New submission from Gregory P. Smith <[email protected]>:
The following test code segfaults on Python 2.7:
```python
import io
class X(io.RawIOBase):
def readable(self):
return True
def readinto(self, b):
if isinstance(b, memoryview):
print(b.format) # XXX boom, crashes here.
return 0
io.BufferedReader(X()).read(8)
```
The crash happens on the b.format attribute access.
This does not happen on 3.6.
----------
components: IO, Library (Lib)
messages: 326597
nosy: gregory.p.smith
priority: normal
severity: normal
stage: needs patch
status: open
title: io.BufferedReader crashes in 2.7 on memoryview attribute access
type: crash
versions: Python 2.7
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Python tracker <[email protected]>
<https://bugs.python.org/issue34826>
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