[New-bugs-announce] [issue29499] AddressSanitizer: SEGV on unknown address 0x000ebfff800d

BeginVuln report at bugs.python.org
Wed Feb 8 09:56:18 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.
_PyObject_Alloc (ctx=0x0, elsize=136, nelem=1, use_calloc=0) at Objects/obmalloc.c:1258
1258	            if ((pool->freeblock = *(block **)bp) != NULL) {
Description: Access violation on source operand
Short description: SourceAv (19/22)
Hash: 931f1ff7977aaf47bb64eec6d074074f.3e2cbb794853bcf6a077da4bfa99ade4
Exploitability Classification: UNKNOWN
Explanation: The target crashed on an access violation at an address matching the source operand of the current instruction. This likely indicates a read access violation.
Other tags: AccessViolation (21/22)


ASAN:

EsEASAN:DEADLYSIGNAL
=================================================================
==18115==ERROR: AddressSanitizer: SEGV on unknown address 0x000ebfff800d (pc 0x0000005082ed bp 0x00720000006f sp 0x7fffe2536f60 T0)
    #0 0x5082ec in _PyObject_Alloc /home/test/check/PythonASAN/Objects/obmalloc.c:1258
    #1 0x5082ec in ?? ??:0
    #2 0x54318c in _PyObject_GC_Alloc /home/test/check/PythonASAN/Modules/gcmodule.c:1714
    #3 0x54318c in ?? ??:0
    #4 0x543391 in _PyObject_GC_Malloc /home/test/check/PythonASAN/Modules/gcmodule.c:1736
    #5 0x543391 in _PyObject_GC_New /home/test/check/PythonASAN/Modules/gcmodule.c:1748
    #6 0x543391 in ?? ??:0
    #7 0x5d5516 in PyFunction_NewWithQualName /home/test/check/PythonASAN/Objects/funcobject.c:21
    #8 0x5d5516 in ?? ??:0
    #9 0x796ecf in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3373
    #10 0x796ecf in ?? ??:0
    #11 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #12 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #13 0x7a9847 in ?? ??:0
    #14 0x7ab648 in fast_function /home/test/check/PythonASAN/Python/ceval.c:4929 (discriminator 1)
    #15 0x7ab648 in ?? ??:0
    #16 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #17 0x7a76f2 in ?? ??:0
    #18 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #19 0x7995cc in ?? ??:0
    #20 0x7ab4cb in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #21 0x7ab4cb in _PyFunction_FastCall /home/test/check/PythonASAN/Python/ceval.c:4870
    #22 0x7ab4cb in fast_function /home/test/check/PythonASAN/Python/ceval.c:4905
    #23 0x7ab4cb in ?? ??:0
    #24 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #25 0x7a76f2 in ?? ??:0
    #26 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #27 0x7995cc in ?? ??:0
    #28 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #29 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #30 0x7a9847 in ?? ??:0
    #31 0x7ab648 in fast_function /home/test/check/PythonASAN/Python/ceval.c:4929 (discriminator 1)
    #32 0x7ab648 in ?? ??:0
    #33 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #34 0x7a76f2 in ?? ??:0
    #35 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #36 0x7995cc in ?? ??:0
    #37 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #38 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #39 0x7a9847 in ?? ??:0
    #40 0x7ab648 in fast_function /home/test/check/PythonASAN/Python/ceval.c:4929 (discriminator 1)
    #41 0x7ab648 in ?? ??:0
    #42 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #43 0x7a76f2 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 0x7ab648 in fast_function /home/test/check/PythonASAN/Python/ceval.c:4929 (discriminator 1)
    #50 0x7ab648 in ?? ??:0
    #51 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #52 0x7a76f2 in ?? ??:0
    #53 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #54 0x7995cc in ?? ??:0
    #55 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #56 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #57 0x7a9847 in ?? ??:0
    #58 0x78e15d in PyEval_EvalCodeEx /home/test/check/PythonASAN/Python/ceval.c:4140
    #59 0x78e15d in ?? ??:0
    #60 0x5d6d7d in function_call /home/test/check/PythonASAN/Objects/funcobject.c:604
    #61 0x5d6d7d in ?? ??:0
    #62 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
    #63 0x573e9b in ?? ??:0
    #64 0x92ce4e in property_descr_get /home/test/check/PythonASAN/Objects/descrobject.c:1384
    #65 0x92ce4e in ?? ??:0
    #66 0x63ac07 in _PyObject_GenericGetAttrWithDict /home/test/check/PythonASAN/Objects/object.c:1060
    #67 0x63ac07 in ?? ??:0
    #68 0x7966cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:2815 (discriminator 1)
    #69 0x7966cc in ?? ??:0
    #70 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #71 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #72 0x7a9847 in ?? ??:0
    #73 0x7ab648 in fast_function /home/test/check/PythonASAN/Python/ceval.c:4929 (discriminator 1)
    #74 0x7ab648 in ?? ??:0
    #75 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #76 0x7a76f2 in ?? ??:0
    #77 0x792b47 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3291
    #78 0x792b47 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 0x6713f8 in slot_tp_init /home/test/check/PythonASAN/Objects/typeobject.c:6380
    #91 0x6713f8 in ?? ??:0
    #92 0x666d8d in type_call /home/test/check/PythonASAN/Objects/typeobject.c:915 (discriminator 1)
    #93 0x666d8d in ?? ??:0
    #94 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316
    #95 0x5745f0 in ?? ??:0
    #96 0x574ff3 in _PyObject_FastCallKeywords /home/test/check/PythonASAN/Objects/abstract.c:2480
    #97 0x574ff3 in ?? ??:0
    #98 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812
    #99 0x7a7429 in ?? ??:0
    #100 0x792b47 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3291
    #101 0x792b47 in ?? ??:0
    #102 0x7ab4cb in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #103 0x7ab4cb in _PyFunction_FastCall /home/test/check/PythonASAN/Python/ceval.c:4870
    #104 0x7ab4cb in fast_function /home/test/check/PythonASAN/Python/ceval.c:4905
    #105 0x7ab4cb in ?? ??:0
    #106 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #107 0x7a76f2 in ?? ??:0
    #108 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #109 0x7995cc in ?? ??:0
    #110 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #111 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #112 0x7a9847 in ?? ??:0
    #113 0x78e15d in PyEval_EvalCodeEx /home/test/check/PythonASAN/Python/ceval.c:4140
    #114 0x78e15d in ?? ??:0
    #115 0x5d6d7d in function_call /home/test/check/PythonASAN/Objects/funcobject.c:604
    #116 0x5d6d7d in ?? ??:0
    #117 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
    #118 0x573e9b in ?? ??:0
    #119 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057
    #120 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357
    #121 0x793369 in ?? ??:0
    #122 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #123 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #124 0x7a9847 in ?? ??:0
    #125 0x7ab648 in fast_function /home/test/check/PythonASAN/Python/ceval.c:4929 (discriminator 1)
    #126 0x7ab648 in ?? ??:0
    #127 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #128 0x7a76f2 in ?? ??:0
    #129 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #130 0x7995cc in ?? ??:0
    #131 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #132 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #133 0x7a9847 in ?? ??:0
    #134 0x7ab648 in fast_function /home/test/check/PythonASAN/Python/ceval.c:4929 (discriminator 1)
    #135 0x7ab648 in ?? ??:0
    #136 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #137 0x7a76f2 in ?? ??:0
    #138 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #139 0x7995cc in ?? ??:0
    #140 0x7ab4cb in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #141 0x7ab4cb in _PyFunction_FastCall /home/test/check/PythonASAN/Python/ceval.c:4870
    #142 0x7ab4cb in fast_function /home/test/check/PythonASAN/Python/ceval.c:4905
    #143 0x7ab4cb in ?? ??:0
    #144 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #145 0x7a76f2 in ?? ??:0
    #146 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #147 0x7995cc in ?? ??:0
    #148 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #149 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #150 0x7a9847 in ?? ??:0
    #151 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
    #152 0x7ac2ea in ?? ??:0
    #153 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
    #154 0x574668 in ?? ??:0
    #155 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
    #156 0x5749fa in ?? ??:0
    #157 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
    #158 0x573e9b in ?? ??:0
    #159 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057
    #160 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357
    #161 0x793369 in ?? ??:0
    #162 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #163 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #164 0x7a9847 in ?? ??:0
    #165 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
    #166 0x7ac2ea in ?? ??:0
    #167 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
    #168 0x574668 in ?? ??:0
    #169 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
    #170 0x5749fa in ?? ??:0
    #171 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
    #172 0x573e9b in ?? ??:0
    #173 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167
    #174 0x66efe4 in ?? ??:0
    #175 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316
    #176 0x5745f0 in ?? ??:0
    #177 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812
    #178 0x7a7429 in ?? ??:0
    #179 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #180 0x7995cc in ?? ??:0
    #181 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #182 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #183 0x7a9847 in ?? ??:0
    #184 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
    #185 0x7ac2ea in ?? ??:0
    #186 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
    #187 0x574668 in ?? ??:0
    #188 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
    #189 0x5749fa in ?? ??:0
    #190 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
    #191 0x573e9b in ?? ??:0
    #192 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057
    #193 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357
    #194 0x793369 in ?? ??:0
    #195 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #196 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #197 0x7a9847 in ?? ??:0
    #198 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
    #199 0x7ac2ea in ?? ??:0
    #200 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
    #201 0x574668 in ?? ??:0
    #202 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
    #203 0x5749fa in ?? ??:0
    #204 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
    #205 0x573e9b in ?? ??:0
    #206 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167
    #207 0x66efe4 in ?? ??:0
    #208 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316
    #209 0x5745f0 in ?? ??:0
    #210 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812
    #211 0x7a7429 in ?? ??:0
    #212 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #213 0x7995cc in ?? ??:0
    #214 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #215 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #216 0x7a9847 in ?? ??:0
    #217 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
    #218 0x7ac2ea in ?? ??:0
    #219 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
    #220 0x574668 in ?? ??:0
    #221 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
    #222 0x5749fa in ?? ??:0
    #223 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
    #224 0x573e9b in ?? ??:0
    #225 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057
    #226 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357
    #227 0x793369 in ?? ??:0
    #228 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #229 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #230 0x7a9847 in ?? ??:0
    #231 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
    #232 0x7ac2ea in ?? ??:0
    #233 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
    #234 0x574668 in ?? ??:0
    #235 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
    #236 0x5749fa in ?? ??:0
    #237 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
    #238 0x573e9b in ?? ??:0
    #239 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167
    #240 0x66efe4 in ?? ??:0
    #241 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316
    #242 0x5745f0 in ?? ??:0
    #243 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812
    #244 0x7a7429 in ?? ??:0
    #245 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #246 0x7995cc in ?? ??:0
    #247 0x7ab4cb in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #248 0x7ab4cb in _PyFunction_FastCall /home/test/check/PythonASAN/Python/ceval.c:4870
    #249 0x7ab4cb in fast_function /home/test/check/PythonASAN/Python/ceval.c:4905
    #250 0x7ab4cb in ?? ??:0
    #251 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #252 0x7a76f2 in ?? ??:0
    #253 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #254 0x7995cc in ?? ??:0
    #255 0x7ab4cb in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #256 0x7ab4cb in _PyFunction_FastCall /home/test/check/PythonASAN/Python/ceval.c:4870
    #257 0x7ab4cb in fast_function /home/test/check/PythonASAN/Python/ceval.c:4905
    #258 0x7ab4cb in ?? ??:0
    #259 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809
    #260 0x7a76f2 in ?? ??:0
    #261 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #262 0x7995cc in ?? ??:0
    #263 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #264 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #265 0x7a9847 in ?? ??:0
    #266 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021
    #267 0x7ac2ea in ?? ??:0
    #268 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295
    #269 0x574668 in ?? ??:0
    #270 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358
    #271 0x5749fa in ?? ??:0
    #272 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246
    #273 0x573e9b in ?? ??:0
    #274 0x6713f8 in slot_tp_init /home/test/check/PythonASAN/Objects/typeobject.c:6380
    #275 0x6713f8 in ?? ??:0
    #276 0x666d8d in type_call /home/test/check/PythonASAN/Objects/typeobject.c:915 (discriminator 1)
    #277 0x666d8d in ?? ??:0
    #278 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316
    #279 0x5745f0 in ?? ??:0
    #280 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812
    #281 0x7a7429 in ?? ??:0
    #282 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275
    #283 0x7995cc in ?? ??:0
    #284 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718
    #285 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119
    #286 0x7a9847 in ?? ??:0
    #287 0x78e0df in PyEval_EvalCodeEx /home/test/check/PythonASAN/Python/ceval.c:4140
    #288 0x78e0df in PyEval_EvalCode /home/test/check/PythonASAN/Python/ceval.c:695
    #289 0x78e0df in ?? ??:0
    #290 0x5142f5 in run_mod /home/test/check/PythonASAN/Python/pythonrun.c:980
    #291 0x5142f5 in PyRun_FileExFlags /home/test/check/PythonASAN/Python/pythonrun.c:933
    #292 0x5142f5 in ?? ??:0
    #293 0x512afa in PyRun_SimpleFileExFlags /home/test/check/PythonASAN/Python/pythonrun.c:396
    #294 0x512afa in ?? ??:0
    #295 0x53eefd in run_file /home/test/check/PythonASAN/Modules/main.c:320
    #296 0x53eefd in Py_Main /home/test/check/PythonASAN/Modules/main.c:780
    #297 0x53eefd in ?? ??:0
    #298 0x503d16 in main /home/test/check/PythonASAN/./Programs/python.c:69
    #299 0x503d16 in ?? ??:0
    #300 0x7f8e75bb582f in __libc_start_main /build/glibc-GKVZIf/glibc-2.23/csu/../csu/libc-start.c:291
    #301 0x7f8e75bb582f in ?? ??:0
    #302 0x432548 in _start ??:?
    #303 0x432548 in ?? ??:0

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/home/test/check/PythonASAN/python+0x5082ec)
==18115==ABORTING

----------
components: Interpreter Core
files: obmalloc_1258
messages: 287338
nosy: beginvuln
priority: normal
severity: normal
status: open
title: AddressSanitizer: SEGV on unknown address 0x000ebfff800d
type: security
versions: Python 3.6
Added file: http://bugs.python.org/file46594/obmalloc_1258

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29499>
_______________________________________


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