PR #21526 opened by michaelni
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21526
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21526.patch

Fixes: Timeout
Fixes: 
471975516/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MAGICYUV_DEC_fuzzer-5987279668838400

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>


>From 60bd857d9d0584f1c2884e75b1f9f95aaeb77f80 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <[email protected]>
Date: Tue, 20 Jan 2026 02:01:58 +0100
Subject: [PATCH] tools/target_dec_fuzzer: adjust threshold for MAGICYUV

Fixes: Timeout
Fixes: 
471975516/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MAGICYUV_DEC_fuzzer-5987279668838400

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>
---
 tools/target_dec_fuzzer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index 3fce8de433..c7a5f093c2 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -266,6 +266,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t 
size) {
     case AV_CODEC_ID_LOCO:        maxpixels  /= 1024;  break;
     case AV_CODEC_ID_VORBIS:      maxsamples /= 1024;  break;
     case AV_CODEC_ID_LSCR:        maxpixels  /= 16;    break;
+    case AV_CODEC_ID_MAGICYUV:    maxpixels  /= 256;   break;
     case AV_CODEC_ID_MMVIDEO:     maxpixels  /= 256;   break;
     case AV_CODEC_ID_MOTIONPIXELS:maxpixels  /= 256;   break;
     case AV_CODEC_ID_MP4ALS:      maxsamples /= 65536;
-- 
2.52.0

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