linux-kernel - [PATCH 00/15] selftests/seccomp: Refactor change

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Date:   Sat, 12 Sep 2020 04:08:05 -0700
From:   Kees Cook <keescook@...omium.org>
To:     linux-kernel@...r.kernel.org
Cc:     Kees Cook <keescook@...omium.org>,
        Thadeu Lima de Souza Cascardo <cascardo@...onical.com>,
        Max Filippov <jcmvbkbc@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Christian Brauner <christian@...uner.io>,
        Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>,
        linux-kselftest@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-xtensa@...ux-xtensa.org,
        linux-arm-kernel@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 00/15] selftests/seccomp: Refactor change_syscall()

Hi,

This refactors the seccomp selftest macros used in change_syscall(),
in an effort to remove special cases for mips, arm, arm64, and xtensa,
which paves the way for powerpc fixes.

I'm not entirely done testing, but all-arch build tests and x86_64
selftests pass. I'll be doing arm, arm64, and i386 selftests shortly,
but I currently don't have an easy way to check xtensa, mips, nor
powerpc. Any help there would be appreciated!

(FWIW, I expect to take these via the seccomp tree.)

Thanks,

-Kees


Kees Cook (15):
  selftests/seccomp: Refactor arch register macros to avoid xtensa
    special case
  selftests/seccomp: Provide generic syscall setting macro
  selftests/seccomp: mips: Define SYSCALL_NUM_SET macro
  selftests/seccomp: arm: Define SYSCALL_NUM_SET macro
  selftests/seccomp: arm64: Define SYSCALL_NUM_SET macro
  selftests/seccomp: mips: Remove O32-specific macro
  selftests/seccomp: Remove syscall setting #ifdefs
  selftests/seccomp: Convert HAVE_GETREG into ARCH_GETREG/ARCH_SETREG
  selftests/seccomp: Convert REGSET calls into ARCH_GETREG/ARCH_SETREG
  selftests/seccomp: Avoid redundant register flushes
  selftests/seccomp: Remove SYSCALL_NUM_RET_SHARE_REG in favor of
    SYSCALL_RET_SET
  selftests/seccomp: powerpc: Fix seccomp return value testing
  selftests/seccomp: powerpc: Set syscall return during ptrace syscall
    exit
  selftests/clone3: Avoid OS-defined clone_args
  selftests/seccomp: Use __NR_mknodat instead of __NR_mknod

 .../selftests/clone3/clone3_selftests.h       |  16 +-
 tools/testing/selftests/seccomp/seccomp_bpf.c | 313 ++++++++++--------
 2 files changed, 184 insertions(+), 145 deletions(-)

-- 
2.25.1