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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-04-04 00:20:34 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-04-04 19:38:29 +0200 |
| commit | 4593cf7ab3f0ff2884880b625f1873f0eaf7a439 (patch) | |
| tree | 21d00917e3e21dd6aecdba4c0a6844076b87758b | |
| parent | 28c7094b25b689185155a6833caf2747b94774a4 (diff) | |
avformat/iamf_parse: Check sound_system
Fixes: index 13 out of bounds for type 'const struct IAMFSoundSystemMap [13]'
Fixes: 67796/clusterfuzz-testcase-minimized-ffmpeg_dem_IAMF_fuzzer-4554553191104512
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/iamf_parse.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/iamf_parse.c b/libavformat/iamf_parse.c index 3867adb117..f8074c2de1 100644 --- a/libavformat/iamf_parse.c +++ b/libavformat/iamf_parse.c @@ -934,6 +934,10 @@ static int mix_presentation_obu(void *s, IAMFContext *c, AVIOContext *pb, int le if (submix_layout->layout_type == 2) { int sound_system; sound_system = (byte >> 2) & 0xF; + if (sound_system >= FF_ARRAY_ELEMS(ff_iamf_sound_system_map)) { + ret = AVERROR_INVALIDDATA; + goto fail; + } av_channel_layout_copy(&submix_layout->sound_system, &ff_iamf_sound_system_map[sound_system].layout); } |