[New-bugs-announce] [issue20669] OpenBSD: socket.recvmsg tests fail with OSError: [Errno 40] Message too long

STINNER Victor report at bugs.python.org
Tue Feb 18 09:41:31 CET 2014 

New submission from STINNER Victor:

http://buildbot.python.org/all/builders/x86%20OpenBSD%205.5%203.x/builds/14/steps/test/logs/stdio

======================================================================
ERROR: testCmsgTrunc1 (test.test_socket.RecvmsgSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2857, in testCmsgTrunc1
    self.checkTruncatedHeader(self.doRecvmsg(self.serv_sock, len(MSG), 1))
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1872, in doRecvmsg
    result = sock.recvmsg(bufsize, *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTrunc2Int (test.test_socket.RecvmsgSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2867, in testCmsgTrunc2Int
    SIZEOF_INT * 2))
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1872, in doRecvmsg
    result = sock.recvmsg(bufsize, *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTruncLen0 (test.test_socket.RecvmsgSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2907, in testCmsgTruncLen0
    self.checkTruncatedArray(ancbuf=socket.CMSG_LEN(0), maxdata=0)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2888, in checkTruncatedArray
    len(MSG), ancbuf)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1872, in doRecvmsg
    result = sock.recvmsg(bufsize, *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTruncLen0Minus1 (test.test_socket.RecvmsgSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2874, in testCmsgTruncLen0Minus1
    socket.CMSG_LEN(0) - 1))
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1872, in doRecvmsg
    result = sock.recvmsg(bufsize, *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTruncLen0Plus1 (test.test_socket.RecvmsgSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2913, in testCmsgTruncLen0Plus1
    self.checkTruncatedArray(ancbuf=socket.CMSG_LEN(0) + 1, maxdata=1)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2888, in checkTruncatedArray
    len(MSG), ancbuf)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1872, in doRecvmsg
    result = sock.recvmsg(bufsize, *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTruncLen1 (test.test_socket.RecvmsgSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2920, in testCmsgTruncLen1
    maxdata=SIZEOF_INT)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2888, in checkTruncatedArray
    len(MSG), ancbuf)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1872, in doRecvmsg
    result = sock.recvmsg(bufsize, *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTruncLen2Minus1 (test.test_socket.RecvmsgSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2927, in testCmsgTruncLen2Minus1
    maxdata=(2 * SIZEOF_INT) - 1)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2888, in checkTruncatedArray
    len(MSG), ancbuf)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1872, in doRecvmsg
    result = sock.recvmsg(bufsize, *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testFDPassSeparate (test.test_socket.RecvmsgSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 258, in _tearDown
    raise exc
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 270, in clientRun
    test_func()
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2722, in _testFDPassSeparate
    array.array("i", [fd1]))]),
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1864, in sendmsgToServer
    *(args + self.sendmsg_to_server_defaults[len(args):]))
OSError: [Errno 22] Invalid argument

======================================================================
ERROR: testFDPassSeparateMinSpace (test.test_socket.RecvmsgSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 258, in _tearDown
    raise exc
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 270, in clientRun
    test_func()
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2746, in _testFDPassSeparateMinSpace
    array.array("i", [fd1]))]),
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1864, in sendmsgToServer
    *(args + self.sendmsg_to_server_defaults[len(args):]))
OSError: [Errno 22] Invalid argument

======================================================================
ERROR: testCmsgTrunc1 (test.test_socket.RecvmsgIntoSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2857, in testCmsgTrunc1
    self.checkTruncatedHeader(self.doRecvmsg(self.serv_sock, len(MSG), 1))
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1963, in doRecvmsg
    result = sock.recvmsg_into([buf], *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTrunc2Int (test.test_socket.RecvmsgIntoSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2867, in testCmsgTrunc2Int
    SIZEOF_INT * 2))
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1963, in doRecvmsg
    result = sock.recvmsg_into([buf], *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTruncLen0 (test.test_socket.RecvmsgIntoSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2907, in testCmsgTruncLen0
    self.checkTruncatedArray(ancbuf=socket.CMSG_LEN(0), maxdata=0)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2888, in checkTruncatedArray
    len(MSG), ancbuf)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1963, in doRecvmsg
    result = sock.recvmsg_into([buf], *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTruncLen0Minus1 (test.test_socket.RecvmsgIntoSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2874, in testCmsgTruncLen0Minus1
    socket.CMSG_LEN(0) - 1))
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1963, in doRecvmsg
    result = sock.recvmsg_into([buf], *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTruncLen0Plus1 (test.test_socket.RecvmsgIntoSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2913, in testCmsgTruncLen0Plus1
    self.checkTruncatedArray(ancbuf=socket.CMSG_LEN(0) + 1, maxdata=1)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2888, in checkTruncatedArray
    len(MSG), ancbuf)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1963, in doRecvmsg
    result = sock.recvmsg_into([buf], *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTruncLen1 (test.test_socket.RecvmsgIntoSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2920, in testCmsgTruncLen1
    maxdata=SIZEOF_INT)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2888, in checkTruncatedArray
    len(MSG), ancbuf)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1963, in doRecvmsg
    result = sock.recvmsg_into([buf], *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testCmsgTruncLen2Minus1 (test.test_socket.RecvmsgIntoSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2927, in testCmsgTruncLen2Minus1
    maxdata=(2 * SIZEOF_INT) - 1)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2888, in checkTruncatedArray
    len(MSG), ancbuf)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1963, in doRecvmsg
    result = sock.recvmsg_into([buf], *args)
OSError: [Errno 40] Message too long

======================================================================
ERROR: testFDPassSeparate (test.test_socket.RecvmsgIntoSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 258, in _tearDown
    raise exc
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 270, in clientRun
    test_func()
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2722, in _testFDPassSeparate
    array.array("i", [fd1]))]),
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1864, in sendmsgToServer
    *(args + self.sendmsg_to_server_defaults[len(args):]))
OSError: [Errno 22] Invalid argument

======================================================================
ERROR: testFDPassSeparateMinSpace (test.test_socket.RecvmsgIntoSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 258, in _tearDown
    raise exc
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 270, in clientRun
    test_func()
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2746, in _testFDPassSeparateMinSpace
    array.array("i", [fd1]))]),
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 1864, in sendmsgToServer
    *(args + self.sendmsg_to_server_defaults[len(args):]))
OSError: [Errno 22] Invalid argument

======================================================================
FAIL: testFDPassSeparate (test.test_socket.RecvmsgSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2710, in testFDPassSeparate
    maxcmsgs=2)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2637, in checkRecvmsgFDs
    self.assertEqual(msg, MSG)
AssertionError: b'' != b'Michael Gilfix was here\xe1\x88\xb4\r\n'

======================================================================
FAIL: testFDPassSeparateMinSpace (test.test_socket.RecvmsgSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2734, in testFDPassSeparateMinSpace
    maxcmsgs=2, ignoreflags=socket.MSG_CTRUNC)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2637, in checkRecvmsgFDs
    self.assertEqual(msg, MSG)
AssertionError: b'' != b'Michael Gilfix was here\xe1\x88\xb4\r\n'

======================================================================
FAIL: testFDPassSeparate (test.test_socket.RecvmsgIntoSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2710, in testFDPassSeparate
    maxcmsgs=2)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2637, in checkRecvmsgFDs
    self.assertEqual(msg, MSG)
AssertionError: b'' != b'Michael Gilfix was here\xe1\x88\xb4\r\n'

======================================================================
FAIL: testFDPassSeparateMinSpace (test.test_socket.RecvmsgIntoSCMRightsStreamTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2734, in testFDPassSeparateMinSpace
    maxcmsgs=2, ignoreflags=socket.MSG_CTRUNC)
  File "/home/python-builds/3.x.borja-openbsd-x86/build/Lib/test/test_socket.py", line 2637, in checkRecvmsgFDs
    self.assertEqual(msg, MSG)
AssertionError: b'' != b'Michael Gilfix was here\xe1\x88\xb4\r\n'

----------
messages: 211493
nosy: haypo, rpointel
priority: normal
severity: normal
status: open
title: OpenBSD: socket.recvmsg tests fail with OSError: [Errno 40] Message too long
versions: Python 3.4

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20669>
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