From: Stanislav Fomichev <sdf@google•com>
To: netdev@vger•kernel.org, bpf@vger•kernel.org
Cc: ast@kernel•org, daniel@iogearbox•net, andrii@kernel•org,
Stanislav Fomichev <sdf@google•com>
Subject: [PATCH bpf-next v2 2/2] selftests/bpf: verify bpf_get_netns_cookie in BPF_PROG_TYPE_CGROUP_SOCKOPT
Date: Thu, 12 Aug 2021 08:30:11 -0700 [thread overview]
Message-ID: <20210812153011.983006-3-sdf@google.com> (raw)
In-Reply-To: <20210812153011.983006-1-sdf@google.com>
Add verifier ctx test to call bpf_get_netns_cookie from
cgroup/setsockopt.
#269/p pass ctx or null check, 1: ctx Did not run the program (not supported) OK
#270/p pass ctx or null check, 2: null Did not run the program (not supported) OK
#271/p pass ctx or null check, 3: 1 OK
#272/p pass ctx or null check, 4: ctx - const OK
#273/p pass ctx or null check, 5: null (connect) Did not run the program (not supported) OK
#274/p pass ctx or null check, 6: null (bind) Did not run the program (not supported) OK
#275/p pass ctx or null check, 7: ctx (bind) Did not run the program (not supported) OK
#276/p pass ctx or null check, 8: null (bind) OK
#277/p pass ctx or null check, 9: ctx (cgroup/setsockopt) Did not run the program (not supported) OK
#278/p pass ctx or null check, 10: null (cgroup/setsockopt) Did not run the program (not supported) OK
Signed-off-by: Stanislav Fomichev <sdf@google•com>
---
tools/testing/selftests/bpf/verifier/ctx.c | 25 ++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/tools/testing/selftests/bpf/verifier/ctx.c b/tools/testing/selftests/bpf/verifier/ctx.c
index 23080862aafd..3e7fdbf898b1 100644
--- a/tools/testing/selftests/bpf/verifier/ctx.c
+++ b/tools/testing/selftests/bpf/verifier/ctx.c
@@ -195,3 +195,28 @@
.result = REJECT,
.errstr = "R1 type=inv expected=ctx",
},
+{
+ "pass ctx or null check, 9: ctx (cgroup/setsockopt)",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_get_netns_cookie),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+ .result = ACCEPT,
+},
+{
+ "pass ctx or null check, 10: null (cgroup/setsockopt)",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_get_netns_cookie),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+ .result = ACCEPT,
+},
--
2.33.0.rc1.237.g0d66db33f3-goog
prev parent reply other threads:[~2021-08-12 15:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-12 15:30 [PATCH bpf-next v2 0/2] bpf: Allow bpf_get_netns_cookie in BPF_PROG_TYPE_CGROUP_SOCKOPT Stanislav Fomichev
2021-08-12 15:30 ` [PATCH bpf-next v2 1/2] " Stanislav Fomichev
2021-08-13 19:58 ` Martin KaFai Lau
2021-08-13 21:23 ` sdf
2021-08-12 15:30 ` Stanislav Fomichev [this message]
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