From: michaelni via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: michaelni <code@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH] tools/target_dec_fuzzer: Adjust threshold for ZMBV (PR #21276)
Date: Tue, 23 Dec 2025 02:56:23 -0000
Message-ID: <176645858459.60.13913958233578828112@2cb04c0e5124> (raw)
PR #21276 opened by michaelni
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21276
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21276.patch
Fixes: Timeout
Fixes: 464041539/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ZMBV_DEC_fuzzer-4758337414823936
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
>From dc36ec2b8d239823ec859bdc7a1691b38d725a38 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Mon, 22 Dec 2025 23:29:32 +0100
Subject: [PATCH] tools/target_dec_fuzzer: Adjust threshold for ZMBV
Fixes: Timeout
Fixes: 464041539/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ZMBV_DEC_fuzzer-4758337414823936
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
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 a40dc01248..3fce8de433 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -346,6 +346,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
case AV_CODEC_ID_YLC: maxpixels /= 1024; break;
case AV_CODEC_ID_ZEROCODEC: maxpixels /= 128; break;
case AV_CODEC_ID_ZLIB: maxpixels /= 4096; break;
+ case AV_CODEC_ID_ZMBV: maxpixels /= 4096; break;
}
maxsamples_per_frame = FFMIN(maxsamples_per_frame, maxsamples);
--
2.49.1
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