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Message-ID: <CA+G9fYsXCkk2uSO5fuLwUMqALitDzgzskBu3Pj5qCfdcRv3rMg@mail.gmail.com> Date: Sat, 6 Jan 2018 07:59:34 +0530 From: Naresh Kamboju <naresh.kamboju@...aro.org> To: Anders Roxell <anders.roxell@...aro.org> Cc: linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org, Shuah Khan <shuah@...nel.org>, wad@...omium.org, Andy Lutomirski <luto@...capital.net>, Kees Cook <keescook@...omium.org> Subject: Re: [PATCH] selftests: seccomp: fix compile error seccomp_bpf On 5 January 2018 at 22:01, Anders Roxell <anders.roxell@...aro.org> wrote: > aarch64-linux-gnu-gcc -Wl,-no-as-needed -Wall > -lpthread seccomp_bpf.c -o seccomp_bpf > seccomp_bpf.c: In function 'tracer_ptrace': > seccomp_bpf.c:1720:12: error: '__NR_open' undeclared > (first use in this function) > if (nr == __NR_open) > ^~~~~~~~~ > seccomp_bpf.c:1720:12: note: each undeclared identifier is reported > only once for each function it appears in > In file included from seccomp_bpf.c:48:0: > seccomp_bpf.c: In function 'TRACE_syscall_ptrace_syscall_dropped': > seccomp_bpf.c:1795:39: error: '__NR_open' undeclared > (first use in this function) > EXPECT_SYSCALL_RETURN(EPERM, syscall(__NR_open)); > ^ > open(2) is a legacy syscall, replaced with openat(2) since 2.6.16. > Thus new architectures in the kernel, such as arm64, don't implement > these legacy syscalls. > > Signed-off-by: Anders Roxell <anders.roxell@...aro.org> Thanks for the patch Anders. Tested-by: Naresh Kamboju <naresh.kamboju@...aro.org> > --- > tools/testing/selftests/seccomp/seccomp_bpf.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c > index 24dbf634e2dd..0b457e8e0f0c 100644 > --- a/tools/testing/selftests/seccomp/seccomp_bpf.c > +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c > @@ -1717,7 +1717,7 @@ void tracer_ptrace(struct __test_metadata *_metadata, pid_t tracee, > > if (nr == __NR_getpid) > change_syscall(_metadata, tracee, __NR_getppid); > - if (nr == __NR_open) > + if (nr == __NR_openat) > change_syscall(_metadata, tracee, -1); > } > > @@ -1792,7 +1792,7 @@ TEST_F(TRACE_syscall, ptrace_syscall_dropped) > true); > > /* Tracer should skip the open syscall, resulting in EPERM. */ > - EXPECT_SYSCALL_RETURN(EPERM, syscall(__NR_open)); > + EXPECT_SYSCALL_RETURN(EPERM, syscall(__NR_openat)); > } > > TEST_F(TRACE_syscall, syscall_allowed) > -- > 2.11.0 >
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