[FFmpeg-devel] [PATCH 2/2] tools/target_dec_fuzzer: Set ALS max order to 15 (ALS simple profile)

Michael Niedermayer michael at niedermayer.cc
Tue Jul 22 04:48:39 EEST 2025


Fixes: Timeout
Fixes: 429645375/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5377900448907264

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 tools/target_dec_fuzzer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index 96d65c7b69e..dcfc64b18a3 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -265,7 +265,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     case AV_CODEC_ID_LSCR:        maxpixels  /= 16;    break;
     case AV_CODEC_ID_MMVIDEO:     maxpixels  /= 256;   break;
     case AV_CODEC_ID_MOTIONPIXELS:maxpixels  /= 256;   break;
-    case AV_CODEC_ID_MP4ALS:      maxsamples /= 65536; break;
+    case AV_CODEC_ID_MP4ALS:      maxsamples /= 65536;
+                                  av_dict_set_int(&opts, "max_order", 15, 0);
+                                  break;
     case AV_CODEC_ID_MSA1:        maxpixels  /= 16384; break;
     case AV_CODEC_ID_MSCC:        maxpixels  /= 4096;  break;
     case AV_CODEC_ID_MSRLE:       maxpixels  /= 16;    break;
-- 
2.49.0



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