At commit deee2cae27 ("kselftests/bpf: use ping6 as the default ipv6 ping binary if it exists"), it fixed similar issues for shell script, but it missed a same issue in the C code.

Fixes: 371e4fcc9d96 ("selftests/bpf: cgroup local storage-based network counters") CC: Philip Li philip.li@intel.com Reported-by: kernel test robot rong.a.chen@intel.com Signed-off-by: Li Zhijian lizhijian@cn.fujitsu.com --- tools/testing/selftests/bpf/test_netcnt.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/test_netcnt.c b/tools/testing/selftests/bpf/test_netcnt.c index 7887df6..44889bc 100644 --- a/tools/testing/selftests/bpf/test_netcnt.c +++ b/tools/testing/selftests/bpf/test_netcnt.c @@ -81,7 +81,11 @@ int main(int argc, char **argv) goto err; }

- assert(system("ping localhost -6 -c 10000 -f -q > /dev/null") == 0); + if (system("which ping6 &>/dev/null") == 0) { + assert(system("ping6 localhost -c 10000 -f -q > /dev/null") == 0); + } else { + assert(system("ping -6 localhost -c 10000 -f -q > /dev/null") == 0); + }

if (bpf_prog_query(cgroup_fd, BPF_CGROUP_INET_EGRESS, 0, NULL, NULL, &prog_cnt)) {