Sébastien Sablé <sa...@users.sourceforge.net> added the comment:
The problem is in CTextIOWrapperTest.test_issue1395_5
Here is the backtrace:
msvcr100d.dll!memset() Line 145 Asm
> msvcr100d.dll!_heap_alloc_dbg_impl(unsigned __int64 nSize, int
> nBlockUse, const char * szFileName, int nLine, int * errno_tmp) Line 498
> C++
msvcr100d.dll!_nh_malloc_dbg_impl(unsigned __int64 nSize, int nhFlag,
int nBlockUse, const char * szFileName, int nLine, int * errno_tmp) Line 239 +
0x22 bytes C++
msvcr100d.dll!_nh_malloc_dbg(unsigned __int64 nSize, int nhFlag, int
nBlockUse, const char * szFileName, int nLine) Line 302 + 0x2a bytes C++
msvcr100d.dll!malloc(unsigned __int64 nSize) Line 56 + 0x21 bytes
C++
python27_d.dll!PyObject_Malloc(unsigned __int64 nbytes) Line 944
C
python27_d.dll!_PyObject_DebugMallocApi(char id, unsigned __int64
nbytes) Line 1445 + 0xa bytes C
python27_d.dll!_PyObject_DebugMalloc(unsigned __int64 nbytes) Line
1413 C
python27_d.dll!PyString_FromStringAndSize(const char * str, __int64
size) Line 88 + 0x11 bytes C
python27_d.dll!do_mkvalue(const char * * p_format, char * * p_va, int
flags) Line 427 + 0xf bytes C
python27_d.dll!va_build_value(const char * format, char * va, int
flags) Line 537 + 0x14 bytes C
python27_d.dll!_Py_VaBuildValue_SizeT(const char * format, char * va)
Line 511 C
python27_d.dll!_PyObject_CallMethod_SizeT(_object * o, char * name,
char * format, ...) Line 2671 + 0xf bytes C
python27_d.dll!textiowrapper_tell(textio * self, _object * args) Line
2222 + 0x2c bytes C
So the problem happens when calling in textio.c:
{{{
PyObject *decoded = PyObject_CallMethod(
self->decoder, "decode", "s#", input, 1);
}}}
self->decoder is of type "_io.IncrementalNewlineDecoder" and input is "BBB".
This will result in PyString_FromStringAndSize being called with size =
4294967297, which will cause the server to fall.
----------
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue13461>
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