PR #23324 opened by michaelni
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23324
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23324.patch

Fixes: Timeout
Fixes: 
511356573/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5010010110492672
Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>



>From 6a1fa00b7542c145ca22f0c2ab0c30af3ea0969a Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <[email protected]>
Date: Wed, 3 Jun 2026 20:07:08 +0200
Subject: [PATCH] tools/target_dec_fuzzer: reduce 4XM max pixels to avoid
 timeout

Fixes: Timeout
Fixes: 
511356573/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5010010110492672
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 dff354545a..a59818eea6 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -211,6 +211,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t 
size) {
     maxpixels = maxpixels_per_frame * maxiteration;
     maxsamples = maxsamples_per_frame * maxiteration;
     switch (c->p.id) {
+    case AV_CODEC_ID_4XM:         maxpixels  /= 64;    break;
     case AV_CODEC_ID_AASC:        maxpixels  /= 1024;  break;
     case AV_CODEC_ID_AGM:         maxpixels  /= 1024;  break;
     case AV_CODEC_ID_ANM:         maxpixels  /= 1024;  break;
-- 
2.52.0

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