From 02a44ed0c8022da6c9c5bab7e5fb734dccefe587 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 25 Aug 2019 01:00:30 +0200 Subject: [PATCH] tools/target_dec_fuzzer: Increase maxpixels threshold for dirac MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit wavelets allow significant size expansion and they are also not very fast. Fixes: Timeout Fixes: 16480/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5659892689403904 (108sec -> 17ms) Fixes: 16480/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5749422717140992 (big ->15sec) Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Tomas Härdin Signed-off-by: Michael Niedermayer --- 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 9dd6a5ef0b..c6b506b1ae 100644 --- a/tools/target_dec_fuzzer.c +++ b/tools/target_dec_fuzzer.c @@ -128,6 +128,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { maxpixels = maxpixels_per_frame * maxiteration; switch (c->id) { // Allows a small input to generate gigantic output + case AV_CODEC_ID_DIRAC: maxpixels /= 8192; break; case AV_CODEC_ID_MSRLE: maxpixels /= 16; break; case AV_CODEC_ID_QTRLE: maxpixels /= 16; break; case AV_CODEC_ID_GIF: maxpixels /= 16; break;