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[tor-talk] Internal error bug: Got an INTRODUCE2 cell ...

I have an interesting bug and would like to know what it means. The
hidden service appears to work.

Dec 27 14:04:07.000 [warn] rend_service_introduce(): Bug: Internal
error: Got an INTRODUCE2 cell on an intro circ (for service
"xxxxxxxxxxxxxxxx") with no corresponding rend_intro_point_t.

They seem to come consecutively, about ten or twenty times once every 24
hours. They go away for a while if I restart Tor.

When they are happening there is often corruption in the connection.
Pages load fine through an ssh tunnel via a socat relay on the Tor
gateway server to the server over clearnet. They do not load properly
over Tor.

I am using OpenBSD 5.4, here is the start of the notice log to give
details about the OpenSSL version and Tor version.

Dec 23 07:29:09.000 [notice] Tor (git-17c24b3118224d65) opening
new log file.
Dec 23 07:29:09.000 [notice] Parsing GEOIP file /usr/local/share/tor/geoip.
Dec 23 07:29:09.000 [notice] This version of OpenSSL has a known-good
EVP counter-mode implementation. Using it.
Dec 23 07:29:09.000 [notice] OpenSSL OpenSSL 1.0.1c 10 May 2012 looks
like version 0.9.8m or later; I will try SSL_OP to enable renegotiation
Dec 23 07:29:10.000 [notice] Reloaded microdescriptor cache.  Found
13888 descriptors.
Dec 23 07:29:11.000 [notice] We now have enough directory information to
build circuits.
Dec 23 07:29:11.000 [notice] Bootstrapped 80%: Connecting to the Tor
Dec 23 07:29:26.000 [notice] Heartbeat: Tor's uptime is 0:00 hours, with
297 circuits open. I've sent 0 kB and received 0 kB.
Dec 23 07:29:26.000 [notice] Bootstrapped 85%: Finishing handshake with
first hop.
Dec 23 07:29:26.000 [notice] We weren't able to find support for all of
the TLS ciphersuites that we wanted to advertise. This won't hurt
security, but it might make your Tor (if run as a client) more easy for
censors to block.
Dec 23 07:29:26.000 [notice] To correct this, use a version of OpenSSL
built with none of its ciphers disabled.
Dec 23 07:29:41.000 [notice] Bootstrapped 90%: Establishing a Tor circuit.
Dec 23 07:29:42.000 [notice] Tor has successfully opened a circuit.
Looks like client functionality is working.
Dec 23 07:29:42.000 [notice] Bootstrapped 100%: Done.

It would be more interesting to know more about this problem. It
concerns me that someone might be peeling my onions. Only I'm the one
who is going to have bleeding eyes.

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