[tor-bugs] #32056 [Circumvention/Pluggable transport]: `panic: keyword "PROXY-ERROR %s\n" contains forbidden bytes` when using snowflake (was: built-in snowflake not work: Pluggable Transport process terminated with status code 512)

[Tor Bug Tracker & Wiki]

#32056: `panic: keyword "PROXY-ERROR %s\n" contains forbidden bytes` when using
snowflake
-----------------------------------------------+--------------------------
 Reporter:  omlnnuci                           |          Owner:  tbb-team
     Type:  defect                             |         Status:  closed
 Priority:  Medium                             |      Milestone:
Component:  Circumvention/Pluggable transport  |        Version:
 Severity:  Normal                             |     Resolution:  fixed
 Keywords:  goptlib snowflake                  |  Actual Points:
Parent ID:                                     |         Points:
 Reviewer:                                     |        Sponsor:
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Changes (by dcf):

 * status:  new => closed
 * component:  Circumvention/Snowflake => Circumvention/Pluggable transport
 * resolution:   => fixed
 * keywords:   => goptlib snowflake


Comment:

 Thanks for reporting this. It's actually an error in an old version of
 goptlib, [https://gitweb.torproject.org/pluggable-
 transports/goptlib.git/commit/?id=0f5cab77926a352c229bc5653d904fefd799653c
 fixed here]. The fix is in goptlib 0.7, while Tor Browser currently uses
 goptlib 0.5. I've filed #32076 to update goptlib in Tor Browser.

 As a side note, omlnnuci, Snowflake [https://gitweb.torproject.org
 /pluggable-
 transports/snowflake.git/tree/client/snowflake.go?h=webext-0.0.11#n157
 doesn't support using a proxy]. You will have to disable your Tor Browser
 proxy setting when using Snowflake.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32056#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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