From 748c3fa52aac58f1a716ef5972a1c623076a0182 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 7 Feb 2020 14:12:39 +0100 Subject: tools/target_dec_fuzzer: Fuzz FF_DEBUG_* This should increase coverage Signed-off-by: Michael Niedermayer --- tools/target_dec_fuzzer.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'tools/target_dec_fuzzer.c') diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c index a06cf15638..3d06630e46 100644 --- a/tools/target_dec_fuzzer.c +++ b/tools/target_dec_fuzzer.c @@ -227,6 +227,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { GetByteContext gbc; int extradata_size; int flags; + int64_t flags64; + size -= 1024; bytestream2_init(&gbc, data + size, 1024); ctx->width = bytestream2_get_le32(&gbc); @@ -283,6 +285,13 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { } } + flags64 = bytestream2_get_le64(&gbc); + if (flags64 &1) + ctx->debug |= FF_DEBUG_SKIP; + if (flags64 &2) + ctx->debug |= FF_DEBUG_QP; + if (flags64 &4) + ctx->debug |= FF_DEBUG_MB_TYPE; if (extradata_size < size) { ctx->extradata = av_mallocz(extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); -- cgit v1.2.3