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fuzzer_encoder_v2, fix 32-bit input and seektable

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This commit is contained in:
Martijn van Beurden 2022-05-26 11:22:04 +02:00
parent febff86af0
commit 5705a61c55
1 changed files with 2 additions and 2 deletions
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4
oss-fuzz/fuzzer_encoder_v2.cc
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@ -84,7 +84,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
samples_estimate = ((uint64_t)data[5] << 32) + ((unsigned)data[6] << 24) + ((unsigned)data[7] << 16) + ((unsigned)data[8] << 8) + data[9];
compression_level = data[10]&0b1111;
input_data_width = 1 + (data[10]&0b1111000)%3; /* Slight bias away from 32-bit (4-byte) */
input_data_width = 1 + (data[10]>>4)%4;
blocksize = ((unsigned)data[11] << 8) + (unsigned)data[12];
max_lpc_order = data[13];
qlp_coeff_precision = data[14];
@ -162,7 +162,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
FLAC__metadata_object_application_set_data(metadata[num_metadata++], application_data, size-20, 0);
}
}
if(encoder_valid && (metadata_mask & 8) > 25){
if(encoder_valid && (metadata_mask & 8) && size > 25){
if((metadata[num_metadata] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE)) == NULL)
encoder_valid = false;
else {