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-rw-r--r--tools/testing/selftests/seccomp/seccomp_bpf.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 5df609950a66..168c66d74fc5 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -2860,6 +2860,7 @@ TEST(get_metadata)
int pipefd[2];
char buf;
struct seccomp_metadata md;
+ long ret;
ASSERT_EQ(0, pipe(pipefd));
@@ -2893,16 +2894,26 @@ TEST(get_metadata)
ASSERT_EQ(0, ptrace(PTRACE_ATTACH, pid));
ASSERT_EQ(pid, waitpid(pid, NULL, 0));
+ /* Past here must not use ASSERT or child process is never killed. */
+
md.filter_off = 0;
- ASSERT_EQ(sizeof(md), ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md));
+ errno = 0;
+ ret = ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md);
+ EXPECT_EQ(sizeof(md), ret) {
+ if (errno == EINVAL)
+ XFAIL(goto skip, "Kernel does not support PTRACE_SECCOMP_GET_METADATA (missing CONFIG_CHECKPOINT_RESTORE?)");
+ }
+
EXPECT_EQ(md.flags, SECCOMP_FILTER_FLAG_LOG);
EXPECT_EQ(md.filter_off, 0);
md.filter_off = 1;
- ASSERT_EQ(sizeof(md), ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md));
+ ret = ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md);
+ EXPECT_EQ(sizeof(md), ret);
EXPECT_EQ(md.flags, 0);
EXPECT_EQ(md.filter_off, 1);
+skip:
ASSERT_EQ(0, kill(pid, SIGKILL));
}