/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include #include "alloc-util.h" #include "fd-util.h" #include "fuzz.h" #include "manager-serialize.h" #include "manager.h" #include "service.h" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { _cleanup_(manager_freep) Manager *m = NULL; _cleanup_fclose_ FILE *f = NULL, *null = NULL; _cleanup_fdset_free_ FDSet *fdset = NULL; /* We don't want to fill the logs with messages about parse errors. * Disable most logging if not running standalone. */ if (!getenv("SYSTEMD_LOG_LEVEL")) { log_set_max_level(LOG_CRIT); log_set_target(LOG_TARGET_NULL); } assert_se(manager_new(RUNTIME_SCOPE_SYSTEM, MANAGER_TEST_RUN_MINIMAL, &m) >= 0); /* Set log overrides as well to make it harder for a serialization file * to switch log levels/targets during fuzzing */ manager_override_log_level(m, log_get_max_level()); manager_override_log_target(m, log_get_target()); assert_se(null = fopen("/dev/null", "we")); assert_se(fdset = fdset_new()); assert_se(f = data_to_file(data, size)); (void) manager_deserialize(m, f, fdset); (void) manager_serialize(m, null, fdset, true); (void) manager_serialize(m, null, fdset, false); return 0; }