From 92672b1520c49b61784b10d2f8ca87ef5290513c Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Tue, 21 Dec 2021 12:11:00 +0100
Subject: [PATCH] Meta: Add a fuzzer for the QOILoader

---
 Meta/Lagom/Fuzzers/CMakeLists.txt    |  1 +
 Meta/Lagom/Fuzzers/FuzzQOILoader.cpp | 16 ++++++++++++++++
 Userland/Utilities/test-fuzz.cpp     |  5 +++++
 3 files changed, 22 insertions(+)
 create mode 100644 Meta/Lagom/Fuzzers/FuzzQOILoader.cpp

diff --git a/Meta/Lagom/Fuzzers/CMakeLists.txt b/Meta/Lagom/Fuzzers/CMakeLists.txt
index 96430496ce..da2c8e37f7 100644
--- a/Meta/Lagom/Fuzzers/CMakeLists.txt
+++ b/Meta/Lagom/Fuzzers/CMakeLists.txt
@@ -34,6 +34,7 @@ add_simple_fuzzer(FuzzPBMLoader LagomGfx)
 add_simple_fuzzer(FuzzPGMLoader LagomGfx)
 add_simple_fuzzer(FuzzPPMLoader LagomGfx)
 add_simple_fuzzer(FuzzPDF LagomPDF)
+add_simple_fuzzer(FuzzQOILoader LagomGfx)
 add_simple_fuzzer(FuzzQuotedPrintableParser LagomIMAP)
 add_simple_fuzzer(FuzzHebrewDecoder LagomTextCodec)
 add_simple_fuzzer(FuzzHttpRequest LagomHTTP)
diff --git a/Meta/Lagom/Fuzzers/FuzzQOILoader.cpp b/Meta/Lagom/Fuzzers/FuzzQOILoader.cpp
new file mode 100644
index 0000000000..4714b9f738
--- /dev/null
+++ b/Meta/Lagom/Fuzzers/FuzzQOILoader.cpp
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2020, the SerenityOS developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibGfx/QOILoader.h>
+#include <stddef.h>
+#include <stdint.h>
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size)
+{
+    Gfx::QOIImageDecoderPlugin decoder(data, size);
+    (void)decoder.frame(0);
+    return 0;
+}
diff --git a/Userland/Utilities/test-fuzz.cpp b/Userland/Utilities/test-fuzz.cpp
index 6bcca2097a..1ca6bb203b 100644
--- a/Userland/Utilities/test-fuzz.cpp
+++ b/Userland/Utilities/test-fuzz.cpp
@@ -24,6 +24,7 @@
     T(PGMLoader)             \
     T(PNGLoader)             \
     T(PPMLoader)             \
+    T(QOILoader)             \
     T(RegexECMA262)          \
     T(RegexPosixExtended)    \
     T(Shell)                 \
@@ -87,6 +88,10 @@ ENUMERATE_TARGETS(__ENUMERATE_TARGET)
 #include <Meta/Lagom/Fuzzers/FuzzPPMLoader.cpp>
 #undef LLVMFuzzerTestOneInput
 
+#define LLVMFuzzerTestOneInput TestQOILoader
+#include <Meta/Lagom/Fuzzers/FuzzQOILoader.cpp>
+#undef LLVMFuzzerTestOneInput
+
 #define LLVMFuzzerTestOneInput TestRegexECMA262
 #include <Meta/Lagom/Fuzzers/FuzzRegexECMA262.cpp>
 #undef LLVMFuzzerTestOneInput