Some codepath can call it with invalid lenght.
CC: [email protected]
---
This old patch was lost since ages...
libavcodec/aacdec.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index 659be55..8eaee60 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -789,7 +789,8 @@ static int decode_audio_specific_config(AACContext *ac,
av_dlog(avctx, "%02x ", avctx->extradata[i]);
av_dlog(avctx, "\n");
- init_get_bits(&gb, data, bit_size);
+ if ((ret = init_get_bits(&gb, data, bit_size)) < 0)
+ return ret;
if ((i = avpriv_mpeg4audio_get_config(m4ac, data, bit_size,
sync_extension)) < 0)
@@ -2635,7 +2636,8 @@ static int aac_decode_frame(AVCodecContext *avctx, void
*data,
}
}
- init_get_bits(&gb, buf, buf_size * 8);
+ if ((err = init_get_bits(&gb, buf, buf_size * 8)) < 0)
+ return err;
if ((err = aac_decode_frame_int(avctx, data, got_frame_ptr, &gb)) < 0)
return err;
@@ -2878,7 +2880,8 @@ static int latm_decode_frame(AVCodecContext *avctx, void
*out,
int muxlength, err;
GetBitContext gb;
- init_get_bits(&gb, avpkt->data, avpkt->size * 8);
+ if ((err = init_get_bits(&gb, avpkt->data, avpkt->size * 8)) < 0)
+ return err;
// check for LOAS sync word
if (get_bits(&gb, 11) != LOAS_SYNC_WORD)
--
1.8.3.2
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