From 160b81ce2a87b0835125da7c72ab7ed8c0918c45 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 13 May 2024 01:14:21 +0200 Subject: [PATCH] avcodec/pcm-dvdenc: 64bit pkt-size It seems nothing prevents such overflow even though odd Fixes: CID1441934 Unintentional integer overflow Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer --- libavcodec/pcm-dvdenc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/pcm-dvdenc.c b/libavcodec/pcm-dvdenc.c index 1e7ee644f6..71e9b6915a 100644 --- a/libavcodec/pcm-dvdenc.c +++ b/libavcodec/pcm-dvdenc.c @@ -116,7 +116,7 @@ static int pcm_dvd_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, { PCMDVDContext *s = avctx->priv_data; int samples = frame->nb_samples * avctx->ch_layout.nb_channels; - int64_t pkt_size = (frame->nb_samples / s->samples_per_block) * s->block_size + 3; + int64_t pkt_size = (int64_t)(frame->nb_samples / s->samples_per_block) * s->block_size + 3; int blocks = (pkt_size - 3) / s->block_size; const int16_t *src16; const int32_t *src32;