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Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values wrong in VM?

From Linus Torvalds <torvalds@linux-foundation.org>
Newsgroups linux.kernel
Subject Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values wrong in VM?
Date 2015-08-14 01:00 +0200
Message-ID <pX9DA-q0-9@gated-at.bofh.it> (permalink)
References (4 earlier) <pX4Nz-1RR-3@gated-at.bofh.it> <pX5JE-3dG-15@gated-at.bofh.it> <pX8oa-7bD-11@gated-at.bofh.it> <pX8xQ-7ln-21@gated-at.bofh.it> <pX9Dz-q0-7@gated-at.bofh.it>
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On Thu, Aug 13, 2015 at 3:49 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> Does the attached patch make sense and work?

Btw, I'm not all that happy with it anyway.

I still think Denys' patch also potentially changed what audit and
strace see for %rax in the pt_regs to -ENOSYS, which I'm not convinced
is a good change.

But maybe that three-liner patch fixes the immediate problem that
David sees. David?

                  Linus
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Thread

[Regression v4.2 ?] 32-bit seccomp-BPF returned errno values wrong in VM? David Drysdale <drysdale@google.com> - 2015-08-13 10:40 +0200
  Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Denys Vlasenko <dvlasenk@redhat.com> - 2015-08-13 17:20 +0200
    Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? David Drysdale <drysdale@google.com> - 2015-08-13 18:30 +0200
      Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Andy Lutomirski <luto@amacapital.net> - 2015-08-13 19:20 +0200
        Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? David Drysdale <drysdale@google.com> - 2015-08-13 19:50 +0200
          Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Kees Cook <keescook@chromium.org> - 2015-08-13 20:50 +0200
            Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Denys Vlasenko <dvlasenk@redhat.com> - 2015-08-13 23:40 +0200
              Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Andy Lutomirski <luto@amacapital.net> - 2015-08-13 23:50 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Kees Cook <keescook@chromium.org> - 2015-08-14 01:00 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Andy Lutomirski <luto@amacapital.net> - 2015-08-14 01:10 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Kees Cook <keescook@chromium.org> - 2015-08-14 01:20 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Linus Torvalds <torvalds@linux-foundation.org> - 2015-08-14 01:40 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Denys Vlasenko <dvlasenk@redhat.com> - 2015-08-14 14:00 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Andy Lutomirski <luto@amacapital.net> - 2015-08-14 16:30 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? David Drysdale <drysdale@google.com> - 2015-08-14 09:40 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Linus Torvalds <torvalds@linux-foundation.org> - 2015-08-14 01:00 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Andy Lutomirski <luto@amacapital.net> - 2015-08-14 01:00 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Linus Torvalds <torvalds@linux-foundation.org> - 2015-08-14 01:30 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Linus Torvalds <torvalds@linux-foundation.org> - 2015-08-14 01:00 +0200
              Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Linus Torvalds <torvalds@linux-foundation.org> - 2015-08-14 00:30 +0200
                Re: [Regression v4.2 ?] 32-bit seccomp-BPF returned errno values  wrong in VM? Denys Vlasenko <dvlasenk@redhat.com> - 2015-08-14 13:30 +0200

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