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

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#21312: snowflake-client is pegged at 100% cpu
-----------------------------------+------------------------------
 Reporter:  arlolra                |          Owner:  arlolra
     Type:  defect                 |         Status:  needs_review
 Priority:  High                   |      Milestone:
Component:  Obfuscation/Snowflake  |        Version:
 Severity:  Major                  |     Resolution:
 Keywords:                         |  Actual Points:
Parent ID:                         |         Points:
 Reviewer:                         |        Sponsor:
-----------------------------------+------------------------------

Comment (by dcf):

 Replying to [comment:35 arlolra]:
 > > I'm guessing that this only narrows the race window, doesn't eliminate
 it completely, because setting a pointer to `nil` and testing it against
 `nil` are probably not atomic. Maybe we'll have to introduce some
 synchronization.
 >
 > Yup, I can bang that out if you'd like.

 Yes, if you can, I'd appreciate it.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21312#comment:36>
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