| Message ID | 20190628205345.10317-2-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 17209e48e28d6c05c6fa78ec7630c368a6201fe8 |
| Headers | show |
On Fri, Jun 28, 2019 at 10:53:43PM +0200, Michael Niedermayer wrote: > libtta 2.3 has a limit of 6 channels, so 16 is substantially above the "official" already > > Fixes: OOM > Fixes: 15249/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5643988125614080 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/tta.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavcodec/tta.c b/libavcodec/tta.c index c7702610b6..4d27fcd555 100644 --- a/libavcodec/tta.c +++ b/libavcodec/tta.c @@ -163,7 +163,7 @@ static av_cold int tta_decode_init(AVCodecContext * avctx) s->data_length = get_bits_long(&gb, 32); skip_bits_long(&gb, 32); // CRC32 of header - if (s->channels == 0) { + if (s->channels == 0 || s->channels > 16) { av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n"); return AVERROR_INVALIDDATA; } else if (avctx->sample_rate == 0) {
libtta 2.3 has a limit of 6 channels, so 16 is substantially above the "official" already Fixes: OOM Fixes: 15249/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5643988125614080 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/tta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)