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On Fri, 22 Sep 2017 06:07:18 +0200 |
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Michał Górny <mgorny@g.o> wrote: |
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> W dniu czw, 21.09.2017 o godzinie 15∶41 -0700, użytkownik Matt Turner |
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> napisał: |
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> > On Thu, Sep 21, 2017 at 2:25 PM, Michał Górny <mgorny@g.o> |
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> > wrote: |
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> > > Given that sandbox is utterly broken by design, I don't really |
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> > > want to put too much effort in trying to make it a little better. |
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> > > I'd rather put the minimal effort required to make it |
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> > > not-much-worse. |
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> > |
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> > You said in your initial email that you weren't an expert in its |
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> > internals, but here you say it's broken by design. Why do you think |
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> > that? |
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> > |
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> |
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> Because it uses LD_PRELOAD which is a huge hack and which causes |
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> guaranteed issues we can't really fix. All we can do is disable it for |
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> emacs, for compiler-rt and I'm afraid this list will grow because |
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> overriding random library functions is never a good idea. |
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> |
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I think we're all ears for a better solution. There are probably much |
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better ways to do sandboxing these days than 15 years ago. |
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LD_PRELOAD does not work with static binaries. Hence the non |
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portable ptrace stuff. Hence bugs. Etc. The point is, that's the |
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best we have now. |
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Alexis. |