From 8f209d2c90e84cd250f1a4667d1d83ec196f51dc Mon Sep 17 00:00:00 2001 From: Dale Curtis Date: Wed, 22 Nov 2023 22:17:37 +0000 Subject: [PATCH] avformat/mov: Fix integer overflow in mov_read_packet(). Fixes https://crbug.com/1499669: runtime error: signed integer overflow: 9223372036853334272 + 1375731456 cannot be represented in type 'int64_t' (aka 'long') Signed-off-by: Dale Curtis Signed-off-by: Michael Niedermayer (cherry picked from commit 2182173a6933c02b0853751034bd5e0bf829b5f7) Signed-off-by: Michael Niedermayer --- libavformat/mov.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index bad0063f67..7507ffe47e 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -8757,7 +8757,7 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt) pkt->flags |= AV_PKT_FLAG_DISCARD; } if (sc->ctts_data && sc->ctts_index < sc->ctts_count) { - pkt->pts = pkt->dts + sc->dts_shift + sc->ctts_data[sc->ctts_index].duration; + pkt->pts = av_sat_add64(pkt->dts, av_sat_add64(sc->dts_shift, sc->ctts_data[sc->ctts_index].duration)); /* update ctts context */ sc->ctts_sample++; if (sc->ctts_index < sc->ctts_count &&