From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
To: ffmpeg-devel@ffmpeg.org
Subject: Re: [FFmpeg-devel] [PATCH 1/4] avformat/matroskadec: Check duration
Date: Mon, 14 Feb 2022 20:56:51 +0100
Message-ID: <AM7PR03MB666041C0B6C8A2EB17FA69FD8F339@AM7PR03MB6660.eurprd03.prod.outlook.com> (raw)
In-Reply-To: <20220214193934.22315-1-michael@niedermayer.cc>
Michael Niedermayer:
> Fixes: -nan is outside the range of representable values of type 'long'
> Fixes: 44614/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-6216204841254912
>
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
> libavformat/matroskadec.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
> index 91f3567692..8f0c53a6bc 100644
> --- a/libavformat/matroskadec.c
> +++ b/libavformat/matroskadec.c
> @@ -3065,6 +3065,8 @@ static int matroska_read_header(AVFormatContext *s)
>
> if (!matroska->time_scale)
> matroska->time_scale = 1000000;
> + if (isnan(matroska->duration))
> + matroska->duration = 0;
> if (matroska->duration)
> matroska->ctx->duration = matroska->duration * matroska->time_scale *
> 1000 / AV_TIME_BASE;
LGTM.
- Andreas
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next prev parent reply other threads:[~2022-02-14 19:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-14 19:39 Michael Niedermayer
2022-02-14 19:39 ` [FFmpeg-devel] [PATCH 2/4] avcodec/movtextdec: add () to CMP() macro to avoid unexpected behavior Michael Niedermayer
2022-02-14 19:52 ` Andreas Rheinhardt
2022-02-15 13:37 ` Michael Niedermayer
2022-02-25 21:21 ` Michael Niedermayer
2022-02-14 19:39 ` [FFmpeg-devel] [PATCH 3/4] avformat/argo_asf: Fix order of operations in error check in argo_asf_write_trailer() Michael Niedermayer
2022-02-25 21:22 ` Michael Niedermayer
2022-02-14 19:39 ` [FFmpeg-devel] [PATCH 4/4] avformat/argo_cvg:: Fix order of operations in error check in argo_cvg_write_trailer() Michael Niedermayer
2022-02-25 21:22 ` Michael Niedermayer
2022-02-14 19:56 ` Andreas Rheinhardt [this message]
2022-02-25 21:19 ` [FFmpeg-devel] [PATCH 1/4] avformat/matroskadec: Check duration Michael Niedermayer
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