fuzz: do not assume the existence of /sys/class/net/lo

Hopefully fixes oss-fuzz#13440.

diff --git a/src/fuzz/fuzz-udev-database.c b/src/fuzz/fuzz-udev-database.c
index d592d23c9e4e83635b88b9ab25f4e4644a12a9aa..9d7c0fa3e12a63ab84003bda021c25255c79ba3a 100644 (file)
--- a/src/fuzz/fuzz-udev-database.c
+++ b/src/fuzz/fuzz-udev-database.c
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
 
+#include "device-internal.h"
 #include "device-private.h"
 #include "fd-util.h"
 #include "fs-util.h"
@@ -19,7 +20,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
                 assert_se(fwrite(data, size, 1, f) == 1);
 
         fflush(f);
-        assert_se(sd_device_new_from_syspath(&dev, "/sys/class/net/lo") >= 0);
+        assert_se(device_new_aux(&dev) >= 0);
         (void) device_read_db_internal_filename(dev, filename);
         return 0;
 }