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[FFmpeg-devel,5/7] avformat/asfdec_f: Use 64bit for preroll computation

Message ID 20240523011758.2434580-5-michael@niedermayer.cc
State Accepted
Commit 70b499476213a198ac0f39450cddaea4b34662f5
Headers show
Series [FFmpeg-devel,1/7] avdevice/pulse_audio_enc: Use av_rescale() to avoid integer overflow | expand

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yinshiyou/make_loongarch64 success Make finished
yinshiyou/make_fate_loongarch64 success Make fate finished
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

Michael Niedermayer May 23, 2024, 1:17 a.m. UTC 
Fixes: CID1500342 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/asfdec_f.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c
index fcc2b98a2c4..2441cadb444 100644
--- a/libavformat/asfdec_f.c
+++ b/libavformat/asfdec_f.c
@@ -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