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avformat/asfdec_f: Use 64bit for preroll computation 

Fixes: CID1500342 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-05-23 02:27:28 +02:00
parent d9d1f65308
commit 70b4994762
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1 changed files with 1 additions and 1 deletions
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libavformat/asfdec_f.c
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@ -675,7 +675,7 @@ static int asf_read_marker(AVFormatContext *s)
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