Adding upstream version 255.4.upstream/255.4

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

1 files changed, 34 insertions, 0 deletions

diff --git a/src/fuzz/fuzz-varlink-idl.c b/src/fuzz/fuzz-varlink-idl.c
new file mode 100644
index 0000000..2436342
--- /dev/null
+++ b/src/fuzz/fuzz-varlink-idl.c
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <unistd.h>
+
+#include "errno-util.h"
+#include "fd-util.h"
+#include "fuzz.h"
+#include "io-util.h"
+#include "varlink-idl.h"
+#include "log.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+        _cleanup_(varlink_interface_freep) VarlinkInterface *vi = NULL;
+        _cleanup_free_ char *str = NULL, *dump = NULL;
+        int r;
+
+        if (outside_size_range(size, 0, 64 * 1024))
+                return 0;
+
+        fuzz_setup_logging();
+
+        assert_se(str = memdup_suffix0(data, size));
+
+        r = varlink_idl_parse(str, /* line= */ NULL, /* column= */ NULL, &vi);
+        if (r < 0) {
+                log_debug_errno(r, "Failed to parse varlink interface definition: %m");
+                return 0;
+        }
+
+        assert_se(varlink_idl_format(vi, &dump) >= 0);
+        (void) varlink_idl_consistent(vi, LOG_DEBUG);
+
+        return 0;
+}