From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 9/9] avformat/mov: Use int64_t in intermediate for corrected_dts
Date: Mon, 3 Jun 2024 04:15:26 +0200
Message-ID: <20240603021526.2372698-9-michael@niedermayer.cc> (raw)
In-Reply-To: <20240603021526.2372698-1-michael@niedermayer.cc>
Fixes: CID1500312 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavformat/mov.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index d15b7b70c50..93643304212 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -3386,7 +3386,7 @@ static int mov_read_stts(MOVContext *c, AVIOContext *pb, MOVAtom atom)
sc->stts_data[i].duration = 1;
corrected_dts += (delta_magnitude < 0 ? (int64_t)delta_magnitude : 1) * sample_count;
} else {
- corrected_dts += sample_duration * sample_count;
+ corrected_dts += sample_duration * (int64_t)sample_count;
}
current_dts += sc->stts_data[i].duration * (int64_t)sample_count;
--
2.45.1
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next prev parent reply other threads:[~2024-06-03 2:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-03 2:15 [FFmpeg-devel] [PATCH 1/9] avdevice/xcbgrab: Check sscanf() return Michael Niedermayer
2024-06-03 2:15 ` [FFmpeg-devel] [PATCH 2/9] avformat/iamf_parse: Remove dead case Michael Niedermayer
2024-06-03 2:15 ` [FFmpeg-devel] [PATCH 3/9] avformat/imfdec: Simplify get_next_track_with_minimum_timestamp() Michael Niedermayer
2024-06-03 4:26 ` Pierre-Anthony Lemieux
2024-06-03 2:15 ` [FFmpeg-devel] [PATCH 4/9] avformat/img2dec: Move DQT after unrelated if() Michael Niedermayer
2024-06-03 2:15 ` [FFmpeg-devel] [PATCH 5/9] avformat/img2dec: Little JFIF / Exif cleanup Michael Niedermayer
2024-06-03 2:15 ` [FFmpeg-devel] [PATCH 6/9] avformat/libzmq: Check av_strstart() Michael Niedermayer
2024-06-03 2:15 ` [FFmpeg-devel] [PATCH 7/9] avformat/matroskadec: Assert that num_levels is non negative Michael Niedermayer
2024-06-03 2:15 ` [FFmpeg-devel] [PATCH 8/9] avformat/mov: Use 64bit in intermediate for current_dts Michael Niedermayer
2024-06-03 2:15 ` Michael Niedermayer [this message]
2024-08-15 0:59 ` [FFmpeg-devel] [PATCH 9/9] avformat/mov: Use int64_t in intermediate for corrected_dts Kacper Michajlow
2024-06-11 22:17 ` [FFmpeg-devel] [PATCH 1/9] avdevice/xcbgrab: Check sscanf() return Michael Niedermayer
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