From a8b254e436dce2f5c8c6459108dab4b02cc6b79b Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 5 Nov 2015 01:25:50 +0100 Subject: [PATCH] avcodec/ffv1dec: Print an error if the quant table count is invalid Signed-off-by: Michael Niedermayer --- libavcodec/ffv1dec.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index 8544bb7e0d..0d10114ae9 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -569,8 +569,10 @@ static int read_extra_header(FFV1Context *f) } f->quant_table_count = get_symbol(c, state, 0); - if (f->quant_table_count > (unsigned)MAX_QUANT_TABLES || !f->quant_table_count) + if (f->quant_table_count > (unsigned)MAX_QUANT_TABLES || !f->quant_table_count) { + av_log(f->avctx, AV_LOG_ERROR, "quant table count %d is invalid\n", f->quant_table_count); return AVERROR_INVALIDDATA; + } for (i = 0; i < f->quant_table_count; i++) { f->context_count[i] = read_quant_tables(c, f->quant_tables[i]);