Types of failures

System.Net.Http.HttpRequestException : An error occurred while sending the request.
---- System.IO.IOException : The decryption operation failed, see inner exception.
-------- Interop+OpenSsl+SslException : Decrypt failed with OpenSSL error - SSL_ERROR_SSL.
------------ System.Security.Cryptography.CryptographicException : Error occurred during a cryptographic operation.
at System.Net.Http.HttpConnection.<SendAsync>d__38.MoveNext() in /root/corefx-1259674/src/System.Net.Http/src/System/Net/Http/Managed/HttpConnection.cs:line 438
--- End of stack trace from previous location where exception was thrown ---
at System.Net.Http.HttpConnectionHandler.<SendAsyncWithAwaitedConnection>d__4.MoveNext() in /root/corefx-1259674/src/System.Net.Http/src/System/Net/Http/Managed/HttpConnectionHandler.cs:line 43
--- End of stack trace from previous location where exception was thrown ---
at System.Net.Http.CookieHandler.<SendAsync>d__3.MoveNext() in /root/corefx-1259674/src/System.Net.Http/src/System/Net/Http/Managed/CookieHandler.cs:line 31
--- End of stack trace from previous location where exception was thrown ---
at System.Net.Http.AuthenticateAndRedirectHandler.<SendAsync>d__7.MoveNext() in /root/corefx-1259674/src/System.Net.Http/src/System/Net/Http/Managed/AuthenticateAndRedirectHandler.cs:line 62
--- End of stack trace from previous location where exception was thrown ---
at System.Net.Http.HttpClient.<FinishSendAsyncBuffered>d__62.MoveNext() in /root/corefx-1259674/src/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 488
--- End of stack trace from previous location where exception was thrown ---
at System.Net.Http.Functional.Tests.HttpClientHandler_DangerousAcceptAllCertificatesValidator_Test.<>c__DisplayClass3_1.<<SetDelegate_ConnectionSucceeds>b__0>d.MoveNext() in /root/corefx-1259674/src/System.Net.Http/tests/FunctionalTests/HttpClientHandlerTest.AcceptAllCerts.cs:line 54
--- End of stack trace from previous location where exception was thrown ---
at System.Net.Test.Common.LoopbackServer.<>c__DisplayClass3_0.<CreateServerAsync>b__0(Task t) in /root/corefx-1259674/src/Common/tests/System/Net/Http/LoopbackServer.cs:line 68
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) in /root/coreclr/src/mscorlib/shared/System/Threading/ExecutionContext.cs:line 151
at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot) in /root/coreclr/src/mscorlib/src/System/Threading/Tasks/Task.cs:line 2440
--- End of stack trace from previous location where exception was thrown ---
at System.Net.Http.Functional.Tests.HttpClientHandler_DangerousAcceptAllCertificatesValidator_Test.<SetDelegate_ConnectionSucceeds>d__3.MoveNext() in /root/corefx-1259674/src/System.Net.Http/tests/FunctionalTests/HttpClientHandlerTest.AcceptAllCerts.cs:line 52
--- End of stack trace from previous location where exception was thrown ---
--- End of stack trace from previous location where exception was thrown ---
--- End of stack trace from previous location where exception was thrown ---
----- Inner Stack Trace -----
at System.Net.Security.SslStreamInternal.<ReadAsyncInternal>d__32`1.MoveNext() in /root/corefx-1259674/src/System.Net.Security/src/System/Net/Security/SslStreamInternal.cs:line 285
--- End of stack trace from previous location where exception was thrown ---
at System.Net.Http.HttpConnection.<FillAsync>d__64.MoveNext() in /root/corefx-1259674/src/System.Net.Http/src/System/Net/Http/Managed/HttpConnection.cs:line 958
--- End of stack trace from previous location where exception was thrown ---
at System.Net.Http.HttpConnection.<ReadNextLineAsync>d__62.MoveNext() in /root/corefx-1259674/src/System.Net.Http/src/System/Net/Http/Managed/HttpConnection.cs:line 867
--- End of stack trace from previous location where exception was thrown ---
at System.Net.Http.HttpConnection.<SendAsync>d__38.MoveNext() in /root/corefx-1259674/src/System.Net.Http/src/System/Net/Http/Managed/HttpConnection.cs:line 313
----- Inner Stack Trace -----
at Interop.OpenSsl.Decrypt(SafeSslHandle context, Byte[] outBuffer, Int32 offset, Int32 count, SslErrorCode& errorCode) in /root/corefx-1259674/src/Common/src/Interop/Unix/System.Security.Cryptography.Native/Interop.OpenSsl.cs:line 269
at System.Net.Security.SslStreamPal.EncryptDecryptHelper(SafeDeleteContext securityContext, ReadOnlyMemory`1 input, Int32 offset, Int32 size, Boolean encrypt, Byte[]& output, Int32& resultSize) in /root/corefx-1259674/src/System.Net.Security/src/System/Net/Security/SslStreamPal.Unix.cs:line 207
----- Inner Stack Trace -----

History of failures

Lots of failures in CI:

• 12/2-12/18 - 58 failures (avg 3+/day) - see https://github.com/dotnet/corefx/issues/25676#issuecomment-353659053 for details on first failures on 12/2
• 12/19-1/5 - 44 failures (avg 2.5/day)
• 1/6-1/14 - 44 failures (avg 5/day)

Day	Build	OS	Details
1/3	20180103.03	Fedora25	[ManagedHandler] link

Original report

Related to dotnet/corefx#25646? cc: @Drawaes