Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/src/core/fuzz-manager-serialize.c b/src/core/fuzz-manager-serialize.c
new file mode 100644
index 0000000..57083ca
--- /dev/null
+++ b/src/core/fuzz-manager-serialize.c
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <stdio.h>
+
+#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;
+
+        if (outside_size_range(size, 0, 65536))
+                return 0;
+
+        fuzz_setup_logging();
+
+        assert_se(manager_new(RUNTIME_SCOPE_SYSTEM, MANAGER_TEST_RUN_MINIMAL|MANAGER_TEST_DONT_OPEN_EXECUTOR, &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;
+}