[tbb-bugs] #12968 [Applications/Tor Browser]: Specify HEASLR (High Entropy Address Space Layout Randomization) in MinGW-w64

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#12968: Specify HEASLR (High Entropy Address Space Layout Randomization) in
MinGW-w64
-------------------------------------------------+-------------------------
 Reporter:  mikeperry                            |          Owner:  tbb-
                                                 |  team
     Type:  enhancement                          |         Status:
                                                 |  needs_review
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-security, tbb-rbm, ff60-esr,     |  Actual Points:
  boklm201805, TorBrowserTeam201805R             |
Parent ID:  #24631                               |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by gk):

 Replying to [comment:17 gk]:
 > Replying to [comment:16 boklm]:
 > > There is a patch for review in branch `bug_12968`, adding the `-Wl
 ,--high-entropy-va` flag in the Windows x86_64 build:
 >
 > That might not be enough, see the ffmpeg link in comment:6. I guess we
 need at least `-Wl,--image-base,0x140000000` additionally?

 Oh, and if that breaks compilation we might need to backport
 https://github.com/gcc-
 mirror/gcc/commit/f47fc7ef7f52cd095e636d4f93cca052427f3f0a.patch

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12968#comment:18>
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