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tools/target_dec_fuzzer: adjust pixel threshold for MSRLE, as it allows coding gigantic images on tiny input

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Fixes: Timeout (12sec ->2sec)
Fixes: 16125/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSRLE_fuzzer-5650846364205056

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2019-08-12 21:17:02 +02:00
parent f2d522f2a8
commit df7e79a5c3
1 changed files with 1 additions and 0 deletions
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tools/target_dec_fuzzer.c
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@@ -170,6 +170,7 @@ 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_MSRLE: maxpixels /= 16; break;
case AV_CODEC_ID_QTRLE: maxpixels /= 16; break;
case AV_CODEC_ID_GIF: maxpixels /= 16; break;
// Performs slow frame rescaling in C