From 87a7fc692d8bff99879dc4a27d89e70272b5a79f Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 20 Sep 2019 10:25:34 +0200 Subject: [PATCH] tools/target_dec_fuzzer: fuzz channels and sample_rate too This should increase coverage over more audio decoders. Signed-off-by: Michael Niedermayer --- tools/target_dec_fuzzer.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c index 8b1ad1f8da..b131a5f2b6 100644 --- a/tools/target_dec_fuzzer.c +++ b/tools/target_dec_fuzzer.c @@ -54,6 +54,9 @@ #include "libavcodec/bytestream.h" #include "libavformat/avformat.h" +//For FF_SANE_NB_CHANNELS, so we dont waste energy testing things that will get instantly rejected +#include "libavcodec/internal.h" + int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size); extern AVCodec * codec_list[]; @@ -170,6 +173,10 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { parser = av_parser_init(c->id); extradata_size = bytestream2_get_le32(&gbc); + + ctx->sample_rate = bytestream2_get_le32(&gbc); + ctx->channels = (unsigned)bytestream2_get_le32(&gbc) % FF_SANE_NB_CHANNELS; + if (extradata_size < size) { ctx->extradata = av_mallocz(extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); if (ctx->extradata) {