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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-02-24 00:26:08 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-03-08 00:47:21 +0100 |
| commit | 15a646e5018078a0954918f510f819a5599f0445 (patch) | |
| tree | 805ff8e054c3c52c74579a8afef8d3a856d155e0 | |
| parent | 13a153d801011c4ec82b90af1351e10dcf1754e1 (diff) | |
| download | ffmpeg-15a646e5018078a0954918f510f819a5599f0445.tar.gz | |
avformat/rmdec: Better duplicate tags check
Fixes: memleaks
Fixes: 44810/clusterfuzz-testcase-minimized-ffmpeg_dem_IVR_fuzzer-5619494647627776
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/rmdec.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c index 3a3f6aaf09..b0a38bee83 100644 --- a/libavformat/rmdec.c +++ b/libavformat/rmdec.c @@ -127,10 +127,6 @@ static int rm_read_audio_stream_info(AVFormatContext *s, AVIOContext *pb, uint32_t version; int ret; - // Duplicate tags - if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) - return AVERROR_INVALIDDATA; - /* ra type header */ version = avio_rb16(pb); /* version */ if (version == 3) { @@ -330,6 +326,11 @@ int ff_rm_read_mdpr_codecdata(AVFormatContext *s, AVIOContext *pb, if (codec_data_size == 0) return 0; + // Duplicate tags + if ( st->codecpar->codec_type != AVMEDIA_TYPE_UNKNOWN + && st->codecpar->codec_type != AVMEDIA_TYPE_DATA) + return AVERROR_INVALIDDATA; + avpriv_set_pts_info(st, 64, 1, 1000); codec_pos = avio_tell(pb); v = avio_rb32(pb); |