From: Kunwu Chan chentao@kylinos.cn
There is a 'malloc' call, which can be unsuccessful. Add the malloc failure checking to avoid possible null dereference and give more information about test fail reasons.
Signed-off-by: Kunwu Chan chentao@kylinos.cn --- tools/testing/selftests/bpf/prog_tests/sockopt.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt.c b/tools/testing/selftests/bpf/prog_tests/sockopt.c index 5a4491d4edfe..bde63e1f74dc 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockopt.c +++ b/tools/testing/selftests/bpf/prog_tests/sockopt.c @@ -1100,6 +1100,12 @@ static int run_test(int cgroup_fd, struct sockopt_test *test, bool use_io_uring) }
optval = malloc(test->get_optlen); + if (!optval) { + log_err("Failed to allocate memory"); + ret = -1; + goto close_sock_fd; + } + memset(optval, 0, test->get_optlen); socklen_t optlen = test->get_optlen; socklen_t expected_get_optlen = test->get_optlen_ret ?: