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Let fuzzer_encoder_v2 use tmp files to improve coverage

This commit is contained in:
Martijn van Beurden 2022-05-19 09:02:25 +02:00
parent 2b4ba6013e
commit 383b77fa08
1 changed files with 11 additions and 4 deletions
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15
oss-fuzz/fuzzer_encoder_v2.cc
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@ -59,7 +59,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
unsigned sample_rate, channels, bps;
uint64_t samples_estimate;
unsigned compression_level, input_data_width, blocksize, max_lpc_order, qlp_coeff_precision, min_residual_partition_order, max_residual_partition_order, metadata_mask, instruction_set_disable_mask;
FLAC__bool ogg, interleaved;
FLAC__bool ogg, write_to_file, interleaved;
FLAC__bool data_bools[24];
@ -99,6 +99,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
ogg = data_bools[0];
interleaved = data_bools[1];
write_to_file = data_bools[13];
/* Set input and process parameters */
encoder_valid &= FLAC__stream_encoder_set_verify(encoder, data_bools[2]);
@ -136,7 +137,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
encoder_valid &= FLAC__stream_encoder_disable_verbatim_subframes(encoder, data_bools[12]);
}
/* data_bools[13..15] are spare */
/* data_bools[14..15] are spare */
/* add metadata */
if(encoder_valid && (metadata_mask & 1)) {
@ -196,9 +197,15 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
if(encoder_valid) {
FLAC__StreamEncoderInitStatus init_status;
if(ogg)
init_status = FLAC__stream_encoder_init_ogg_stream(encoder, NULL, write_callback, NULL, NULL, NULL, NULL);
if(write_to_file)
init_status = FLAC__stream_encoder_init_ogg_file(encoder, "/tmp/tmp.flac", NULL, NULL);
else
init_status = FLAC__stream_encoder_init_ogg_stream(encoder, NULL, write_callback, NULL, NULL, NULL, NULL);
else
init_status = FLAC__stream_encoder_init_stream(encoder, write_callback, NULL, NULL, NULL, NULL);
if(write_to_file)
init_status = FLAC__stream_encoder_init_file(encoder, "/tmp/tmp.flac", NULL, NULL);
else
init_status = FLAC__stream_encoder_init_stream(encoder, write_callback, NULL, NULL, NULL, NULL);
if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) {
encoder_valid = false;
}