Issue 37135: test_multiprocessing_spawn segfaults on AMD64 FreeBSD CURRENT Shared 3.x (original) (raw)

CURRENT-amd64% lldb ./python -c python.core (lldb) target create "./python" --core "python.core" Core file '/home/pablo/cpython/python.core' (x86_64) was loaded. (lldb) bt

• thread #1, name = 'python', stop reason = signal SIGBUS
  • frame #0: 0x000000000035cfad pythontake_gil(tstate=0x0000000802b34010) at ceval_gil.h:216:13 frame #1: 0x000000000035d499 pythonPyEval_RestoreThread(tstate=0x0000000802b34010) at ceval.c:281:5 frame #2: 0x000000000040c045 python frame #3: 0x000000000047cc51 python frame #4: 0x000000000034f59c python_PyMethodDef_RawFastCallKeywords(method=0x0000000802b34010, self=0x00000008011c1578, args=0x0000000000000092, nargs=2, kwnames=<unavailable>) at call.c:653:18 frame #5: 0x000000000034e549 python_PyCFunction_FastCallKeywords(func=0x00000008011c8280, args=, nargs=, kwnames=) at call.c:732:14 frame #6: 0x000000000036d850 pythoncall_function(pp_stack=0x00007fffdfbfbcc8, oparg=<unavailable>, kwnames=<unavailable>) at ceval.c:4673:9 frame #7: 0x0000000000368d09 python_PyEval_EvalFrameDefault(f=, throwflag=) at ceval.c:3294:19 frame #8: 0x000000000036e59c python_PyEval_EvalCodeWithName [inlined] PyEval_EvalFrameEx(f=<unavailable>, throwflag=0) at ceval.c:624:12 frame #9: 0x000000000036e586 python_PyEval_EvalCodeWithName(_co=, globals=, locals=, args=, argcount=2, kwnames=0x0000000000000000, kwargs=0x000000080266e5f8, kwcount=0, kwstep=1, defs=0x0000000802533558, defcount=1, kwdefs=0x0000000000000000, closure=0x0000000000000000, name=0x00000008017355f0, qualname=0x0000000802524d60) at ceval.c:4035 frame #10: 0x000000000034e438 python_PyFunction_FastCallKeywords(func=<unavailable>, stack=<unavailable>, nargs=<unavailable>, kwnames=<unavailable>) at call.c:435:12 frame #11: 0x000000000036d9c7 pythoncall_function(pp_stack=0x00007fffdfbfc020, oparg=, kwnames=) at ceval.c:4721:17 frame #12: 0x0000000000368bae python_PyEval_EvalFrameDefault(f=<unavailable>, throwflag=<unavailable>) at ceval.c:3280:23 frame #13: 0x000000000034ebaa pythonfunction_code_fastcall(co=, args=, nargs=2, globals=) at call.c:285:14 frame #14: 0x000000000036d9c7 pythoncall_function(pp_stack=0x00007fffdfbfc230, oparg=<unavailable>, kwnames=<unavailable>) at ceval.c:4721:17 frame #15: 0x0000000000368bae python_PyEval_EvalFrameDefault(f=, throwflag=) at ceval.c:3280:23 frame #16: 0x000000000036e59c python_PyEval_EvalCodeWithName [inlined] PyEval_EvalFrameEx(f=<unavailable>, throwflag=0) at ceval.c:624:12 frame #17: 0x000000000036e586 python_PyEval_EvalCodeWithName(_co=, globals=, locals=, args=, argcount=2, kwnames=0x0000000000000000, kwargs=0x000000080271eb58, kwcount=0, kwstep=1, defs=0x000000080251dbd8, defcount=2, kwdefs=0x0000000000000000, closure=0x0000000000000000, name=0x000000080187fd60, qualname=0x0000000802522340) at ceval.c:4035 frame #18: 0x000000000034e438 python_PyFunction_FastCallKeywords(func=<unavailable>, stack=<unavailable>, nargs=<unavailable>, kwnames=<unavailable>) at call.c:435:12 frame #19: 0x000000000036d9c7 pythoncall_function(pp_stack=0x00007fffdfbfc520, oparg=, kwnames=) at ceval.c:4721:17 frame #20: 0x0000000000368bae python_PyEval_EvalFrameDefault(f=<unavailable>, throwflag=<unavailable>) at ceval.c:3280:23 frame #21: 0x000000000034ebaa pythonfunction_code_fastcall(co=, args=, nargs=2, globals=) at call.c:285:14 frame #22: 0x000000000036d9c7 pythoncall_function(pp_stack=0x00007fffdfbfc730, oparg=<unavailable>, kwnames=<unavailable>) at ceval.c:4721:17 frame #23: 0x0000000000368bae python_PyEval_EvalFrameDefault(f=, throwflag=) at ceval.c:3280:23 frame #24: 0x000000000034ebaa pythonfunction_code_fastcall(co=<unavailable>, args=<unavailable>, nargs=2, globals=<unavailable>) at call.c:285:14 frame #25: 0x000000000034f934 python_PyObject_Call_Prepend(callable=0x00000008025b4100, obj=0x0000000801878b30, args=, kwargs=0x000000080267e980) at call.c:906:14 frame #26: 0x000000000034e75f pythonPyObject_Call(callable=0x00000008021008d8, args=0x00000008017a7cb0, kwargs=0x000000080267e980) at call.c:247:18 frame #27: 0x00000000003690a9 python_PyEval_EvalFrameDefault [inlined] do_call_core(func=, callargs=, kwdict=0x000000080267e980) at ceval.c:4775:12 frame #28: 0x000000000036907e python_PyEval_EvalFrameDefault(f=<unavailable>, throwflag=<unavailable>) at ceval.c:3353 frame #29: 0x000000000034ebaa pythonfunction_code_fastcall(co=, args=, nargs=1, globals=) at call.c:285:14 frame #30: 0x000000000036d9c7 pythoncall_function(pp_stack=0x00007fffdfbfcba0, oparg=<unavailable>, kwnames=<unavailable>) at ceval.c:4721:17 frame #31: 0x0000000000368bae python_PyEval_EvalFrameDefault(f=, throwflag=) at ceval.c:3280:23 frame #32: 0x000000000034ebaa pythonfunction_code_fastcall(co=<unavailable>, args=<unavailable>, nargs=1, globals=<unavailable>) at call.c:285:14 frame #33: 0x000000000036d9c7 pythoncall_function(pp_stack=0x00007fffdfbfcdb0, oparg=, kwnames=) at ceval.c:4721:17 frame #34: 0x0000000000368bae python_PyEval_EvalFrameDefault(f=<unavailable>, throwflag=<unavailable>) at ceval.c:3280:23 frame #35: 0x000000000034ebaa pythonfunction_code_fastcall(co=, args=, nargs=1, globals=) at call.c:285:14 frame #36: 0x000000000034f934 python_PyObject_Call_Prepend(callable=0x000000080152ff70, obj=0x0000000802681a10, args=<unavailable>, kwargs=0x0000000000000000) at call.c:906:14 frame #37: 0x000000000034e75f pythonPyObject_Call(callable=0x0000000802aa4a10, args=0x000000080106c050, kwargs=0x0000000000000000) at call.c:247:18 frame #38: 0x00000000004b35e8 python frame #39: 0x00000000004049b9 python frame #40: 0x000000080059774b libthr.so.3`thread_start(curthread=0x0000000802b34010) at thr_create.c:291:16 (lldb) debug2: client_check_window_change: changed debug2: channel 0: request window-change confirm 0