linux-kernel - [PATCH] seccomp: fix compilation errors in seccomp-bpf kselftest

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Message-ID: <20190822215823.GA11292@ip-172-31-44-144.us-west-2.compute.internal>
Date:   Thu, 22 Aug 2019 21:58:23 +0000
From:   Alakesh Haloi <alakesh.haloi@...il.com>
To:     Kees Cook <keescook@...omium.org>,
        Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>, Shuah Khan <shuah@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>
Cc:     linux-kselftest@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] seccomp: fix compilation errors in seccomp-bpf kselftest

Without this patch we see following error while building and kselftest
for secccomp_bpf fails.

seccomp_bpf.c:1787:20: error: ‘PTRACE_EVENTMSG_SYSCALL_ENTRY’ undeclared (first use in this function);
seccomp_bpf.c:1788:6: error: ‘PTRACE_EVENTMSG_SYSCALL_EXIT’ undeclared (first use in this function);

Signed-off-by: Alakesh Haloi <alakesh.haloi@...il.com>
---
 tools/testing/selftests/seccomp/seccomp_bpf.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 6ef7f16c4cf5..2e619760fc3e 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -1353,6 +1353,14 @@ TEST_F(precedence, log_is_fifth_in_any_order)
 #define PTRACE_EVENT_SECCOMP 7
 #endif
 
+#ifndef PTRACE_EVENTMSG_SYSCALL_ENTRY
+#define PTRACE_EVENTMSG_SYSCALL_ENTRY 1
+#endif
+
+#ifndef PTRACE_EVENTMSG_SYSCALL_EXIT
+#define PTRACE_EVENTMSG_SYSCALL_EXIT 2
+#endif
+
 #define IS_SECCOMP_EVENT(status) ((status >> 16) == PTRACE_EVENT_SECCOMP)
 bool tracer_running;
 void tracer_stop(int sig)
-- 
2.17.1