aboutsummaryrefslogtreecommitdiffstats
path: root/libavformat/matroskadec.c
diff options
context:
space:
mode:
authorMichael Niedermayer <michael@niedermayer.cc>2022-02-14 20:01:35 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2022-04-06 20:38:06 +0200
commit69691dbb3aee0202ea3224f68c7f410db6c23da1 (patch)
treeb0494d3bf5675c9f22ded8b6f6ba1e376a44e1f1 /libavformat/matroskadec.c
parent56c8235332298d548b519cd88e813a7bfec58291 (diff)
downloadffmpeg-69691dbb3aee0202ea3224f68c7f410db6c23da1.tar.gz
avformat/matroskadec: Check duration
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 Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 36680078ca3302496d9b0b8a8d7168ce9eabb2bc) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/matroskadec.c')
-rw-r--r--libavformat/matroskadec.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index faef93a42a..25844ddfc4 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -2906,6 +2906,8 @@ 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;