvar_set /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/context.c:801:5    #8 0x5b670b6c71b6 in PyContextVar_Set /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/context.c:367:9    #9 0x5b670b37ea3b in _PyObject_VectorcallTstate /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_call.h:169:11    #10 0x5b670b37ea3b in PyObject_Vectorcall /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/call.c:327:12    #11 0x5b670b665837 in _PyEval_EvalFrameDefault /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/generated_cases.c.h:1620:35    #12 0x5b670b646a14 in _PyEval_EvalFrame /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_ceval.h:121:16    #13 0x5b670b646a14 in _PyEval_Vector /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/ceval.c:2005:12    #14 0x5b670b6c9b13 in _PyObject_VectorcallTstate /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_call.h:169:11    #15 0x5b670b6c9b13 in context_run /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/context.c:728:29    #16 0x5b670b37ea3b in _PyObject_VectorcallTstate /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_call.h:169:11    #17 0x5b670b37ea3b in PyObject_Vectorcall /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/call.c:327:12    #18 0x5b670b665837 in _PyEval_EvalFrameDefault /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/generated_cases.c.h:1620:35    #19 0x5b670b646a14 in _PyEval_EvalFrame /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_ceval.h:121:16    #20 0x5b670b646a14 in _PyEval_Vector /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/ceval.c:2005:12    #21 0x5b670b4c4488 in _PyObject_VectorcallTstate /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_call.h:169:11    #22 0x5b670b4c4488 in vectorcall_unbound /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/typeobject.c:3034:12    #23 0x5b670b4c4488 in maybe_call_special_one_arg /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/typeobject.c:3176:15    #24 0x5b670b4effc0 in _PyObject_MaybeCallSpecialOneArg /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/typeobject.c:3191:12    #25 0x5b670b4effc0 in slot_tp_richcompare /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/typeobject.c:10736:21    #26 0x5b670b464817 in do_richcompare /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/object.c:1059:15    #27 0x5b670b464817 in PyObject_RichCompare /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/object.c:1108:21    #28 0x5b670b464397 in PyObject_RichCompareBool /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/object.c:1130:11    #29 0x5b670b71ddda in _PyHamt_Eq /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/hamt.c:2352:31    #30 0x5b670b6c8393 in context_tp_richcompare /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/context.c:565:15    #31 0x5b670b464817 in do_richcompare /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/object.c:1059:15    #32 0x5b670b464817 in PyObject_RichCompare /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/object.c:1108:21    #33 0x5b670b65e386 in _PyEval_EvalFrameDefault /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/generated_cases.c.h:4683:35    #34 0x5b670b6463bb in _PyEval_EvalFrame /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_ceval.h:121:16    #35 0x5b670b6463bb in _PyEval_Vector /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/ceval.c:2005:12    #36 0x5b670b6463bb in PyEval_EvalCode /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/ceval.c:888:21    #37 0x5b670b79d370 in run_eval_code_obj /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:1365:12    #38 0x5b670b79d370 in run_mod /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:1459:19    #39 0x5b670b79743c in pyrun_file /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:1293:15    #40 0x5b670b79743c in _PyRun_SimpleFileObject /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:521:13    #41 0x5b670b796b05 in _PyRun_AnyFileObject /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:81:15    #42 0x5b670b7fefe5 in pymain_run_file_obj /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:410:15    #43 0x5b670b7fefe5 in pymain_run_file /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:429:15    #44 0x5b670b7fd99d in pymain_run_python /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:691:21    #45 0x5b670b7fd99d in Py_RunMain /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:772:5    #46 0x5b670b7fe451 in pymain_main /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:802:12    #47 0x5b670b7fe5c3 in Py_BytesMain /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:826:12    #48 0x779d3a22a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16    #49 0x779d3a22a28a in __libc_start_main csu/../csu/libc-start.c:360:3previously allocated by thread T0 here:    #0 0x5b670b248f53 in malloc (/home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/python+0x261f53) (BuildId: 5de9d2fcbcd44bfc1b0fe256566d49ad35ca1d56)    #1 0x5b670b7040f8 in _PyObject_MallocWithType /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_object_alloc.h:46:17    #2 0x5b670b7040f8 in gc_alloc /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/gc.c:2343:17    #3 0x5b670b7040f8 in _PyObject_GC_NewVar /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/gc.c:2385:25    #4 0x5b670b71fbda in hamt_node_bitmap_new /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/hamt.c:508:12    #5 0x5b670b71fbda in hamt_node_bitmap_assoc /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/hamt.c:874:38    #6 0x5b670b719f91 in _PyHamt_Assoc /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/hamt.c:2222:16    #7 0x5b670b6c7140 in contextvar_set /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/context.c:795:30    #8 0x5b670b6c7140 in PyContextVar_Set /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/context.c:367:9    #9 0x5b670b6c9b13 in _PyObject_VectorcallTstate /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_call.h:169:11    #10 0x5b670b6c9b13 in context_run /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/context.c:728:29    #11 0x5b670b37ea3b in _PyObject_VectorcallTstate /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_call.h:169:11    #12 0x5b670b37ea3b in PyObject_Vectorcall /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Objects/call.c:327:12    #13 0x5b670b665837 in _PyEval_EvalFrameDefault /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/generated_cases.c.h:1620:35    #14 0x5b670b6463bb in _PyEval_EvalFrame /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/internal/pycore_ceval.h:121:16    #15 0x5b670b6463bb in _PyEval_Vector /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/ceval.c:2005:12    #16 0x5b670b6463bb in PyEval_EvalCode /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/ceval.c:888:21    #17 0x5b670b79d370 in run_eval_code_obj /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:1365:12    #18 0x5b670b79d370 in run_mod /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:1459:19    #19 0x5b670b79743c in pyrun_file /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:1293:15    #20 0x5b670b79743c in _PyRun_SimpleFileObject /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:521:13    #21 0x5b670b796b05 in _PyRun_AnyFileObject /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Python/pythonrun.c:81:15    #22 0x5b670b7fefe5 in pymain_run_file_obj /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:410:15    #23 0x5b670b7fefe5 in pymain_run_file /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:429:15    #24 0x5b670b7fd99d in pymain_run_python /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:691:21    #25 0x5b670b7fd99d in Py_RunMain /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:772:5    #26 0x5b670b7fe451 in pymain_main /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:802:12    #27 0x5b670b7fe5c3 in Py_BytesMain /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/Modules/main.c:826:12    #28 0x779d3a22a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16    #29 0x779d3a22a28a in __libc_start_main csu/../csu/libc-start.c:360:3    #30 0x5b670b1ae104 in _start (/home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/python+0x1c7104) (BuildId: 5de9d2fcbcd44bfc1b0fe256566d49ad35ca1d56)SUMMARY: AddressSanitizer: heap-use-after-free /home/jackfromeast/Desktop/entropy/tasks/reproducexx/targets/cpython-main/./Include/object.h:277:20 in _Py_TYPEShadow bytes around the buggy address:  0x5060000cfd00: 00 00 07 fa fa fa fa fa 00 00 00 00 00 00 00 00  0x5060000cfd80: fa fa fa fa 00 00 00 00 00 00 07 fa fa fa fa fa  0x5060000cfe00: 00 00 00 00 00 00 00 00 fa fa fa fa 00 00 00 00  0x5060000cfe80: 00 00 00 00 fa fa fa fa fd fd fd fd fd fd fd fa  0x5060000cff00: fa fa fa fa fd fd fd fd fd fd fd fd fa fa fa fa=>0x5060000cff80: fd fd fd[fd]fd fd fd fd fa fa fa fa fd fd fd fd  0x5060000d0000: fd fd fd fa fa fa fa fa fd fd fd fd fd fd fd fd  0x5060000d0080: fa fa fa fa 00 00 00 00 00 00 00 00 fa fa fa fa  0x5060000d0100: 00 00 00 00 00 00 00 fa fa fa fa fa fd fd fd fd  0x5060000d0180: fd fd fd fd fa fa fa fa 00 00 00 00 00 00 00 00  0x5060000d0200: fa fa fa fa 00 00 00 00 00 00 00 fa fa fa fa faShadow byte legend (one shadow byte represents 8 application bytes):  Addressable:           00  Partially addressable: 01 02 03 04 05 06 07   Heap left redzone:       fa  Freed heap region:       fd  Stack left redzone:      f1  Stack mid redzone:       f2  Stack right redzone:     f3  Stack after return:      f5  Stack use after scope:   f8  Global redzone:          f9  Global init order:       f6  Poisoned by user:        f7  Container overflow:      fc  Array cookie:            ac  Intra object redzone:    bb  ASan internal:           fe  Left alloca redzone:     ca  Right alloca redzone:    cb==1348779==ABORTING