diff options
| -rw-r--r-- | libavcodec/jpeg2000dec.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index 7749c980e5..9198cf87cb 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -1171,7 +1171,10 @@ static int jpeg2000_decode_packets_po_iteration(Jpeg2000DecoderContext *s, Jpeg2 step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno); step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno); } - av_assert0(step_x < 32 && step_y < 32); + if (step_x >= 31 || step_y >= 31){ + avpriv_request_sample(s->avctx, "CPRL with large step"); + return AVERROR_PATCHWELCOME; + } step_x = 1<<step_x; step_y = 1<<step_y; |