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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-06-17 01:08:26 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-06-19 12:54:46 +0200 |
| commit | 7fab9b97613e5ec6954fb8118f9ca43f04847cfe (patch) | |
| tree | bc57b0b7bb89253c4e2ade82b32b60f087596d1b /libavformat/iamf_parse.c | |
| parent | c69e6cccd7e14fc6ee9df179f19e9de2cecba3d8 (diff) | |
| download | ffmpeg-7fab9b97613e5ec6954fb8118f9ca43f04847cfe.tar.gz | |
avformat/iamf_parse: 0 layers are not allowed
Fixes: out of array access
Fixes: 68302/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4665793796177920
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/iamf_parse.c')
| -rw-r--r-- | libavformat/iamf_parse.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/iamf_parse.c b/libavformat/iamf_parse.c index 5c2ff6862a..12c2b9533a 100644 --- a/libavformat/iamf_parse.c +++ b/libavformat/iamf_parse.c @@ -330,7 +330,7 @@ static int scalable_channel_layout_config(void *s, AVIOContext *pb, nb_layers = avio_r8(pb) >> 5; // get_bits(&gb, 3); // skip_bits(&gb, 5); //reserved - if (nb_layers > 6) + if (nb_layers > 6 || nb_layers == 0) return AVERROR_INVALIDDATA; audio_element->layers = av_calloc(nb_layers, sizeof(*audio_element->layers)); |