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[marshal] diffoscope crash when loading PYC files: memory corruption #121112

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3.12only security fixesOS-mactype-crashA hard crash of the interpreter, possibly with a core dump
@jmroot

Description

@jmroot

Crash report

What happened?

Running diffoscope version 267 under Python 3.12.4, both installed via MacPorts on Intel macOS 14.5, segfaults when given two specific files as input.

% diffoscope tortoisehg-6.6.3_0.darwin_17.noarch.tbz2 tortoisehg-6.6.3_0.darwin_23.noarch.tbz2/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/python.py:124: DeprecationWarning: co_lnotab is deprecated, use co_lines instead.[many identical deprecation warnings omitted]zsh: segmentation fault  diffoscope tortoisehg-6.6.3_0.darwin_17.noarch.tbz2

The macOS crash report from the optimized build:

Process:               Python [57729]Path:                  /opt/local/Library/Frameworks/Python.framework/Versions/3.12/Resources/Python.app/Contents/MacOS/PythonIdentifier:            org.python.pythonVersion:               3.12.4 (3.12.4)Code Type:             X86-64 (Native)Parent Process:        zsh [826]Responsible:           Terminal [593]User ID:               501Date/Time:             2024-06-28 13:01:30.2352 +1000OS Version:            macOS 14.5 (23F79)Report Version:        12Bridge OS Version:     8.5 (21P5077)Anonymous UUID:        1535D773-66C6-A888-8912-6C090207B7D2Time Awake Since Boot: 210000 secondsSystem Integrity Protection: enabledCrashed Thread:        0  Dispatch queue: com.apple.main-threadException Type:        EXC_BAD_ACCESS (SIGSEGV)Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000100000000Exception Codes:       0x0000000000000001, 0x0000000100000000Termination Reason:    Namespace SIGNAL, Code 11 Segmentation fault: 11Terminating Process:   exc handler [57729]VM Region Info: 0x100000000 is not in any region.  Bytes before following region: 132931584      REGION TYPE                    START - END         [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL      UNUSED SPACE AT START--->        __TEXT                      107ec6000-107ec8000    [    8K] r-x/r-x SM=COW  /opt/local/Library/Frameworks/Python.framework/Versions/3.12/Resources/Python.app/Contents/MacOS/PythonID   Vend/Dev6318 73ff1002Seconds Ago   ID   Type   210000.0   6318 AttachThread 0 Crashed::  Dispatch queue: com.apple.main-thread0   Python                               0x108b4462b pymalloc_alloc + 751   Python                               0x108b44e9c _PyObject_Realloc + 2212   Python                               0x108b82c3c resize_compact + 1333   Python                               0x108b6fff6 _PyUnicodeWriter_Finish + 504   Python                               0x108b967e3 build_string + 8055   Python                               0x108b94830 do_string_format + 496   Python                               0x108af8fb2 method_vectorcall_VARARGS_KEYWORDS + 1607   Python                               0x108be3c45 _PyEval_EvalFrameDefault + 507318   Python                               0x108b056ed gen_send_ex2 + 1939   Python                               0x108b048a6 gen_iternext + 2510  Python                               0x108b141a9 list_extend + 56311  Python                               0x108ad36cc PySequence_Fast + 16812  Python                               0x108b7ccf2 PyUnicode_Join + 2813  Python                               0x108be55d9 _PyEval_EvalFrameDefault + 5727914  Python                               0x108ca1f08 starmap_next + 7415  Python                               0x108bd05f5 filter_next + 8416  Python                               0x108b141a9 list_extend + 56317  Python                               0x108be55d9 _PyEval_EvalFrameDefault + 5727918  Python                               0x108ca1f08 starmap_next + 7419  Python                               0x108bd05f5 filter_next + 8420  Python                               0x108b1417b list_extend + 51721  Python                               0x108af92b3 method_vectorcall_O + 9822  Python                               0x108be3c45 _PyEval_EvalFrameDefault + 5073123  Python                               0x108bd745e PyEval_EvalCode + 19724  Python                               0x108c3dfad run_eval_code_obj + 8325  Python                               0x108c3c24b run_mod + 10726  Python                               0x108c3b865 pyrun_file + 13327  Python                               0x108c3ad77 _PyRun_SimpleFileObject + 28728  Python                               0x108c3a9d9 _PyRun_AnyFileObject + 6629  Python                               0x108c5f468 pymain_run_file_obj + 18730  Python                               0x108c5f21f pymain_run_file + 8931  Python                               0x108c5e773 Py_RunMain + 91932  Python                               0x108c5ecf8 pymain_main + 37833  Python                               0x108c5edab Py_BytesMain + 4234  dyld                              0x7ff80ff51366 start + 1942Thread 0 crashed with X86 Thread State (64-bit):  rax: 0x0000000100000000  rbx: 0x0000000000000044  rcx: 0x000000010bc5c000  rdx: 0x000000010bd38000  rdi: 0x0000000108f2db88  rsi: 0x0000000000000045  rbp: 0x00007ff7b8038230  rsp: 0x00007ff7b80381f0   r8: 0x00007ff7b80383c8   r9: 0x00007ff7b8038410  r10: 0x00007ff7b8038408  r11: 0x0000000000023dfb  r12: 0x0000000000000008  r13: 0x0000000000000004  r14: 0x0000000108f2db88  r15: 0x0000000000000045  rip: 0x0000000108b4462b  rfl: 0x0000000000010203  cr2: 0x0000000100000000  Logical CPU:     8Error Code:      0x00000004 (no mapping for user data read)Trap Number:     14Thread 0 instruction stream:  48 03 0d de 5b 27 00 49-39 ce 49 89 ce 75 c9 eb  H...['.I9.I..u..  95 31 c0 eb a5 55 48 89-e5 41 57 41 56 41 55 41  .1...UH..AWAVAUA  54 53 48 83 ec 18 48 8d-86 ff fd ff ff 48 3d 00  TSH...H......H=.  fe ff ff 0f 82 ef 03 00-00 48 89 f3 49 89 fe ff  .........H..I...  cb 41 89 dd 41 c1 ed 04-47 8d 64 2d 00 4a 8b 0c  .A..A...G.d-.J..  e7 48 8b 51 10 48 39 d1-74 25 ff 01 48 8b 41 08  .H.Q.H9.t%..H.A. [48]8b 30 48 89 71 08 48-85 f6 0f 84 c7 00 00 00  H.0H.q.H........<==  48 83 c4 18 5b 41 5c 41-5d 41 5e 41 5f 5d c3 4d  H...[A\A]A^A_].M  8b be 18 02 00 00 4d 85-ff 0f 84 f6 00 00 00 49  ......M........I  8d 57 10 41 8b 47 10 48-89 c6 4d 39 bc c6 20 02  .W.A.G.H..M9.. .  00 00 75 0c 49 c7 84 f6-20 02 00 00 00 00 00 00  ..u.I... .......  83 f8 02 72 0b 8d 48 ff-4d 89 bc ce 20 02 00 00  ...r..H.M... ...Binary Images:       0x109257000 -        0x109261fff _elementtree.cpython-312-darwin.so (*) <520c1b88-efaf-3363-a4f7-1a0fbd6dbaff> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_elementtree.cpython-312-darwin.so       0x10923d000 -        0x10924afff _datetime.cpython-312-darwin.so (*) <327bf3d6-5bd1-339a-8157-53e63cfa20d2> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_datetime.cpython-312-darwin.so       0x1089a0000 -        0x1089a7fff pyexpat.cpython-312-darwin.so (*) <b87f814e-5174-3b49-a31c-25b9cbfe04b1> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/pyexpat.cpython-312-darwin.so       0x109215000 - 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       0x1084abfff _hashlib.cpython-312-darwin.so (*) <91b8dfc2-7d96-3249-8382-d9187607778f> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_hashlib.cpython-312-darwin.so       0x10951c000 -        0x109847fff libcrypto.3.dylib (*) <01f51df9-3af3-3f63-9649-951007d7ea42> /opt/local/libexec/*/libcrypto.3.dylib       0x1083f1000 -        0x1083f5fff select.cpython-312-darwin.so (*) <7fb1bddf-f4d5-3fc8-aa2a-ca2f177f005e> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/select.cpython-312-darwin.so       0x1083e0000 -        0x1083e2fff _posixsubprocess.cpython-312-darwin.so (*) <16853a68-4c10-3eb9-bc92-35c6efcd806d> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_posixsubprocess.cpython-312-darwin.so       0x10837d000 -        0x10837ffff fcntl.cpython-312-darwin.so (*) <ead4b123-f57c-3da9-9b40-6443d857179e> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/fcntl.cpython-312-darwin.so       0x108384000 -        0x108387fff _heapq.cpython-312-darwin.so (*) <9f734ca6-24b6-37b1-80fb-26af92f277c7> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_heapq.cpython-312-darwin.so       0x1083ce000 -        0x1083d3fff _json.cpython-312-darwin.so (*) <e2b0b848-ba41-3755-a24f-e0c4a3e97f32> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_json.cpython-312-darwin.so       0x108475000 -        0x108487fff _curses.cpython-312-darwin.so (*) <3fe1b8bd-79f7-319c-8c05-c765f5e1a43e> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_curses.cpython-312-darwin.so       0x1084e4000 -        0x108520fff libncurses.6.dylib (*) <dd0cd6d7-f512-3e01-9ad8-c124d222eb6c> /opt/local/lib/libncurses.6.dylib       0x10838c000 -        0x108395fff _sha2.cpython-312-darwin.so (*) <92862f99-320f-3057-bff8-cf400145bae7> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_sha2.cpython-312-darwin.so       0x108333000 -        0x108334fff _random.cpython-312-darwin.so (*) <d12ae3ca-898f-3344-afad-0dfec196fbb7> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_random.cpython-312-darwin.so       0x108359000 -        0x10835bfff _bisect.cpython-312-darwin.so (*) <ec5d5bd4-c66a-3143-af99-a1764cd86bc3> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_bisect.cpython-312-darwin.so       0x1083bc000 -        0x1083c6fff math.cpython-312-darwin.so (*) <2a3a750b-f558-3866-a309-c1cb4b3fb32e> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/math.cpython-312-darwin.so       0x10834e000 -        0x108353fff _lzma.cpython-312-darwin.so (*) <7cd66b36-32e5-3f8d-a1fc-9d01cc6b449b> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_lzma.cpython-312-darwin.so       0x108441000 -        0x108464fff liblzma.5.dylib (*) <0ca15e4a-e6de-3527-a0fd-e58795a0050e> /opt/local/lib/liblzma.5.dylib       0x108347000 -        0x108349fff _bz2.cpython-312-darwin.so (*) <759028c9-e080-3bda-a6cf-9fafcc010dac> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_bz2.cpython-312-darwin.so       0x10839c000 -        0x1083affff libbz2.1.0.8.dylib (*) <ad83246e-d77e-3baa-b1de-f32a3dd2b451> /opt/local/lib/libbz2.1.0.8.dylib       0x10833a000 -        0x108340fff zlib.cpython-312-darwin.so (*) <034f4532-cf9a-35c0-89df-a88990a26fac> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/zlib.cpython-312-darwin.so       0x108361000 -        0x108374fff libz.1.3.1.dylib (*) <6547b625-57be-3910-b55e-b719eee2ccee> /opt/local/lib/libz.1.3.1.dylib       0x108a8e000 -        0x108db9fff org.python.python (3.12.4, (c) 2001-2023 Python Software Foundation.) <249baf03-d9dc-30a2-8c2a-9641bbff2cda> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/Python       0x108301000 -        0x108318fff libintl.8.dylib (*) <8503304b-6a8a-352e-a6a2-ea1065f969ff> /opt/local/lib/libintl.8.dylib       0x108559000 -        0x10865cfff libiconv.2.dylib (*) <b9d201c0-9016-3263-a13f-b53932a23e2c> /opt/local/lib/libiconv.2.dylib       0x107ec6000 -        0x107ec7fff org.python.python (3.12.4) <e9d42889-4391-3528-8f89-020f12fa51c2> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/Resources/Python.app/Contents/MacOS/Python    0x7ff80ff4b000 -     0x7ff80ffdbb9f dyld (*) <baa6f02e-dff3-3562-8c99-ea2820c91ad9> /usr/lib/dyld               0x0 - 0xffffffffffffffff ??? (*) <00000000-0000-0000-0000-000000000000> ???External Modification Summary:  Calls made by other processes targeting this process:    task_for_pid: 0    thread_create: 0    thread_set_state: 0  Calls made by this process:    task_for_pid: 0    thread_create: 0    thread_set_state: 0  Calls made by all processes on this machine:    task_for_pid: 0    thread_create: 0    thread_set_state: 0VM Region Summary:ReadOnly portion of Libraries: Total=355.9M resident=0K(0%) swapped_out_or_unallocated=355.9M(100%)Writable regions: Total=2.1G written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=2.1G(100%)                                VIRTUAL   REGION REGION TYPE                        SIZE    COUNT (non-coalesced) ===========                     =======  ======= Kernel Alloc Once                    8K        1 MALLOC                             2.1G       47 MALLOC guard page                   24K        6 STACK GUARD                          4K        1 Stack                             16.0M        1 VM_ALLOCATE                       14.0M       15 __DATA                            4937K      189 __DATA_CONST                      7636K      151 __DATA_DIRTY                       343K       58 __LINKEDIT                       184.6M       52 __OBJC_RO                         71.8M        1 __OBJC_RW                         2200K        3 __TEXT                           171.2M      206 dyld private memory                260K        2 mapped file                       40.6M        3 shared memory                       28K        4 ===========                     =======  ======= TOTAL                              2.6G      740

Using a debug build (--with-pydebug --with-assertions --with-address-sanitizer --with-undefined-behavior-sanitizer) gives this additional output:

Debug memory block at address p=0x6080008747b0: API 'o'    65 bytes originally requested    The 7 pad bytes at p-7 are FORBIDDENBYTE, as expected.    The 8 pad bytes at tail=0x6080008747f1 are not all FORBIDDENBYTE (0xfd):        at tail+0: 0x00 *** OUCH        at tail+1: 0x00 *** OUCH        at tail+2: 0x00 *** OUCH        at tail+3: 0xfd        at tail+4: 0xfd        at tail+5: 0xfd        at tail+6: 0xfd        at tail+7: 0xfd    Data at p: 00 00 00 00 00 00 00 00 ... 00 00 00 00 00 00 00 00Enable tracemalloc to get the memory block allocation tracebackFatal Python error: _PyMem_DebugRawFree: bad trailing pad bytePython runtime state: initializedCurrent thread 0x00007ff85381dfc0 (most recent call first):  File "<shim>", line ??? in <interpreter trampoline>  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/python.py", line 66 in describe_pyc  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/python.py", line 52 in compare_details  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/file.py", line 433 in _compare_using_details  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/file.py", line 532 in compare  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/compare.py", line 149 in compare_files  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/container.py", line 197 in compare_pair  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/file.py", line 467 in _compare_using_details  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/file.py", line 532 in compare  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/compare.py", line 149 in compare_files  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/container.py", line 197 in compare_pair  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/file.py", line 467 in _compare_using_details  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/file.py", line 532 in compare  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/compare.py", line 149 in compare_files  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/comparators/utils/compare.py", line 69 in compare_root_paths  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/main.py", line 718 in run_diffoscope  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/diffoscope/main.py", line 767 in main  File "/opt/local/bin/diffoscope", line 8 in <module>

The crash report when using the debug build:

Process:               Python [57513]Path:                  /opt/local/Library/Frameworks/Python.framework/Versions/3.12/Resources/Python.app/Contents/MacOS/PythonIdentifier:            org.python.pythonVersion:               3.12.4 (3.12.4)Code Type:             X86-64 (Native)Parent Process:        zsh [826]Responsible:           Terminal [593]User ID:               501Date/Time:             2024-06-28 12:49:57.8688 +1000OS Version:            macOS 14.5 (23F79)Report Version:        12Bridge OS Version:     8.5 (21P5077)Anonymous UUID:        1535D773-66C6-A888-8912-6C090207B7D2Time Awake Since Boot: 210000 secondsSystem Integrity Protection: enabledCrashed Thread:        0  Dispatch queue: com.apple.main-threadException Type:        EXC_CRASH (SIGABRT)Exception Codes:       0x0000000000000000, 0x0000000000000000Termination Reason:    Namespace SIGNAL, Code 6 Abort trap: 6Terminating Process:   Python [57513]ID   Vend/Dev6318 73ff1002Seconds Ago   ID   Type   210000.0   6318 AttachApplication Specific Information:abort() calledThread 0 Crashed::  Dispatch queue: com.apple.main-thread0   libsystem_kernel.dylib            0x7ff8102a414a __pthread_kill + 101   libsystem_pthread.dylib           0x7ff8102dcebd pthread_kill + 2622   libsystem_c.dylib                 0x7ff810202a79 abort + 1263   Python                               0x10e1c731f fatal_error_exit + 31 (pylifecycle.c:2737)4   Python                               0x10e1c702c fatal_error + 876 (pylifecycle.c:2918)5   Python                               0x10e1c5f51 _Py_FatalErrorFunc + 129 (pylifecycle.c:2934)6   Python                               0x10da4bf57 _PyMem_DebugCheckAddress + 775 (obmalloc.c:2349)7   Python                               0x10da4ba71 _PyMem_DebugRawFree + 241 (obmalloc.c:2159)8   Python                               0x10da4ccf9 _PyMem_DebugFree + 41 (obmalloc.c:2296)9   Python                               0x10da4b1ea PyObject_Free + 570 (obmalloc.c:830)10  Python                               0x10daaa9c9 object_dealloc + 185 (typeobject.c:5516)11  Python                               0x10da43fe4 _Py_Dealloc + 420 (object.c:2625)12  Python                               0x10d8635c8 Py_DECREF + 440 (object.h:690)13  Python                               0x10d847f9c Py_XDECREF + 44 (object.h:798)14  Python                               0x10d85acd1 code_dealloc + 3409 (codeobject.c:1735)15  Python                               0x10da43fe4 _Py_Dealloc + 420 (object.c:2625)16  Python                               0x10da89bd8 Py_DECREF + 440 (object.h:690)17  Python                               0x10da88a9c Py_XDECREF + 44 (object.h:798)18  Python                               0x10da8a02d tupledealloc + 637 (tupleobject.c:206)19  Python                               0x10da43fe4 _Py_Dealloc + 420 (object.c:2625)20  Python                               0x10d8635c8 Py_DECREF + 440 (object.h:690)21  Python                               0x10d847f9c Py_XDECREF + 44 (object.h:798)22  Python                               0x10d85a4e4 code_dealloc + 1380 (codeobject.c:1725)23  Python                               0x10da43fe4 _Py_Dealloc + 420 (object.c:2625)24  Python                               0x10e0a1e28 Py_DECREF + 440 (object.h:690)25  Python                               0x10e0a1c5c Py_XDECREF + 44 (object.h:798)26  Python                               0x10e0a25d4 _PyFrame_ClearLocals + 852 (frame.c:125)27  Python                               0x10e0a2d2f _PyFrame_ClearExceptCode + 1503 (frame.c:150)28  Python                               0x10def0144 clear_gen_frame + 2260 (ceval.c:1565)29  Python                               0x10dedd44b _PyEvalFrameClearAndPop + 235 (ceval.c:1577)30  Python                               0x10de73cb2 _PyEval_EvalFrameDefault + 113346 (bytecodes.c:686)31  Python                               0x10d8e1051 _PyEval_EvalFrame + 353 (pycore_ceval.h:89)32  Python                               0x10d8dfde7 gen_send_ex2 + 3415 (genobject.c:230)33  Python                               0x10d8d6675 gen_iternext + 373 (genobject.c:605)34  Python                               0x10d93e15d list_extend + 2285 (listobject.c:944)35  Python                               0x10d93d85d _PyList_Extend + 29 (listobject.c:982)36  Python                               0x10d7bf145 PySequence_List + 101 (abstract.c:2121)37  Python                               0x10d7bf30a PySequence_Fast + 346 (abstract.c:2152)38  Python                               0x10dbb2093 PyUnicode_Join + 35 (unicodeobject.c:9547)39  Python                               0x10dc7fecd unicode_join + 29 (unicodeobject.c:11727)40  Python                               0x10dec8902 _PyEval_EvalFrameDefault + 460562 (bytecodes.c:3093)41  Python                               0x10de57ba1 _PyEval_EvalFrame + 353 (pycore_ceval.h:89)42  Python                               0x10de5778d _PyEval_Vector + 477 (ceval.c:1683)43  Python                               0x10d832b08 _PyFunction_Vectorcall + 744 (call.c:419)44  Python                               0x10d831dcd _PyVectorcall_Call + 669 (call.c:271)45  Python                               0x10d83239f _PyObject_Call + 495 (call.c:354)46  Python                               0x10d832532 PyObject_Call + 50 (call.c:379)47  Python                               0x10e523413 starmap_next + 675 (itertoolsmodule.c:1979)48  Python                               0x10de3b375 filter_next + 725 (bltinmodule.c:583)49  Python                               0x10d93e15d list_extend + 2285 (listobject.c:944)50  Python                               0x10dec8902 _PyEval_EvalFrameDefault + 460562 (bytecodes.c:3093)51  Python                               0x10de57ba1 _PyEval_EvalFrame + 353 (pycore_ceval.h:89)52  Python                               0x10de5778d _PyEval_Vector + 477 (ceval.c:1683)53  Python                               0x10d832b08 _PyFunction_Vectorcall + 744 (call.c:419)54  Python                               0x10d831dcd _PyVectorcall_Call + 669 (call.c:271)55  Python                               0x10d83239f _PyObject_Call + 495 (call.c:354)56  Python                               0x10d832532 PyObject_Call + 50 (call.c:379)57  Python                               0x10e523413 starmap_next + 675 (itertoolsmodule.c:1979)58  Python                               0x10de3b375 filter_next + 725 (bltinmodule.c:583)59  Python                               0x10d93e15d list_extend + 2285 (listobject.c:944)60  Python                               0x10d883ed4 method_vectorcall_O + 532 (descrobject.c:482)61  Python                               0x10d82f0a5 _PyObject_VectorcallTstate + 421 (pycore_call.h:92)62  Python                               0x10d83212a PyObject_Vectorcall + 58 (call.c:325)63  Python                               0x10debac07 _PyEval_EvalFrameDefault + 403991 (bytecodes.c:2714)64  Python                               0x10de57ba1 _PyEval_EvalFrame + 353 (pycore_ceval.h:89)65  Python                               0x10de5778d _PyEval_Vector + 477 (ceval.c:1683)66  Python                               0x10de5746f PyEval_EvalCode + 1375 (ceval.c:578)67  Python                               0x10e281b79 run_eval_code_obj + 681 (pythonrun.c:1722)68  Python                               0x10e27706a run_mod + 202 (pythonrun.c:1743)69  Python                               0x10e2739bf pyrun_file + 191 (pythonrun.c:1643)70  Python                               0x10e27140e _PyRun_SimpleFileObject + 1230 (pythonrun.c:433)71  Python                               0x10e270409 _PyRun_AnyFileObject + 185 (pythonrun.c:78)72  Python                               0x10e37ecb5 pymain_run_file_obj + 1173 (main.c:360)73  Python                               0x10e37d37e pymain_run_file + 670 (main.c:379)74  Python                               0x10e37aeff pymain_run_python + 5407 (main.c:629)75  Python                               0x10e379786 Py_RunMain + 278 (main.c:709)76  Python                               0x10e37b7f5 pymain_main + 757 (main.c:739)77  Python                               0x10e37ba8e Py_BytesMain + 494 (main.c:763)78  Python                               0x10a6aef72 0x10a6ad000 + 805079  dyld                              0x7ff80ff51366 start + 1942Thread 0 crashed with X86 Thread State (64-bit):  rax: 0x0000000000000000  rbx: 0x0000000000000006  rcx: 0x00007ff7b581fa18  rdx: 0x0000000000000000  rdi: 0x0000000000000103  rsi: 0x0000000000000006  rbp: 0x00007ff7b581fa40  rsp: 0x00007ff7b581fa18   r8: 0x00001ffef6b03f48   r9: 0x0000000000000000  r10: 0x0000000000000000  r11: 0x0000000000000246  r12: 0x0000000000000103  r13: 0x0000000000000000  r14: 0x00007ff85381dfc0  r15: 0x0000000000000016  rip: 0x00007ff8102a414a  rfl: 0x0000000000000246  cr2: 0x0000000000000000  Logical CPU:     0Error Code:      0x02000148 Trap Number:     133Binary Images:       0x1115ef000 -        0x11163efff _elementtree.cpython-312d-darwin.so (*) <87abd5ba-ce9c-39a6-af56-ed4cc6cb290e> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_elementtree.cpython-312d-darwin.so       0x111785000 -        0x1117dbfff _datetime.cpython-312d-darwin.so (*) <2fe1439c-492a-3eaf-9f51-9b8f90add038> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_datetime.cpython-312d-darwin.so       0x10d243000 -        0x10d264fff pyexpat.cpython-312d-darwin.so (*) <ae8ef261-4c9d-37fc-8cba-5926a9051ac3> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/pyexpat.cpython-312d-darwin.so       0x10d10e000 -        0x10d129fff libexpat.1.9.2.dylib (*) <f4891366-5776-3908-8ebb-4725998434c3> /opt/local/lib/libexpat.1.9.2.dylib       0x10a7a7000 -        0x10a7a8fff _uuid.cpython-312d-darwin.so (*) <86bf351c-d8be-34f2-88ed-167579126151> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_uuid.cpython-312d-darwin.so       0x10d151000 -        0x10d1dcfff libarchive.13.dylib (*) <88517cd2-ef65-3864-8983-930d441f34b0> /opt/local/lib/libarchive.13.dylib       0x10cd24000 -        0x10cd3ffff liblzo2.2.dylib (*) <305437be-f124-365c-9d7c-e9d236bd10a6> /opt/local/lib/liblzo2.2.dylib       0x10ce2a000 -        0x10ce49fff liblz4.1.9.4.dylib (*) <28e8eabe-f9ef-3635-9796-8551550c48f9> /opt/local/lib/liblz4.1.9.4.dylib       0x10c7e0000 -        0x10c7e7fff libb2.1.dylib (*) <0560357e-4a5d-39b9-87c2-456b31b8eb86> /opt/local/lib/libb2.1.dylib       0x111679000 -        0x11174cfff libxml2.2.dylib (*) <caad2c42-4285-3d76-9c80-4836f3980386> /opt/local/lib/libxml2.2.dylib       0x111a33000 -        0x111bbafff libicui18n.74.2.dylib (*) <890d4e26-14f7-3bfd-8830-834afdbd8ecb> /opt/local/lib/libicui18n.74.2.dylib       0x111ce3000 -        0x111e0efff libicuuc.74.2.dylib (*) <6740f319-9f3c-3f83-a141-ce33c79f55bc> /opt/local/lib/libicuuc.74.2.dylib       0x113bf4000 -        0x115953fff libicudata.74.2.dylib (*) <8ec9a33c-2c4d-334f-928a-96c8774f790f> /opt/local/lib/libicudata.74.2.dylib       0x10cd01000 -        0x10cd14fff mmap.cpython-312d-darwin.so (*) <a48ee8e9-d1ec-32e9-9db5-b1733a004e36> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/mmap.cpython-312d-darwin.so       0x10cb4c000 -        0x10cb67fff libmagic.1.dylib (*) <9bad6e67-0756-314d-8818-39ff6ed3e940> /opt/local/lib/libmagic.1.dylib       0x10cd82000 -        0x10ce15fff libzstd.1.5.6.dylib (*) <ee8538ea-ec8a-3f2c-91b4-24fcbc3977fb> /opt/local/lib/libzstd.1.5.6.dylib       0x10cfd4000 -        0x10d052fff _ctypes.cpython-312d-darwin.so (*) <5d336ea2-2f33-3329-9476-eed227e9d809> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_ctypes.cpython-312d-darwin.so       0x10c738000 -        0x10c73ffff libffi.8.dylib (*) <36b79279-46ab-3794-849c-d0edb954693f> /opt/local/lib/libffi.8.dylib       0x10ce59000 -        0x10cfbafff unicodedata.cpython-312d-darwin.so (*) <fbb8d225-6e9f-3eec-a179-3842b76db1c3> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/unicodedata.cpython-312d-darwin.so       0x10a7a0000 -        0x10a7a2fff _opcode.cpython-312d-darwin.so (*) <a2f26edf-0278-3d4c-8b57-411449f5a17b> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_opcode.cpython-312d-darwin.so       0x10c715000 -        0x10c728fff binascii.cpython-312d-darwin.so (*) <719d872d-b3dc-34e1-ac7d-f02e2ed989fc> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/binascii.cpython-312d-darwin.so       0x10a9bc000 -        0x10a9c4fff _queue.cpython-312d-darwin.so (*) <d55f3e31-de43-3428-be53-94c2c2e27274> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_queue.cpython-312d-darwin.so       0x10cb00000 -        0x10cb2bfff array.cpython-312d-darwin.so (*) <dc06a53c-79c0-34c3-8367-9e0fa0081397> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/array.cpython-312d-darwin.so       0x10cc6e000 -        0x10ccabfff _socket.cpython-312d-darwin.so (*) <891cd0f6-b18a-3704-a1bf-0701e891c331> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_socket.cpython-312d-darwin.so       0x10cbb7000 -        0x10cc2efff _pickle.cpython-312d-darwin.so (*) <94714b05-2e0d-3891-8e6c-ddd6ab5b65f4> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_pickle.cpython-312d-darwin.so       0x10afbd000 -        0x10afddfff _struct.cpython-312d-darwin.so (*) <19c9421a-6863-35ba-a0ad-5a3727516ff5> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_struct.cpython-312d-darwin.so       0x10c758000 -        0x10c786fff _blake2.cpython-312d-darwin.so (*) <52b31d9e-add3-35bf-ae60-b0c97596d5af> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_blake2.cpython-312d-darwin.so       0x10aff7000 -        0x10b013fff _hashlib.cpython-312d-darwin.so (*) <22b4a6c9-25bf-359f-b427-e0d0f6c64775> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_hashlib.cpython-312d-darwin.so       0x1100ed000 -        0x110418fff libcrypto.3.dylib (*) <01f51df9-3af3-3f63-9649-951007d7ea42> /opt/local/libexec/*/libcrypto.3.dylib       0x10aaab000 -        0x10aac1fff select.cpython-312d-darwin.so (*) <dbae4518-a6f9-3f84-bb67-6b7061e8546f> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/select.cpython-312d-darwin.so       0x10a996000 -        0x10a99efff _posixsubprocess.cpython-312d-darwin.so (*) <e9c67967-2a5b-3df5-821a-d7b27fcb2181> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_posixsubprocess.cpython-312d-darwin.so       0x10a7fd000 -        0x10a803fff fcntl.cpython-312d-darwin.so (*) <a99a672c-41a4-3609-baca-50d939c44454> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/fcntl.cpython-312d-darwin.so       0x10a85d000 -        0x10a865fff _heapq.cpython-312d-darwin.so (*) <6e35a5b4-3741-3518-8312-2e96e18778f9> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_heapq.cpython-312d-darwin.so       0x10a966000 -        0x10a982fff _json.cpython-312d-darwin.so (*) <b909179f-c49c-3652-986a-102875b402cf> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_json.cpython-312d-darwin.so       0x10a9e1000 -        0x10aa20fff _curses.cpython-312d-darwin.so (*) <12f0eefc-92a5-3342-8bd9-98db89abe04b> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_curses.cpython-312d-darwin.so       0x10aa5c000 -        0x10aa98fff libncurses.6.dylib (*) <dd0cd6d7-f512-3e01-9ad8-c124d222eb6c> /opt/local/lib/libncurses.6.dylib       0x10ae71000 -        0x10af65fff _sha2.cpython-312d-darwin.so (*) <05dfe7f4-95c2-3f8d-9cd2-67e72fc707cd> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_sha2.cpython-312d-darwin.so       0x10a84c000 -        0x10a853fff _random.cpython-312d-darwin.so (*) <48a1c81f-5c08-3369-97a2-1f719b9dbdee> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_random.cpython-312d-darwin.so       0x10a7ee000 -        0x10a7f5fff _bisect.cpython-312d-darwin.so (*) <9af63420-3feb-31ad-9338-436166beee99> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_bisect.cpython-312d-darwin.so       0x10a924000 -        0x10a94bfff math.cpython-312d-darwin.so (*) <dd7df02d-f682-3937-bbbf-b9482d434028> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/math.cpython-312d-darwin.so       0x10a87d000 -        0x10a897fff _lzma.cpython-312d-darwin.so (*) <85e29cab-5be5-3674-b123-d7dc70a23ca0> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_lzma.cpython-312d-darwin.so       0x10a8ae000 -        0x10a8d1fff liblzma.5.dylib (*) <0ca15e4a-e6de-3527-a0fd-e58795a0050e> /opt/local/lib/liblzma.5.dylib       0x10a80d000 -        0x10a81dfff _bz2.cpython-312d-darwin.so (*) <5521d60e-ead5-384b-93db-0216cba0b0f1> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_bz2.cpython-312d-darwin.so       0x10a82c000 -        0x10a83ffff libbz2.1.0.8.dylib (*) <ad83246e-d77e-3baa-b1de-f32a3dd2b451> /opt/local/lib/libbz2.1.0.8.dylib       0x10a7ac000 -        0x10a7d2fff zlib.cpython-312d-darwin.so (*) <62b47845-1e2f-358d-acd3-a7c73f17a493> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/zlib.cpython-312d-darwin.so       0x10a784000 -        0x10a797fff libz.1.3.1.dylib (*) <6547b625-57be-3910-b55e-b719eee2ccee> /opt/local/lib/libz.1.3.1.dylib       0x10d296000 -        0x10e95dfff org.python.python (3.12.4, (c) 2001-2023 Python Software Foundation.) <cc749d46-4066-3e71-be89-8dc679dd76c6> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/Python       0x10a6d7000 -        0x10a6eefff libintl.8.dylib (*) <8503304b-6a8a-352e-a6a2-ea1065f969ff> /opt/local/lib/libintl.8.dylib       0x10b03c000 -        0x10b16afff libclang_rt.asan_osx_dynamic.dylib (*) <b6625699-be3f-3ec9-a61f-e185dfe07d8c> /Library/Developer/CommandLineTools/usr/lib/clang/15.0.0/lib/darwin/libclang_rt.asan_osx_dynamic.dylib       0x10ad59000 -        0x10ae5cfff libiconv.2.dylib (*) <b9d201c0-9016-3263-a13f-b53932a23e2c> /opt/local/lib/libiconv.2.dylib       0x10a6ad000 -        0x10a6aefff org.python.python (3.12.4) <8edc560b-69b2-328a-9833-fade1a70eed1> /opt/local/Library/Frameworks/Python.framework/Versions/3.12/Resources/Python.app/Contents/MacOS/Python    0x7ff81029c000 -     0x7ff8102d6ff7 libsystem_kernel.dylib (*) <13597eeb-2ea0-3d48-8be1-dfc4872a784b> /usr/lib/system/libsystem_kernel.dylib    0x7ff8102d7000 -     0x7ff8102e2ff7 libsystem_pthread.dylib (*) <25b2f3eb-07b4-3cb9-9457-2c26210c27c8> /usr/lib/system/libsystem_pthread.dylib    0x7ff810183000 -     0x7ff81020aff7 libsystem_c.dylib (*) <93fb3816-608b-33af-83d2-209b4bd673ad> /usr/lib/system/libsystem_c.dylib    0x7ff80ff4b000 -     0x7ff80ffdbb9f dyld (*) <baa6f02e-dff3-3562-8c99-ea2820c91ad9> /usr/lib/dyld               0x0 - 0xffffffffffffffff ??? (*) <00000000-0000-0000-0000-000000000000> ???External Modification Summary:  Calls made by other processes targeting this process:    task_for_pid: 0    thread_create: 0    thread_set_state: 0  Calls made by this process:    task_for_pid: 0    thread_create: 0    thread_set_state: 0  Calls made by all processes on this machine:    task_for_pid: 0    thread_create: 0    thread_set_state: 0VM Region Summary:ReadOnly portion of Libraries: Total=387.3M resident=0K(0%) swapped_out_or_unallocated=387.3M(100%)Writable regions: Total=14.0T written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=14.0T(100%)                                VIRTUAL   REGION REGION TYPE                        SIZE    COUNT (non-coalesced) ===========                     =======  ======= Kernel Alloc Once                    8K        1 MALLOC                             132K        6 MALLOC guard page                   24K        6 STACK GUARD                          4K        1 Sanitizer                          6.0T     4663 Sanitizer (reserved)              14.0T      128         reserved VM address space (unallocated)Stack                             64.0M        1 __DATA                            23.5M      191 __DATA_CONST                      7772K      152 __DATA_DIRTY                       343K       58 __LINKEDIT                       190.9M       53 __OBJC_RO                         71.8M        1 __OBJC_RW                         2200K        3 __TEXT                           196.4M      207 dyld private memory                260K        2 mapped file                       40.6M        4 shared memory                       28K        4 ===========                     =======  ======= TOTAL                             20.0T     5481 TOTAL, minus reserved VM space     6.0T     5481

The two .tbz2 files are attached (in a zip file to appease github.)
Testcase.zip

CPython versions tested on:

3.12

Operating systems tested on:

macOS

Output from running 'python -VV' on the command line:

Python 3.12.4 (main, Jun 8 2024, 03:35:50) [Clang 15.0.0 (clang-1500.3.9.4)]

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    3.12only security fixesOS-mactype-crashA hard crash of the interpreter, possibly with a core dump

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