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-rw-r--r--src/boot/efi/fuzz-bcd.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/boot/efi/fuzz-bcd.c b/src/boot/efi/fuzz-bcd.c
new file mode 100644
index 0000000..cb5be7a
--- /dev/null
+++ b/src/boot/efi/fuzz-bcd.c
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "alloc-util.h"
+#include "bcd.h"
+#include "fuzz.h"
+#include "utf8.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+ _cleanup_free_ void *p = NULL;
+
+ /* This limit was borrowed from src/boot/efi/boot.c */
+ if (outside_size_range(size, 0, 100*1024))
+ return 0;
+
+ fuzz_setup_logging();
+
+ p = memdup(data, size);
+ assert_se(p);
+
+ char16_t *title = get_bcd_title(p, size);
+ /* If we get something, it must be NUL-terminated, but an empty string is still valid! */
+ DO_NOT_OPTIMIZE(title && char16_strlen(title));
+ return 0;
+}