[tbb-bugs] #21711 [Applications/Tor Browser]: try to build tor-browser.git with clang's Code Flow Integrity option

Tor Bug Tracker & Wiki blackhole at torproject.org
Sat Mar 11 19:41:21 UTC 2017


#21711: try to build tor-browser.git with clang's Code Flow Integrity option
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 Reporter:  arthuredelstein           |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Description changed by arthuredelstein:

Old description:

> I tried to build tor-browser.git using -fsanitize=cfi and I ran into the
> following bug that was reported recently:
> http://lists.llvm.org/pipermail/llvm-dev/2017-February/109861.html
>
> Fortunately, it seems this bug has been fixed in clang 4.0. Binaries for
> clang 4.0.0 should be available in a few days so I will try again then.

New description:

 I tried to build tor-browser.git using -fsanitize=cfi and I ran into the
 following bug that was reported recently:
 http://lists.llvm.org/pipermail/llvm-dev/2017-February/109861.html

 Fortunately, it seems this bug has been fixed in clang 4.0. Binaries for
 clang 4.0.0 should be available in a few days so I will try again then.

 See https://clang.llvm.org/docs/ControlFlowIntegrity.html

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21711#comment:1>
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