[tor-bugs] #30926 [Core Tor/Tor]: OnionPerf requests to onion service fail close towards completion with TGEN/READ error

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#30926: OnionPerf requests to onion service fail close towards completion with
TGEN/READ error
-------------------------------+------------------------------------
 Reporter:  karsten            |          Owner:  (none)
     Type:  defect             |         Status:  needs_information
 Priority:  Medium             |      Milestone:  Tor: 0.4.1.x-final
Component:  Core Tor/Tor       |        Version:
 Severity:  Normal             |     Resolution:
 Keywords:  041-should tor-hs  |  Actual Points:
Parent ID:                     |         Points:
 Reviewer:                     |        Sponsor:
-------------------------------+------------------------------------

Comment (by asn):

 Example of failure:
 {{{
 2018-01-02 20:17:02 1514924222.876832 [info] [shd-tgen-transfer.c:833]
 [_tgentransfer_log] [transfer-status] transport
 TCP,18,localhost:127.0.0.1:49912,localhost:127.0.0.1:21869,73ut3hckbwugbkgd.onion:0.0.0.0:80,state=SUCCESS,error=NONE
 transfer transfer5m,12431,op-nl,GET,5242880,op-
 nl,16189,state=PAYLOAD,error=NONE total-bytes-read=5211141 total-bytes-
 write=56 payload-bytes-read=5211108/5242880 (99.39%)
 2018-01-02 20:17:03 1514924223.681162 [info] [shd-tgen-transfer.c:192]
 [_tgentransfer_changeState] transfer transfer5m,12431,op-nl,GET,5242880
 ,op-nl,16189,state=PAYLOAD,error=NONE moving from state PAYLOAD to state
 ERROR
 2018-01-02 20:17:03 1514924223.681245 [info] [shd-tgen-transfer.c:200]
 [_tgentransfer_changeError] transfer transfer5m,12431,op-nl,GET,5242880
 ,op-nl,16189,state=ERROR,error=NONE moving from error NONE to error READ
 2018-01-02 20:17:03 1514924223.681295 [critical] [shd-tgen-transfer.c:457]
 [_tgentransfer_readPayload] read(): transport
 TCP,18,localhost:127.0.0.1:49912,localhost:127.0.0.1:21869,73ut3hckbwugbkgd.onion:0.0.0.0:80,state=SUCCESS,error=NONE
 transfer transfer5m,12431,op-nl,GET,5242880,op-
 nl,16189,state=ERROR,error=READ closed unexpectedly
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30926#comment:2>
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