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 <mich...@niedermayer.cc> --- libavformat/iamf_parse.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavformat/iamf_parse.c b/libavformat/iamf_parse.c index 3867adb1172..f8074c2de1c 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); } -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
