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[bpf-next,v2,3/3] selftests: bpf: verifier: read netns_dev and netns_ino from struct bpf_sock_ops

Message ID 20190418155652.22181-3-alban@kinvolk.io
State Changes Requested
Delegated to: BPF Maintainers
Headers show
Series [bpf-next,v2,1/3] bpf: sock ops: add netns ino and dev in bpf context | expand

Commit Message

Alban Crequy April 18, 2019, 3:56 p.m. UTC 
From: Alban Crequy <alban@kinvolk.io>

Tested with:
> $ sudo ./test_verifier
> ...
> #905/p sockops accessing bpf_sock_ops->netns_dev and netns_ino, ok OK
> ...
> Summary: 1420 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Alban Crequy <alban@kinvolk.io>

---

Changes since v1:
- This is a new selftest (review from Song)
---
 tools/testing/selftests/bpf/verifier/var_off.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/verifier/var_off.c b/tools/testing/selftests/bpf/verifier/var_off.c
index 8504ac937809..1ad3f64145ba 100644
--- a/tools/testing/selftests/bpf/verifier/var_off.c
+++ b/tools/testing/selftests/bpf/verifier/var_off.c
@@ -246,3 +246,16 @@ 
 	.result = ACCEPT,
 	.prog_type = BPF_PROG_TYPE_LWT_IN,
 },
+{
+	"sockops accessing bpf_sock_ops->netns_dev and netns_ino, ok",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_1, offsetof(struct bpf_sock_ops,
+							   netns_dev)),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_1, offsetof(struct bpf_sock_ops,
+							   netns_ino)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SOCK_OPS,
+},