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tools/target_dec_fuzzer: Do not test AV_CODEC_FLAG2_FAST with AV_CODEC_ID_H264 

This combination skips allocating large padding which can read out of array

Fixes: 20978/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5746381832847360

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2020-03-15 17:59:49 +01:00
parent 6ec009f7e2
commit 05d364dccc
1 changed files with 1 additions and 1 deletions
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2
tools/target_dec_fuzzer.c
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@ -206,7 +206,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (flags & 8)
ctx->err_recognition |= AV_EF_EXPLODE;
}
if (flags & 0x10)
if ((flags & 0x10) && c->id != AV_CODEC_ID_H264)
ctx->flags2 |= AV_CODEC_FLAG2_FAST;
if (flags & 0x40)