diff mbox series

[3/3] selftests/bpf: add wrong type test to cgroup dev

Message ID 20240725-convert_dev_cgroup-v1-3-2c8cbd487c44@bootlin.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series selftests/bpf: convert test_dev_cgroup to test_progs | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch, async
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Commit Message

Alexis Lothoré (eBPF Foundation) July 25, 2024, 1:51 p.m. UTC 
Current cgroup_dev test mostly tests that device operation is accepted or
refused base on passed major/minor (and so, any operation performed during
test involves only char device)

Add a small subtest ensuring that the device type passed to bpf program
allows it to take decisions as well.

Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com>
---
 tools/testing/selftests/bpf/prog_tests/cgroup_dev.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_dev.c b/tools/testing/selftests/bpf/prog_tests/cgroup_dev.c
index 5112b99213ad..f0b6e5d9604b 100644
--- a/tools/testing/selftests/bpf/prog_tests/cgroup_dev.c
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_dev.c
@@ -101,6 +101,9 @@  void test_cgroup_dev(void)
 	if (test__start_subtest("allow-mknod"))
 		test_mknod("/dev/test_dev_cgroup_null", S_IFCHR, 1, 3, 0);
 
+	if (test__start_subtest("deny-mknod-wrong-type"))
+		test_mknod("/dev/test_dev_cgroup_null_block", S_IFBLK, 1, 3, 1);
+
 	if (test__start_subtest("allow-read"))
 		test_read("/dev/urandom", 0);