From 2cca78ee6886ae1e78f9e35258f313ee2d409b6a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 23 May 2024 02:27:28 +0200 Subject: [PATCH] avformat/asfdec_f: Use 64bit for preroll computation Fixes: CID1500342 Unintentional integer overflow Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer (cherry picked from commit 70b499476213a198ac0f39450cddaea4b34662f5) Signed-off-by: Michael Niedermayer --- libavformat/asfdec_f.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c index 599dfe384d..31794af4b4 100644 --- a/libavformat/asfdec_f.c +++ b/libavformat/asfdec_f.c @@ -768,7 +768,7 @@ static int asf_read_marker(AVFormatContext *s, int64_t size) avio_rl64(pb); // offset, 8 bytes pres_time = avio_rl64(pb); // presentation time - pres_time = av_sat_sub64(pres_time, asf->hdr.preroll * 10000); + pres_time = av_sat_sub64(pres_time, asf->hdr.preroll * 10000LL); avio_rl16(pb); // entry length avio_rl32(pb); // send time avio_rl32(pb); // flags