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tools/target_dec_fuzzer: Stop negative block_align and sampling rate 

These are checked for early in avcodec_open2() and do not really test the decoder
but instead waste resources which could be better spend fuzzing the actual decoder

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-12-28 20:16:24 +01:00
parent f78dc66089
commit c1411a1132
1 changed files with 2 additions and 2 deletions
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4
tools/target_dec_fuzzer.c
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@ -206,9 +206,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
extradata_size = bytestream2_get_le32(&gbc);
ctx->sample_rate = bytestream2_get_le32(&gbc);
ctx->sample_rate = bytestream2_get_le32(&gbc) & 0x7FFFFFFF;
ctx->channels = (unsigned)bytestream2_get_le32(&gbc) % FF_SANE_NB_CHANNELS;
ctx->block_align = bytestream2_get_le32(&gbc);
ctx->block_align = bytestream2_get_le32(&gbc) & 0x7FFFFFFF;
ctx->codec_tag = bytestream2_get_le32(&gbc);
keyframes = bytestream2_get_le64(&gbc);
ctx->request_channel_layout = bytestream2_get_le64(&gbc);