Hi, Andrey.
I noticed you add test_sysctl to tools/bpf, so drop this problem to you.
When I run selftests: bpf: test_sysctl, failed with "(test_sysctl.c:1490: errno: Permission denied) >>> Loading program (./test_sysctl_prog.o) error."
Testing env: "Debian GNU/Linux 9 (stretch)"
kernel: 5.7.0-rc2 5.7.0-rc1 5.6 both failed
Whole run log and kconfig please see the attatchment.
Error info
```
root@vm-snb-42 /usr/src/perf_selftests-x86_64-rhel-7.6-kselftests-ae83d0b416db002fe95601e7f97f64b59514d936/tools/testing/selftests/bpf# ./test_sysctl
Test case: sysctl wrong attach_type .. [PASS] Test case: sysctl:read allow all .. [PASS] Test case: sysctl:read deny all .. [PASS]
[snip]
libbpf: -- END LOG -- libbpf: failed to load program 'cgroup/sysctl' libbpf: failed to load object './test_sysctl_prog.o' (test_sysctl.c:1490: errno: Permission denied) >>> Loading program (./test_sysctl_prog.o) error.
Test case: C prog: read tcp_mem .. [FAIL] Summary: 37 PASSED, 3 FAILED
```