[New-bugs-announce] [issue29489] AddressSanitizer: SEGV on unknown address 0x7f4a36c604d0
BeginVuln
report at bugs.python.org
Wed Feb 8 09:46:24 EST 2017
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 SIGSEGV, Segmentation fault.
0x00007ffff5d87282 in Pointer_item (index=32767, myself=0x7ffff5b3b620) at /home/test/check/PythonGDB/Modules/_ctypes/_ctypes.c:4748
4748 if (*(void **)self->b_ptr == NULL) {
Description: Access violation on destination operand
Short description: DestAv (8/22)
Hash: 6d733dd19a93baf3031238df7085b89d.f931e2f4bcacefcb07769ddcf0b1360f
Exploitability Classification: EXPLOITABLE
Explanation: The target crashed on an access violation at an address matching the destination operand of the instruction. This likely indicates a write access violation, which means the attacker may control the write address and/or value.
Other tags: AccessViolation (21/22)
ASAN:
ASAN:DEADLYSIGNAL
=================================================================
==18357==ERROR: AddressSanitizer: SEGV on unknown address 0x7f4a36c604d0 (pc 0x7f4a36e40562 bp 0x7ffc8c278530 sp 0x7ffc8c278060 T0)
#0 0x7f4a36e40561 in Pointer_item /home/test/check/PythonASAN/Modules/_ctypes/_ctypes.c:4748
#1 0x7f4a36e40561 in ?? ??:0
#2 0x79987c in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:1458 (discriminator 1)
#3 0x79987c in ?? ??:0
#4 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
#5 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
#6 0x7a9847 in ?? ??:0
#7 0x7ab648 in fast_function /home/test/check/PythonASAN/Python/ceval.c:4929 (discriminator 1)
#8 0x7ab648 in ?? ??:0
#9 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
#10 0x7a76f2 in ?? ??:0
#11 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
#12 0x7995cc in ?? ??:0
#13 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
#14 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
#15 0x7a9847 in ?? ??:0
#16 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
#17 0x7ac2ea in ?? ??:0
#18 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
#19 0x574668 in ?? ??:0
#20 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
#21 0x5749fa in ?? ??:0
#22 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
#23 0x573e9b in ?? ??:0
#24 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057
#25 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357
#26 0x793369 in ?? ??:0
#27 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
#28 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
#29 0x7a9847 in ?? ??:0
#30 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
#31 0x7ac2ea in ?? ??:0
#32 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
#33 0x574668 in ?? ??:0
#34 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
#35 0x5749fa in ?? ??:0
#36 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
#37 0x573e9b in ?? ??:0
#38 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167
#39 0x66efe4 in ?? ??:0
#40 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316
#41 0x5745f0 in ?? ??:0
#42 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812
#43 0x7a7429 in ?? ??:0
#44 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
#45 0x7995cc in ?? ??:0
#46 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
#47 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
#48 0x7a9847 in ?? ??:0
#49 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
#50 0x7ac2ea in ?? ??:0
#51 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
#52 0x574668 in ?? ??:0
#53 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
#54 0x5749fa in ?? ??:0
#55 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
#56 0x573e9b in ?? ??:0
#57 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057
#58 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357
#59 0x793369 in ?? ??:0
#60 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
#61 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
#62 0x7a9847 in ?? ??:0
#63 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
#64 0x7ac2ea in ?? ??:0
#65 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
#66 0x574668 in ?? ??:0
#67 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
#68 0x5749fa in ?? ??:0
#69 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
#70 0x573e9b in ?? ??:0
#71 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167
#72 0x66efe4 in ?? ??:0
#73 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316
#74 0x5745f0 in ?? ??:0
#75 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812
#76 0x7a7429 in ?? ??:0
#77 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
#78 0x7995cc in ?? ??:0
#79 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
#80 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
#81 0x7a9847 in ?? ??:0
#82 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
#83 0x7ac2ea in ?? ??:0
#84 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
#85 0x574668 in ?? ??:0
#86 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
#87 0x5749fa in ?? ??:0
#88 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
#89 0x573e9b in ?? ??:0
#90 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057
#91 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357
#92 0x793369 in ?? ??:0
#93 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
#94 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
#95 0x7a9847 in ?? ??:0
#96 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
#97 0x7ac2ea in ?? ??:0
#98 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
#99 0x574668 in ?? ??:0
#100 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
#101 0x5749fa in ?? ??:0
#102 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
#103 0x573e9b in ?? ??:0
#104 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167
#105 0x66efe4 in ?? ??:0
#106 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316
#107 0x5745f0 in ?? ??:0
#108 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812
#109 0x7a7429 in ?? ??:0
#110 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
#111 0x7995cc in ?? ??:0
#112 0x7ab4cb in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
#113 0x7ab4cb in _PyFunction_FastCall /home/test/check/PythonASAN/Python/ceval.c:4870
#114 0x7ab4cb in fast_function /home/test/check/PythonASAN/Python/ceval.c:4905
#115 0x7ab4cb in ?? ??:0
#116 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
#117 0x7a76f2 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 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
#129 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
#130 0x7a9847 in ?? ??:0
#131 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
#132 0x7ac2ea in ?? ??:0
#133 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
#134 0x574668 in ?? ??:0
#135 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
#136 0x5749fa in ?? ??:0
#137 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
#138 0x573e9b in ?? ??:0
#139 0x6713f8 in slot_tp_init /home/test/check/PythonASAN/Objects/typeobject.c:6380
#140 0x6713f8 in ?? ??:0
#141 0x666d8d in type_call /home/test/check/PythonASAN/Objects/typeobject.c:915 (discriminator 1)
#142 0x666d8d in ?? ??:0
#143 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316
#144 0x5745f0 in ?? ??:0
#145 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812
#146 0x7a7429 in ?? ??:0
#147 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
#148 0x7995cc in ?? ??:0
#149 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
#150 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
#151 0x7a9847 in ?? ??:0
#152 0x78e0df in PyEval_EvalCodeEx /home/test/check/PythonASAN/Python/ceval.c:4140
#153 0x78e0df in PyEval_EvalCode /home/test/check/PythonASAN/Python/ceval.c:695
#154 0x78e0df in ?? ??:0
#155 0x5142f5 in run_mod /home/test/check/PythonASAN/Python/pythonrun.c:980
#156 0x5142f5 in PyRun_FileExFlags /home/test/check/PythonASAN/Python/pythonrun.c:933
#157 0x5142f5 in ?? ??:0
#158 0x512afa in PyRun_SimpleFileExFlags /home/test/check/PythonASAN/Python/pythonrun.c:396
#159 0x512afa in ?? ??:0
#160 0x53eefd in run_file /home/test/check/PythonASAN/Modules/main.c:320
#161 0x53eefd in Py_Main /home/test/check/PythonASAN/Modules/main.c:780
#162 0x53eefd in ?? ??:0
#163 0x503d16 in main /home/test/check/PythonASAN/./Programs/python.c:69
#164 0x503d16 in ?? ??:0
#165 0x7f4a3a79082f in __libc_start_main /build/glibc-GKVZIf/glibc-2.23/csu/../csu/libc-start.c:291
#166 0x7f4a3a79082f in ?? ??:0
#167 0x432548 in _start ??:?
#168 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+0x26561)
==18357==ABORTING
----------
components: Interpreter Core
files: ctypes_4748
messages: 287323
nosy: beginvuln
priority: normal
severity: normal
status: open
title: AddressSanitizer: SEGV on unknown address 0x7f4a36c604d0
type: security
versions: Python 3.6
Added file: http://bugs.python.org/file46584/ctypes_4748
_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29489>
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