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Message-Id: <20180105163118.22598-1-anders.roxell@linaro.org> Date: Fri, 5 Jan 2018 17:31:18 +0100 From: Anders Roxell <anders.roxell@...aro.org> To: linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org Cc: shuah@...nel.org, wad@...omium.org, luto@...capital.net, keescook@...omium.org, Anders Roxell <anders.roxell@...aro.org> Subject: [PATCH] selftests: seccomp: fix compile error seccomp_bpf 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> --- 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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