Message ID | 20240403225134.31764-2-michael@niedermayer.cc |
---|---|
State | Accepted |
Commit | 4593cf7ab3f0ff2884880b625f1873f0eaf7a439 |
Headers | show |
Series | [FFmpeg-devel,1/5] avcodec/wavarc: fix signed integer overflow in block type 6/19 | expand |
Context | Check | Description |
---|---|---|
andriy/make_x86 | success | Make finished |
andriy/make_fate_x86 | success | Make fate finished |
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); }
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> --- libavformat/iamf_parse.c | 4 ++++ 1 file changed, 4 insertions(+)