From 383b77fa08dad82e670779871244851c9dd5f19c Mon Sep 17 00:00:00 2001 From: Martijn van Beurden Date: Thu, 19 May 2022 09:02:25 +0200 Subject: Let fuzzer_encoder_v2 use tmp files to improve coverage --- oss-fuzz/fuzzer_encoder_v2.cc | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) (limited to 'oss-fuzz') diff --git a/oss-fuzz/fuzzer_encoder_v2.cc b/oss-fuzz/fuzzer_encoder_v2.cc index 85a8bf8e..96865501 100644 --- a/oss-fuzz/fuzzer_encoder_v2.cc +++ b/oss-fuzz/fuzzer_encoder_v2.cc @@ -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; } -- cgit v1.2.1