[tor-bugs] #32052 [Applications/Tor Browser]: Linux32 bundles for Tor Browser 9.0a8 are not reproducible

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Oct 17 14:57:26 UTC 2019


#32052: Linux32 bundles for Tor Browser 9.0a8 are not reproducible
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 Reporter:  gk                                  |          Owner:  tbb-team
     Type:  defect                              |         Status:  new
 Priority:  Immediate                           |      Milestone:
Component:  Applications/Tor Browser            |        Version:
 Severity:  Critical                            |     Resolution:
 Keywords:  TorBrowserTeam201910, tbb-9.0-must  |  Actual Points:
Parent ID:                                      |         Points:
 Reviewer:                                      |        Sponsor:
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Comment (by alexcrichton):

 Thanks for the cc and for the investigation into this! This looks like
 it's either a compiler but or a bug in the build system because the Rust
 object file is what's changing here. A compiler bug could definitely cause
 it but there may also be something nondeterministic being fed into rustc
 (e.g. generated code or something like that).

 I don't know of rustc bugs off-hand (although I'm not exactly all-
 knowing!). In terms of minimization I think the "easiest" way would be to
 start playing whack-a-mole with code. Basically get to a point where you
 can edit the gkrust crate and then delete code incrementally until you
 can't get a compile difference.

 If this is a build system bug then you may need to trace the
 nondeterministic codegen back further from gkrust, since generics may be
 getting monomorphized into gkrust itself.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32052#comment:7>
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