diff options
| -rw-r--r-- | libavcodec/wavpack.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 3d0b01f257..2bda3599a8 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -861,6 +861,12 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no, s->and = 1; s->shift = val[3]; } + if (s->shift > 31) { + av_log(avctx, AV_LOG_ERROR, + "Invalid INT32INFO, shift = %d (> 31)\n", s->shift); + s->and = s->or = s->shift = 0; + continue; + } /* original WavPack decoder forces 32-bit lossy sound to be treated * as 24-bit one in order to have proper clipping */ if (s->hybrid && bpp == 4 && s->post_shift < 8 && s->shift > 8) { |