avctx->bits_per_raw_sample is used in get_sbits_long, which only
supports up to 32 bits.
Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com>
---
libavcodec/alsdec.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c
index e0453e9..8ecc47c 100644
--- a/libavcodec/alsdec.c
+++ b/libavcodec/alsdec.c
@@ -1678,6 +1678,12 @@ static av_cold int decode_init(AVCodecContext *avctx)
avctx->sample_fmt = sconf->resolution > 1
? AV_SAMPLE_FMT_S32 : AV_SAMPLE_FMT_S16;
avctx->bits_per_raw_sample = (sconf->resolution + 1) * 8;
+ if (avctx->bits_per_raw_sample > 32) {
+ av_log(avctx, AV_LOG_ERROR, "Bits per raw sample %d larger than
32.\n",
+ avctx->bits_per_raw_sample);
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
}
// set maximum Rice parameter for progressive decoding based on resolution
--
2.1.4
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