New submission from Nikolaus Rath:
I received a bugreport due to a crash when calling SSLObject.send(). The
traceback ends with:
[...]
File
"/usr/local/lib/python3.4/dist-packages/dugong-3.2-py3.4.egg/dugong/__init__.py",
line 584, in _co_send
len_ = self._sock.send(buf)
File "/usr/lib/python3.4/ssl.py", line 679, in send
v = self._sslobj.write(data)
ssl.SSLError: [SSL: BAD_WRITE_RETRY] bad write retry (_ssl.c:1636)
At first I thought that this is an exception that my application should catch
and handle. However, when trying to figure out what exactly BAD_WRITE_RETRY
means I get the impression that the fault is actually in Python's _ssl.c. The
only places where this error is returned by OpenSSL are ssl/s2_pkt.c:480 and
ssl/s3_pkt.c:1179, and in each case the problem seems to be with the caller
supplying an invalid buffer after an initial write request failed to complete
due to non-blocking IO.
This does not seem to be something that could be caused by whatever Python
code, so I think there is a problem in _ssl.c.
----------
components: Library (Lib)
messages: 227582
nosy: alex, christian.heimes, dstufft, giampaolo.rodola, janssen, nikratio,
pitrou
priority: normal
severity: normal
status: open
title: [SSL: BAD_WRITE_RETRY] bad write retry in _ssl.c:1636
type: crash
versions: Python 3.4
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue22499>
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