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selftests/bpf: Skip lsm_cgroup when we don't have trampolines

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With arch_prepare_bpf_trampoline removed on x86:

  [...]
  #98/1    lsm_cgroup/functional:SKIP
  #98      lsm_cgroup:SKIP
  Summary: 1/0 PASSED, 1 SKIPPED, 0 FAILED

Fixes: dca85aac8895 ("selftests/bpf: lsm_cgroup functional test")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Hao Luo <haoluo@google.com>
Link: https://lore.kernel.org/bpf/20220630224203.512815-1-sdf@google.com
This commit is contained in:
Stanislav Fomichev 2022-06-30 15:42:03 -07:00 committed by Daniel Borkmann
parent 7a255ae772
commit b0d93b4464
1 changed files with 8 additions and 0 deletions
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8
tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c
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@ -9,6 +9,10 @@
#include "cgroup_helpers.h"
#include "network_helpers.h"
#ifndef ENOTSUPP
#define ENOTSUPP 524
#endif
static struct btf *btf;
static __u32 query_prog_cnt(int cgroup_fd, const char *attach_func)
@ -100,6 +104,10 @@ static void test_lsm_cgroup_functional(void)
ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_sk_alloc_security"), 0, "prog count");
ASSERT_EQ(query_prog_cnt(cgroup_fd, NULL), 0, "total prog count");
err = bpf_prog_attach(alloc_prog_fd, cgroup_fd, BPF_LSM_CGROUP, 0);
if (err == -ENOTSUPP) {
test__skip();
goto close_cgroup;
}
if (!ASSERT_OK(err, "attach alloc_prog_fd"))
goto detach_cgroup;
ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_sk_alloc_security"), 1, "prog count");