From c34004d82f43309f9ea2120edd94f68ec667e796 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 31 Oct 2020 12:06:21 +0100 Subject: avformat/mov: Use av_sat_add64() in mov_read_sidx() This avoids a potential integer overflow, no testcase is known 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 ed34130034..2193e06ab7 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -5052,7 +5052,7 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom) static int mov_read_sidx(MOVContext *c, AVIOContext *pb, MOVAtom atom) { int64_t stream_size = avio_size(pb); - int64_t offset = avio_tell(pb) + atom.size, pts, timestamp; + int64_t offset = av_sat_add64(avio_tell(pb), atom.size), pts, timestamp; uint8_t version, is_complete; unsigned i, j, track_id, item_count; AVStream *st = NULL; -- cgit v1.2.3