[Bug 1877633] Re: libseccomp 2.4.3 (and 2.4.2) is not correctly resolving (at least) the getrlimit syscall on arm64

[Matt Thalman]

I don't see the updated applied to the ARM architecture. The versions of
arm64 and armhf at https://packages.ubuntu.com/focal/libseccomp-dev
still show 2.4.3-1ubuntu1.  What's the story on that?

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Title:
  libseccomp 2.4.3 (and 2.4.2) is not correctly resolving (at least) the
  getrlimit syscall on arm64

Status in libseccomp package in Ubuntu:
  Fix Released
Status in libseccomp source package in Focal:
  Fix Released
Status in libseccomp source package in Groovy:
  Fix Released

Bug description:
  This was reported via the snapcraft forum[1]:

  On bionic amd64, libseccomp 2.4.1-0ubuntu0.18.04.2

  $ lsb_release -d
  Description:	Ubuntu 18.04.4 LTS
  $ scmp_sys_resolver -a aarch64 163
  getrlimit
  $ scmp_sys_resolver -a aarch64 getrlimit
  163

  focal amd64, libseccomp 2.4.3-1ubuntu1 -- *__BROKEN__*

  $ lsb_release -d
  Description:	Ubuntu 20.04 LTS
  $ scmp_sys_resolver -a aarch64 163
  UNKNOWN
  $ scmp_sys_resolver -a aarch64 getrlimit
  -10180

  [1]https://forum.snapcraft.io/t/getrlimit-blocked-by-seccomp-on-focal-
  arm64/17237/8

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