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[Kees Cook <kees@xxxxxxxxxx>]

My testing was with a Debian userspace. I don't have a functional Ubuntu
ARM environment. I can boot rebuilt kernels in KVM.

Can you just adjust the header file to get it compiled? I have no idea
why __NR_time is stripped out like that. It's a valid syscall.

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https://bugs.launchpad.net/bugs/1183616

Title:
  seccomp-bpf missing on ARM in precise

Status in “linux” package in Ubuntu:
  Triaged
Status in “linux” source package in Precise:
  Triaged

Bug description:
  While seccomp-bpf was backported into precise, it was only for x86.
  Now that the ARM support is upstream too, it would be great to have
  the same level of support on ARM in the LTS kernel.

  I'll prepare patches.

  [Impact]
  ARM devices lack seccomp-bpf protections when running seccomp-aware applications (e.g. Chrome)

  [Test Case]
  git clone https://github.com/redpig/seccomp.git
  cd seccomp/tests
  make
  ./seccomp_bpf_tests
  All tests should pass

  [Regression Potential]
  Low: ARM currently has no seccomp-bpf support, so this is very unlikely to cause regressions. The changes that are common between x86 and ARM bring Precise closer to upstream seccomp-bpf, so this is similarly unlike to cause regressions (as this code is more correct than what is currently in Precise). Changes have been minimized, and tested.

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