[tor-bugs] #21312 [Obfuscation/Snowflake]: snowflake-client is pegged at 100% cpu

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#21312: snowflake-client is pegged at 100% cpu
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     Reporter:  arlolra                |      Owner:
         Type:  defect                 |     Status:  new
     Priority:  Medium                 |  Milestone:
    Component:  Obfuscation/Snowflake  |    Version:
     Severity:  Normal                 |   Keywords:
Actual Points:                         |  Parent ID:
       Points:                         |   Reviewer:
      Sponsor:                         |
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 {{{
 1:30:49 AM - arma5: 2017/01/24 18:57:44 candidate:3131354255 1 tcp
 1518280447 192.168.1.154 36729 typ host tcptype passive generation 0 ufrag
 YXKXffPBBnA3SJ3K network-id 1
 1:30:52 AM - arma5: this is the last line in its log
 1:31:20 AM - arma5: and snowflake-client is pegged at 100% cpu
 1:32:39 AM - arma5: %  strace -p3074
 1:32:39 AM - arma5: Process 3074 attached
 1:32:39 AM - arma5: futex(0x1059710, FUTEX_WAIT, 0, NULL
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21312>
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