Issue 45289: test_dbm and test_dbm_ndbm segfaults in M1 Mac (original) (raw)
0:04:14 load avg: 3.86 [141/427/1] test_dbm crashed (Exit code -11) Fatal Python error: Segmentation fault Current thread 0x0000000102e2bd40 (most recent call first): File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/test_dbm.py", line 58 in keys_helper File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/test_dbm.py", line 143 in read_helper File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/test_dbm.py", line 74 in test_anydbm_creation File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/unittest/case.py", line 547 in _callTestMethod File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/unittest/case.py", line 591 in run File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/unittest/case.py", line 646 in call File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/unittest/suite.py", line 122 in run File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/unittest/suite.py", line 84 in call File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/unittest/suite.py", line 122 in run File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/unittest/suite.py", line 84 in call File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/unittest/suite.py", line 122 in run File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/unittest/suite.py", line 84 in call File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/unittest/runner.py", line 197 in run File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/support/init.py", line 992 in _run_suite File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/support/init.py", line 1118 in run_unittest File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/libregrtest/runtest.py", line 261 in _test_module File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/libregrtest/runtest.py", line 297 in _runtest_inner2 File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/libregrtest/runtest.py", line 340 in _runtest_inner File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/libregrtest/runtest.py", line 202 in _runtest File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/libregrtest/runtest.py", line 245 in runtest File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/libregrtest/runtest_mp.py", line 83 in run_tests_worker File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/libregrtest/main.py", line 678 in _main File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/libregrtest/main.py", line 658 in main File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/libregrtest/main.py", line 736 in main File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/regrtest.py", line 43 in _main File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/regrtest.py", line 47 in File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/runpy.py", line 86 in _run_code File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/runpy.py", line 196 in _run_module_as_main Extension modules: testcapi (total: 1) 0:04:15 load avg: 3.87 [142/427/1] test_c
The backtrace according to lldb:
(lldb) bt
- thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x10365c000)
- frame #0: 0x0000000182bc6994 libsystem_platform.dylib
_platform_memmove + 84 frame #1: 0x00000001000b71d0 python.exePyBytes_FromStringAndSize(str="c", size=4294967297) at bytesobject.c:165:5 frame #2: 0x000000010360b234 _dbm.cpython-311d-darwin.so_dbm_dbm_keys_impl(self=0x00000001034b3ca0, cls=0x000000010088a580) at _dbmmodule.c:249:16 frame #3: 0x000000010360af34 _dbm.cpython-311d-darwin.so_dbm_dbm_keys(self=0x00000001034b3ca0, cls=0x000000010088a580, args=0x00000001007991d8, nargs=0, kwnames=0x0000000000000000) at _dbmmodule.c.h:46:20 frame #4: 0x00000001000dca8c python.exemethod_vectorcall_FASTCALL_KEYWORDS_METHOD(func=0x00000001034db290, args=0x00000001007991d0, nargsf=9223372036854775809, kwnames=0x0000000000000000) at descrobject.c:367:24 frame #5: 0x0000000100252374 python.exe_PyObject_VectorcallTstate(tstate=0x0000000100808b30, callable=0x00000001034db290, args=0x00000001007991d0, nargsf=9223372036854775809, kwnames=0x0000000000000000) at abstract.h:114:11 frame #6: 0x000000010024fc10 python.exePyObject_Vectorcall(callable=0x00000001034db290, args=0x00000001007991d0, nargsf=9223372036854775809, kwnames=0x0000000000000000) at abstract.h:123:12 frame #7: 0x000000010024fd70 python.execall_function(tstate=0x0000000100808b30, pp_stack=0x000000016fdc8aa0, oparg=1, kwnames=0x0000000000000000, use_tracing=0) at ceval.c:6418:13 frame #8: 0x000000010024a518 python.exe_PyEval_EvalFrameDefault(tstate=0x0000000100808b30, frame=0x0000000100799150, throwflag=0) at ceval.c:4568:19 frame #9: 0x000000010023a0f0 python.exe_PyEval_EvalFrame(tstate=0x0000000100808b30, frame=0x0000000100799150, throwflag=0) at pycore_ceval.h:46:12 frame #10: 0x000000010023a00c python.exe_PyEval_Vector(tstate=0x0000000100808b30, con=0x00000001034e0320, locals=0x0000000000000000, args=0x0000000100799118, argcount=2, kwnames=0x0000000000000000) at ceval.c:5609:24 frame #11: 0x00000001000ccbe4 python.exe_PyFunction_Vectorcall(func=0x00000001034e0310, stack=0x0000000100799118, nargsf=9223372036854775810, kwnames=0x0000000000000000) at call.c:342:16 frame #12: 0x0000000100252374 python.exe_PyObject_VectorcallTstate(tstate=0x0000000100808b30, callable=0x00000001034e0310, args=0x0000000100799118, nargsf=9223372036854775810, kwnames=0x0000000000000000) at abstract.h:114:11 frame #13: 0x000000010024fc10 python.exePyObject_Vectorcall(callable=0x00000001034e0310, args=0x0000000100799118, nargsf=9223372036854775810, kwnames=0x0000000000000000) at abstract.h:123:12 frame #14: 0x000000010024fd70 python.execall_function(tstate=0x0000000100808b30, pp_stack=0x000000016fdca950, oparg=2, kwnames=0x0000000000000000, use_tracing=0) at ceval.c:6418:13 frame #15: 0x000000010024a518 python.exe_PyEval_EvalFrameDefault(tstate=0x0000000100808b30, frame=0x00000001007990a8, throwflag=0) at ceval.c:4568:19 frame #16: 0x000000010023a0f0 python.exe_PyEval_EvalFrame(tstate=0x0000000100808b30, frame=0x00000001007990a8, throwflag=0) at pycore_ceval.h:46:12 frame #17: 0x000000010023a00c python.exe_PyEval_Vector(tstate=0x0000000100808b30, con=0x00000001034e0c10, locals=0x0000000000000000, args=0x0000000100799080, argcount=2, kwnames=0x0000000000000000) at ceval.c:5609:24 frame #18: 0x00000001000ccbe4 python.exe_PyFunction_Vectorcall(func=0x00000001034e0c00, stack=0x0000000100799080, nargsf=9223372036854775810, kwnames=0x0000000000000000) at call.c:342:16 frame #19: 0x0000000100252374 python.exe_PyObject_VectorcallTstate(tstate=0x0000000100808b30, callable=0x00000001034e0c00, args=0x0000000100799080, nargsf=9223372036854775810, kwnames=0x0000000000000000) at abstract.h:114:11 frame #20: 0x000000010024fc10 python.exePyObject_Vectorcall(callable=0x00000001034e0c00, args=0x0000000100799080, nargsf=9223372036854775810, kwnames=0x0000000000000000) at abstract.h:123:12 frame #21: 0x000000010024fd70 python.execall_function(tstate=0x0000000100808b30, pp_stack=0x000000016fdcc800, oparg=2, kwnames=0x0000000000000000, use_tracing=0) at ceval.c:6418:13 frame #22: 0x000000010024a518 python.exe_PyEval_EvalFrameDefault(tstate=0x0000000100808b30, frame=0x0000000100799018, throwflag=0) at ceval.c:4568:19 frame #23: 0x000000010023a0f0 python.exe_PyEval_EvalFrame(tstate=0x0000000100808b30, frame=0x0000000100799018, throwflag=0) at pycore_ceval.h:46:12 frame #24: 0x000000010023a00c python.exe`_PyEval_Vector(tstate=0x0000000100808b30, con=0x00000001034e0530, locals=0x0000000000000000, args=0x0000000100798ff0, argcount=1, kwnames=0x0000000000000000) at ceval.c:5609:24 ......
- frame #0: 0x0000000182bc6994 libsystem_platform.dylib
The last 3 frames:
frame #1: 0x00000001000b71d0 python.exePyBytes_FromStringAndSize(str="c", size=4294967297) at bytesobject.c:165:5 162 if (str == NULL) 163 return (PyObject *) op; 164 -> 165 memcpy(op->ob_sval, str, size); 166 /* share short strings */ 167 if (size == 1) { 168 struct _Py_bytes_state *state = get_bytes_state(); (lldb) frame #2: 0x000000010360b234 _dbm.cpython-311d-darwin.so_dbm_dbm_keys_impl(self=0x00000001034b3ca0, cls=0x000000010088a580) at _dbmmodule.c:249:16
246 }
247 for (key = dbm_firstkey(self->di_dbm); key.dptr;
248 key = dbm_nextkey(self->di_dbm)) {
-> 249 item = PyBytes_FromStringAndSize(key.dptr, key.dsize);
250 if (item == NULL) {
251 Py_DECREF(v);
252 return NULL;
(lldb)
frame #3: 0x000000010360af34 _dbm.cpython-311d-darwin.so`_dbm_dbm_keys(self=0x00000001034b3ca0, cls=0x000000010088a580, args=0x00000001007991d8, nargs=0, kwnames=0x0000000000000000) at _dbmmodule.c.h:46:20
43 )) {
44 goto exit;
45 }
-> 46 return_value = _dbm_dbm_keys_impl(self, cls);
47
48 exit:
49 return return_value;
The segfault happens here:
frame #0: 0x0000000182bc6994 libsystem_platform.dylib_platform_memmove + 84 libsystem_platform.dylib_platform_memmove:
-> 0x182bc6994 <+84>: ldnp q0, q1, [x1]
0x182bc6998 <+88>: add x1, x1, #0x20 ; =0x20
0x182bc699c <+92>: subs x2, x2, #0x20 ; =0x20
0x182bc69a0 <+96>: b.hi 0x182bc698c ; <+76>