Adding upstream version 252.22.upstream/252.22upstream

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

1 files changed, 26 insertions, 0 deletions

diff --git a/src/fuzz/fuzz-udev-database.c b/src/fuzz/fuzz-udev-database.c
new file mode 100644
index 0000000..2a48c14
--- /dev/null
+++ b/src/fuzz/fuzz-udev-database.c
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "device-internal.h"
+#include "device-private.h"
+#include "fd-util.h"
+#include "fs-util.h"
+#include "fuzz.h"
+#include "tmpfile-util.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+        _cleanup_(sd_device_unrefp) sd_device *dev = NULL;
+        _cleanup_(unlink_tempfilep) char filename[] = "/tmp/fuzz-udev-database.XXXXXX";
+        _cleanup_fclose_ FILE *f = NULL;
+
+        if (!getenv("SYSTEMD_LOG_LEVEL"))
+                log_set_max_level(LOG_CRIT);
+
+        assert_se(fmkostemp_safe(filename, "r+", &f) == 0);
+        if (size != 0)
+                assert_se(fwrite(data, size, 1, f) == 1);
+
+        fflush(f);
+        assert_se(device_new_aux(&dev) >= 0);
+        (void) device_read_db_internal_filename(dev, filename);
+        return 0;
+}