New submission from Honor:
Hello,
Python version : 3.7.0a0
OS : Ubunt - Linux x 3.13.0-24-generic
Test Script:
>>> a="B\'\'F\'\'"
>>> eval(a)
Program received signal SIGSEGV, Segmentation fault.
0x0000000000531c5a in parsestrplus (n=0x7ffff7ee0b20, c=0x7fffffffd730) at
Python/ast.c:5150
5150 Py_DECREF(s);
(gdb) info reg
rax 0x0 0
rbx 0x0 0
rcx 0x7ffff7e9bab0 140737352678064
rdx 0x0 0
rsi 0x7ffff7e9ba88 140737352678024
rdi 0x7ffff7f74670 140737353565808
rbp 0x1 0x1
rsp 0x7fffffffd350 0x7fffffffd350
r8 0x0 0
r9 0x7fffffffd328 140737488343848
r10 0x7ffff7e9bab0 140737352678064
r11 0x7fffffffd2e0 140737488343776
r12 0x7ffff7ee0b20 140737352960800
r13 0x7fffffffd730 140737488344880
r14 0x0 0
r15 0x7ffff7f8557a 140737353635194
rip 0x531c5a 0x531c5a <ast_for_atom+3370>
eflags 0x10246 [ PF ZF IF RF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
(gdb) bt
#0 0x0000000000531c5a in parsestrplus (n=0x7ffff7ee0b20, c=0x7fffffffd730)
at Python/ast.c:5150
#1 ast_for_atom (c=c@entry=0x7fffffffd730, n=0x7ffff7ee0b20) at
Python/ast.c:2110
#2 0x000000000053221a in ast_for_atom_expr (n=0x7ffff7ee0d78,
c=0x7fffffffd730) at Python/ast.c:2465
#3 ast_for_power (n=0x7ffff7ee0d50, c=0x7fffffffd730) at Python/ast.c:2502
#4 ast_for_expr (c=c@entry=0x7fffffffd730, n=0x7ffff7ee0d50) at
Python/ast.c:2690
#5 0x0000000000537446 in ast_for_testlist (n=0x7ffff7e8f0d0,
c=0x7fffffffd730) at Python/ast.c:2881
#6 PyAST_FromNodeObject (n=0x7ffff7ee0ad0, n@entry=0x7ffff7ee0af8,
flags=<optimized out>,
filename=filename@entry=0x7ffff7e9be30, arena=arena@entry=0x7ffff7f751e0)
at Python/ast.c:815
#7 0x000000000042649f in PyParser_ASTFromStringObject
(arena=0x7ffff7f751e0, flags=<optimized out>, start=258,
filename=0x7ffff7e9be30, s=0x7ffff7e9be30 "\003") at
Python/pythonrun.c:1124
#8 PyRun_StringFlags (str=str@entry=0x7ffff7e9bae0 "B''F''",
start=start@entry=258,
globals=globals@entry=0x7ffff7f5d168, locals=locals@entry=0x7ffff7f5d168,
flags=flags@entry=0x7fffffffd840)
at Python/pythonrun.c:902
#9 0x000000000053a9fe in builtin_eval_impl (module=<optimized out>,
locals=0x7ffff7f5d168, globals=0x7ffff7f5d168,
source=0x7ffff7e9bab0) at Python/bltinmodule.c:875
#10 builtin_eval (module=<optimized out>, args=<optimized out>) at
Python/clinic/bltinmodule.c.h:243
#11 0x00000000004a7869 in _PyCFunction_FastCallDict (kwargs=0x0, nargs=1,
args=0x53a8b0 <builtin_eval>,
func_obj=0x7ffff7fda990) at Objects/methodobject.c:234
#12 _PyCFunction_FastCallKeywords (func=func@entry=0x7ffff7fda990,
stack=stack@entry=0x7ffff7fa2ca8, nargs=1,
kwnames=kwnames@entry=0x0) at Objects/methodobject.c:295
#13 0x000000000053c954 in call_function
(pp_stack=pp_stack@entry=0x7fffffffda50,
oparg=oparg@entry=1,
kwnames=kwnames@entry=0x0) at Python/ceval.c:4793
#14 0x000000000054032c in _PyEval_EvalFrameDefault (f=<optimized out>,
throwflag=<optimized out>)
at Python/ceval.c:3277
#15 0x000000000053c571 in PyEval_EvalFrameEx (throwflag=0,
f=0x7ffff7fa2b28) at Python/ceval.c:718
#16 _PyEval_EvalCodeWithName (_co=_co@entry=0x7ffff7ed7270,
globals=globals@entry=0x7ffff7f5d168,
locals=locals@entry=0x7ffff7f5d168, args=args@entry=0x0,
argcount=argcount@entry=0, kwnames=kwnames@entry=0x0,
kwargs=kwargs@entry=0x8, kwcount=kwcount@entry=0, kwstep=kwstep@entry=2,
defs=defs@entry=0x0,
defcount=defcount@entry=0, kwdefs=kwdefs@entry=0x0,
closure=closure@entry=0x0, name=name@entry=0x0,
qualname=qualname@entry=0x0) at Python/ceval.c:4121
#17 0x000000000053d380 in PyEval_EvalCodeEx (closure=0x0, kwdefs=0x0,
defcount=0, defs=0x0, kwcount=0, kws=0x0,
argcount=0, args=0x0, locals=locals@entry=0x7ffff7f5d168,
globals=globals@entry=0x7ffff7f5d168,
_co=_co@entry=0x7ffff7ed7270) at Python/ceval.c:4142
#18 PyEval_EvalCode (co=co@entry=0x7ffff7ed7270, globals=globals@entry
=0x7ffff7f5d168,
locals=locals@entry=0x7ffff7f5d168) at Python/ceval.c:695
#19 0x0000000000427bc4 in run_mod (arena=0x7ffff7f75180,
flags=0x7fffffffdd40, locals=0x7ffff7f5d168,
globals=0x7ffff7f5d168, filename=0x7ffff7f14ae8, mod=0x936ab0) at
Python/pythonrun.c:980
#20 PyRun_InteractiveOneObject (fp=fp@entry=0x7ffff74a9640
<_IO_2_1_stdin_>,
filename=filename@entry=0x7ffff7f14ae8, flags=flags@entry=0x7fffffffdd40)
at Python/pythonrun.c:233
#21 0x0000000000427e8e in PyRun_InteractiveLoopFlags
(fp=fp@entry=0x7ffff74a9640
<_IO_2_1_stdin_>,
filename_str=filename_str@entry=0x5d0f05 "<stdin>",
flags=flags@entry=0x7fffffffdd40)
at Python/pythonrun.c:112
#22 0x0000000000427f9c in PyRun_AnyFileExFlags (fp=0x7ffff74a9640
<_IO_2_1_stdin_>, filename=0x5d0f05 "<stdin>",
closeit=0, flags=0x7fffffffdd40) at Python/pythonrun.c:74
#23 0x0000000000439b31 in run_file (p_cf=0x7fffffffdd40, filename=0x0,
fp=0x7ffff74a9640 <_IO_2_1_stdin_>)
at Modules/main.c:319
#24 Py_Main (argc=argc@entry=1, argv=argv@entry=0x8fe010) at
Modules/main.c:779
#25 0x000000000041d964 in main (argc=1, argv=<optimized out>) at
./Programs/python.c:69
----------
messages: 280218
nosy: Stone
priority: normal
severity: normal
status: open
title: eval() Function - Segmentation Fault
_______________________________________
Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue28633>
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