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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 14:42:45 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 15:31:43 +0200 |
| commit | 322077091c33327e02c6ea25c6dc9f8e421e5ef1 (patch) | |
| tree | 286fb27bfb678704b2bf3666c79ed62ad7e77f0d | |
| parent | d736890eedd2a1b55f99c45373148992e7a1264c (diff) | |
| download | ffmpeg-322077091c33327e02c6ea25c6dc9f8e421e5ef1.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>
| -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 fbc3c3fcd2..28b3147168 100644 --- a/libavcodec/ac3dec.c +++ b/libavcodec/ac3dec.c @@ -1334,7 +1334,7 @@ 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]; |