| Message ID | 20190824230030.17444-1-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 02a44ed0c8022da6c9c5bab7e5fb734dccefe587 |
| Headers | show |
sön 2019-08-25 klockan 01:00 +0200 skrev Michael Niedermayer: > 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 > 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 7bf25608ba..dd204eb5a6 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; Fine by me /Tomas
diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c index 7bf25608ba..dd204eb5a6 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;
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 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- tools/target_dec_fuzzer.c | 1 + 1 file changed, 1 insertion(+)