Commit 01d434ce authored Dec 02, 2019 by Stanislav Fomichev Committed by Alexei Starovoitov Dec 04, 2019

selftests/bpf: Don't hard-code root cgroup id



Commit 40430452 ("kernfs: use 64bit inos if ino_t is 64bit") changed
the way cgroup ids are exposed to the userspace. Instead of assuming
fixed root id, let's query it.

Fixes: 40430452 ("kernfs: use 64bit inos if ino_t is 64bit")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20191202200143.250793-1-sdf@google.com

parent edbca120

tools/testing/selftests/bpf/test_skb_cgroup_id_user.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -120,7 +120,7 @@ int check_ancestor_cgroup_ids(int prog_id)
		int err = 0;
		int map_fd;

		expected_ids[0] = 0x100000001; /* root cgroup */
		expected_ids[0] = get_cgroup_id("/.."); /* root cgroup */
		expected_ids[1] = get_cgroup_id("");
		expected_ids[2] = get_cgroup_id(CGROUP_PATH);
		expected_ids[3] = 0; /* non-existent cgroup */

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