[FFmpeg-cvslog] tools/target_dec_fuzzer: Adjust threshold for ZLIB

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Mon Aug 15 00:07:18 2022 +0200| [104804a718931defe3bf1822df57bb0fe71ffbfc] | committer: Michael Niedermayer

tools/target_dec_fuzzer: Adjust threshold for ZLIB

Fixes: Timeout
Fixes: 49769/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ZLIB_fuzzer-6302938657587200

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=104804a718931defe3bf1822df57bb0fe71ffbfc
---

 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 e1b5d2b3c1..28042077c6 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -298,6 +298,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     case AV_CODEC_ID_WMALOSSLESS: maxsamples /= 1024;  break;
     case AV_CODEC_ID_YLC:         maxpixels  /= 1024;  break;
     case AV_CODEC_ID_ZEROCODEC:   maxpixels  /= 128;   break;
+    case AV_CODEC_ID_ZLIB:        maxpixels  /= 4096;  break;
     }
 
     maxsamples_per_frame = FFMIN(maxsamples_per_frame, maxsamples);