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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-09-24 23:50:23 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-01-06 11:30:43 +0100 |
| commit | a3f6f2150649f7187e63136423c345b8ec532521 (patch) | |
| tree | 385e58e34c2da1aab02e7861671841dfd85a4d06 | |
| parent | 18e5ce4d0d779d31858274d02851aa33ee831927 (diff) | |
| download | ffmpeg-a3f6f2150649f7187e63136423c345b8ec532521.tar.gz | |
avcodec/sbcdec: Initialize number of channels
Fixes: out of array access
Fixes: 17609/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SBC_fuzzer-5758729319874560
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Moritz Barsnick <barsnick@gmx.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 02fb6a214717d40487cae2b06f13b14fabb6e101)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/sbcdec.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/sbcdec.c b/libavcodec/sbcdec.c index 546b38c106..937946e2d2 100644 --- a/libavcodec/sbcdec.c +++ b/libavcodec/sbcdec.c @@ -348,6 +348,7 @@ static int sbc_decode_frame(AVCodecContext *avctx, if (frame_length <= 0) return frame_length; + avctx->channels = frame->channels = sbc->frame.channels; frame->format = AV_SAMPLE_FMT_S16P; frame->nb_samples = sbc->frame.blocks * sbc->frame.subbands; |