From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 1/4] avformat/matroskadec: Check duration
Date: Mon, 14 Feb 2022 20:39:31 +0100
Message-ID: <20220214193934.22315-1-michael@niedermayer.cc> (raw)
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;
--
2.17.1
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next reply other threads:[~2022-02-14 19:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-14 19:39 Michael Niedermayer [this message]
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 ` [FFmpeg-devel] [PATCH 1/4] avformat/matroskadec: Check duration Andreas Rheinhardt
2022-02-25 21:19 ` Michael Niedermayer
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