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avformat/isom: Uninit layout in ff_mp4_read_dec_config_descr() 

Fixes: memleak
Fixes: 67442/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-5068813261406208

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Michael Niedermayer 2024-04-01 22:56:02 +02:00 committed by James Almer
parent e3984de6ff
commit d157725cf7
1 changed files with 1 additions and 0 deletions
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libavformat/isom.c
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@ -359,6 +359,7 @@ int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext
st->codecpar->extradata_size, 1, fc);
if (ret < 0)
return ret;
av_channel_layout_uninit(&st->codecpar->ch_layout);
st->codecpar->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
st->codecpar->ch_layout.nb_channels = cfg.channels;
if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4