Lagom/Fuzzers: Add fuzzer for PDF document

2 files changed, 24 insertions, 0 deletions

diff --git a/Meta/Lagom/Fuzzers/CMakeLists.txt b/Meta/Lagom/Fuzzers/CMakeLists.txt
index ffd286a893..96430496ce 100644
--- a/Meta/Lagom/Fuzzers/CMakeLists.txt
+++ b/Meta/Lagom/Fuzzers/CMakeLists.txt
@@ -33,6 +33,7 @@ add_simple_fuzzer(FuzzPNGLoader LagomGfx)
 add_simple_fuzzer(FuzzPBMLoader LagomGfx)
 add_simple_fuzzer(FuzzPGMLoader LagomGfx)
 add_simple_fuzzer(FuzzPPMLoader LagomGfx)
+add_simple_fuzzer(FuzzPDF LagomPDF)
 add_simple_fuzzer(FuzzQuotedPrintableParser LagomIMAP)
 add_simple_fuzzer(FuzzHebrewDecoder LagomTextCodec)
 add_simple_fuzzer(FuzzHttpRequest LagomHTTP)
diff --git a/Meta/Lagom/Fuzzers/FuzzPDF.cpp b/Meta/Lagom/Fuzzers/FuzzPDF.cpp
new file mode 100644
index 0000000000..733fcb7e5c
--- /dev/null
+++ b/Meta/Lagom/Fuzzers/FuzzPDF.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2021, the SerenityOS developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibPDF/Document.h>
+#include <stdint.h>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    ReadonlyBytes bytes { data, size };
+    auto doc = PDF::Document::create(bytes);
+
+    if (doc) {
+        auto pages = doc->get_page_count();
+        for (size_t i = 0; i < pages; ++i) {
+            (void)doc->get_page(i);
+        }
+    }
+
+    return 0;
+}