New submission from BeginVuln: OS Version : Ubuntu 16.04 LTS Python download link : https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tar.xz
Python version : 3.6.0 Normal build cmd : ./configure make Asan build cmd: export CC="/usr/bin/clang -fsanitize=address export CXX="/usr/bin/clang++ -fsanitize=address ./confiugre make GDB with exploitable: To enable execution of this file add add-auto-load-safe-path /home/test/check/PythonGDB/python-gdb.py line to your configuration file "/home/test/.gdbinit". To completely disable this security protection add set auto-load safe-path / line to your configuration file "/home/test/.gdbinit". For more information about this security protection see the "Auto-loading safe path" section in the GDB manual. E.g., run from the shell: info "(gdb)Auto-loading safe path" [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Program received signal SIGBUS, Bus error. 0x00007ffff63a6dfe in i_set (ptr=0x8007f5b3f5e8, value=<optimized out>, size=4) at /home/test/check/PythonGDB/Modules/_ctypes/cfield.c:650 650 x = SET(int, x, val, size); Description: Access violation Short description: AccessViolation (21/22) Hash: 0e6533f2dc6ec45bf8aced4adaa8169a.5ae343e4a8ceeca018e7fc78f552033e Exploitability Classification: UNKNOWN Explanation: The target crashed due to an access violation but there is not enough additional information available to determine exploitability. ASAN: ASAN:DEADLYSIGNAL ================================================================= ==18660==ERROR: AddressSanitizer: SEGV on unknown address 0x7f16f88e3560 (pc 0x7f0ef90f6e68 bp 0x619000035c98 sp 0x7ffe7b44e2e0 T0) #0 0x7f0ef90f6e67 in i_set /home/test/check/PythonASAN/Modules/_ctypes/cfield.c:651 #1 0x7f0ef90f6e67 in ?? ??:0 #2 0x7f0ef90da8ea in PyCData_set /home/test/check/PythonASAN/Modules/_ctypes/_ctypes.c:2916 #3 0x7f0ef90da8ea in ?? ??:0 #4 0x7f0ef90f5470 in PyCField_set /home/test/check/PythonASAN/Modules/_ctypes/cfield.c:216 #5 0x7f0ef90f5470 in ?? ??:0 #6 0x63b1e7 in _PyObject_GenericSetAttrWithDict /home/test/check/PythonASAN/Objects/object.c:1152 #7 0x63b1e7 in ?? ??:0 #8 0x639d52 in PyObject_SetAttr /home/test/check/PythonASAN/Objects/object.c:932 #9 0x639d52 in ?? ??:0 #10 0x79ad9e in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:2249 #11 0x79ad9e in ?? ??:0 #12 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #13 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #14 0x7a9847 in ?? ??:0 #15 0x7ab648 in fast_function /home/test/check/PythonASAN/Python/ceval.c:4929 (discriminator 1) #16 0x7ab648 in ?? ??:0 #17 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809 #18 0x7a76f2 in ?? ??:0 #19 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #20 0x7995cc in ?? ??:0 #21 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #22 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #23 0x7a9847 in ?? ??:0 #24 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #25 0x7ac2ea in ?? ??:0 #26 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #27 0x574668 in ?? ??:0 #28 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #29 0x5749fa in ?? ??:0 #30 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #31 0x573e9b in ?? ??:0 #32 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057 #33 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357 #34 0x793369 in ?? ??:0 #35 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #36 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #37 0x7a9847 in ?? ??:0 #38 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #39 0x7ac2ea in ?? ??:0 #40 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #41 0x574668 in ?? ??:0 #42 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #43 0x5749fa in ?? ??:0 #44 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #45 0x573e9b in ?? ??:0 #46 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167 #47 0x66efe4 in ?? ??:0 #48 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316 #49 0x5745f0 in ?? ??:0 #50 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812 #51 0x7a7429 in ?? ??:0 #52 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #53 0x7995cc in ?? ??:0 #54 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #55 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #56 0x7a9847 in ?? ??:0 #57 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #58 0x7ac2ea in ?? ??:0 #59 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #60 0x574668 in ?? ??:0 #61 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #62 0x5749fa in ?? ??:0 #63 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #64 0x573e9b in ?? ??:0 #65 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057 #66 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357 #67 0x793369 in ?? ??:0 #68 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #69 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #70 0x7a9847 in ?? ??:0 #71 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #72 0x7ac2ea in ?? ??:0 #73 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #74 0x574668 in ?? ??:0 #75 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #76 0x5749fa in ?? ??:0 #77 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #78 0x573e9b in ?? ??:0 #79 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167 #80 0x66efe4 in ?? ??:0 #81 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316 #82 0x5745f0 in ?? ??:0 #83 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812 #84 0x7a7429 in ?? ??:0 #85 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #86 0x7995cc in ?? ??:0 #87 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #88 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #89 0x7a9847 in ?? ??:0 #90 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #91 0x7ac2ea in ?? ??:0 #92 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #93 0x574668 in ?? ??:0 #94 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #95 0x5749fa in ?? ??:0 #96 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #97 0x573e9b in ?? ??:0 #98 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057 #99 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357 #100 0x793369 in ?? ??:0 #101 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #102 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #103 0x7a9847 in ?? ??:0 #104 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #105 0x7ac2ea in ?? ??:0 #106 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #107 0x574668 in ?? ??:0 #108 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #109 0x5749fa in ?? ??:0 #110 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #111 0x573e9b in ?? ??:0 #112 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167 #113 0x66efe4 in ?? ??:0 #114 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316 #115 0x5745f0 in ?? ??:0 #116 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812 #117 0x7a7429 in ?? ??:0 #118 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #119 0x7995cc in ?? ??:0 #120 0x7ab4cb in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #121 0x7ab4cb in _PyFunction_FastCall /home/test/check/PythonASAN/Python/ceval.c:4870 #122 0x7ab4cb in fast_function /home/test/check/PythonASAN/Python/ceval.c:4905 #123 0x7ab4cb in ?? ??:0 #124 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809 #125 0x7a76f2 in ?? ??:0 #126 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #127 0x7995cc in ?? ??:0 #128 0x7ab4cb in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #129 0x7ab4cb in _PyFunction_FastCall /home/test/check/PythonASAN/Python/ceval.c:4870 #130 0x7ab4cb in fast_function /home/test/check/PythonASAN/Python/ceval.c:4905 #131 0x7ab4cb in ?? ??:0 #132 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809 #133 0x7a76f2 in ?? ??:0 #134 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #135 0x7995cc in ?? ??:0 #136 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #137 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #138 0x7a9847 in ?? ??:0 #139 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #140 0x7ac2ea in ?? ??:0 #141 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #142 0x574668 in ?? ??:0 #143 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #144 0x5749fa in ?? ??:0 #145 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #146 0x573e9b in ?? ??:0 #147 0x6713f8 in slot_tp_init /home/test/check/PythonASAN/Objects/typeobject.c:6380 #148 0x6713f8 in ?? ??:0 #149 0x666d8d in type_call /home/test/check/PythonASAN/Objects/typeobject.c:915 (discriminator 1) #150 0x666d8d in ?? ??:0 #151 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316 #152 0x5745f0 in ?? ??:0 #153 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812 #154 0x7a7429 in ?? ??:0 #155 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #156 0x7995cc in ?? ??:0 #157 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #158 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #159 0x7a9847 in ?? ??:0 #160 0x78e0df in PyEval_EvalCodeEx /home/test/check/PythonASAN/Python/ceval.c:4140 #161 0x78e0df in PyEval_EvalCode /home/test/check/PythonASAN/Python/ceval.c:695 #162 0x78e0df in ?? ??:0 #163 0x5142f5 in run_mod /home/test/check/PythonASAN/Python/pythonrun.c:980 #164 0x5142f5 in PyRun_FileExFlags /home/test/check/PythonASAN/Python/pythonrun.c:933 #165 0x5142f5 in ?? ??:0 #166 0x512afa in PyRun_SimpleFileExFlags /home/test/check/PythonASAN/Python/pythonrun.c:396 #167 0x512afa in ?? ??:0 #168 0x53eefd in run_file /home/test/check/PythonASAN/Modules/main.c:320 #169 0x53eefd in Py_Main /home/test/check/PythonASAN/Modules/main.c:780 #170 0x53eefd in ?? ??:0 #171 0x503d16 in main /home/test/check/PythonASAN/./Programs/python.c:69 #172 0x503d16 in ?? ??:0 #173 0x7f0efc49282f in __libc_start_main /build/glibc-GKVZIf/glibc-2.23/csu/../csu/libc-start.c:291 #174 0x7f0efc49282f in ?? ??:0 #175 0x432548 in _start ??:? #176 0x432548 in ?? ??:0 AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV (/home/test/check/PythonASAN/build/lib.linux-x86_64-3.6/_ctypes.cpython-36m-x86_64-linux-gnu.so+0x34e67) ==18660==ABORTING ---------- components: Interpreter Core files: cfield_651 messages: 287320 nosy: beginvuln priority: normal severity: normal status: open title: AddressSanitizer: SEGV on unknown address 0x7f16f88e3560 type: security versions: Python 3.6 Added file: http://bugs.python.org/file46581/cfield_651 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue29486> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com