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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 14:42:45 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-20 03:41:33 +0200 |
| commit | b17779fc14b7c6f23244521d80785177c0066c46 (patch) | |
| tree | b0fb87b01dbfe3c0f8a8e50038f0d796fc68001d /libavcodec | |
| parent | 12f969bd2c572c882fc2a1172582129543fa9f89 (diff) | |
| download | ffmpeg-b17779fc14b7c6f23244521d80785177c0066c46.tar.gz | |
avcodec/ac3dec: Fix: runtime error: index -1 out of bounds for type 'INTFLOAT [2]'
It seems dual mono with a LFE channel is not forbidden
Fixes: 1570/clusterfuzz-testcase-minimized-6455337349545984
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c55e637072b694a1db40e21948d218bfa2e744bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/ac3dec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c index 29f0bacc3a..138bb69298 100644 --- a/libavcodec/ac3dec.c +++ b/libavcodec/ac3dec.c @@ -1338,7 +1338,7 @@ static int decode_audio_block(AC3DecodeContext *s, int blk) for (ch = 1; ch <= s->channels; ch++) { int audio_channel = 0; INTFLOAT gain; - if (s->channel_mode == AC3_CHMODE_DUALMONO) + if (s->channel_mode == AC3_CHMODE_DUALMONO && ch <= 2) audio_channel = 2-ch; if (s->heavy_compression && s->compression_exists[audio_channel]) gain = s->heavy_dynamic_range[audio_channel]; |