From be4586c1e53580cb213ae3b3e2ea099b564107e4 Mon Sep 17 00:00:00 2001
From: Radzivon Bartoshyk <radzivon.bartoshyk@proton.me>
Date: Thu, 5 Dec 2024 12:21:23 +0000
Subject: [PATCH] Fuzzing YUV400, No response

---
 .github/workflows/no-response.yml |  3 ++
 fuzz/Cargo.toml                   |  7 +++
 fuzz/y_to_rgb/y_to_rgb.rs         | 73 +++++++++++++++++++++++++++++++
 3 files changed, 83 insertions(+)
 create mode 100644 fuzz/y_to_rgb/y_to_rgb.rs

diff --git a/.github/workflows/no-response.yml b/.github/workflows/no-response.yml
index a4b4351d..fc5cbc5d 100644
--- a/.github/workflows/no-response.yml
+++ b/.github/workflows/no-response.yml
@@ -7,6 +7,9 @@ on:
 
 jobs:
   noResponse:
+    permissions:
+      issues: write
+      pull-requests: write
     runs-on: ubuntu-latest
     steps:
       - uses: actions/stale@v9
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 08573121..0e0bf46c 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -24,3 +24,10 @@ path = "yuv_nv_to_rgb/yuv_nv_to_rgb.rs"
 test = false
 doc = false
 bench = false
+
+[[bin]]
+name = "y_to_rgb"
+path = "y_to_rgb/y_to_rgb.rs"
+test = false
+doc = false
+bench = false
diff --git a/fuzz/y_to_rgb/y_to_rgb.rs b/fuzz/y_to_rgb/y_to_rgb.rs
new file mode 100644
index 00000000..11ebd199
--- /dev/null
+++ b/fuzz/y_to_rgb/y_to_rgb.rs
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) Radzivon Bartoshyk, 12/2024. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2.  Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3.  Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#![no_main]
+use libfuzzer_sys::fuzz_target;
+use yuvutils_rs::{yuv400_to_rgb, yuv400_to_rgba, YuvGrayImage, YuvRange, YuvStandardMatrix};
+
+fuzz_target!(|data: (u8, u8, u8)| {
+    fuzz_yuv(data.0, data.1, data.2);
+});
+
+fn fuzz_yuv(i_width: u8, i_height: u8, y_value: u8) {
+    if i_height == 0 || i_width == 0 {
+        return;
+    }
+
+    let y_plane = vec![y_value; i_height as usize * i_width as usize];
+
+    let planar_image = YuvGrayImage {
+        y_plane: &y_plane,
+        y_stride: i_width as u32,
+        width: i_width as u32,
+        height: i_height as u32,
+    };
+
+    let mut target_rgb = vec![0u8; i_width as usize * i_height as usize * 3];
+
+    yuv400_to_rgb(
+        &planar_image,
+        &mut target_rgb,
+        i_width as u32 * 3,
+        YuvRange::Limited,
+        YuvStandardMatrix::Bt601,
+    )
+    .unwrap();
+
+    let mut target_rgba = vec![0u8; i_width as usize * i_height as usize * 4];
+
+    yuv400_to_rgba(
+        &planar_image,
+        &mut target_rgba,
+        i_width as u32 * 4,
+        YuvRange::Limited,
+        YuvStandardMatrix::Bt601,
+    )
+    .unwrap();
+}