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avformat/flvdec: Check for EOF in index reading

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Fixes: Timeout
Fixes: 47992/clusterfuzz-testcase-minimized-ffmpeg_dem_LIVE_FLV_fuzzer-6020443879899136

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ceff5d7b74cd9ae6055957979d27d289c70a9e1b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-06-20 01:36:29 +02:00
parent 4228a66bef
commit e6f9ae27ca
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1 changed files with 2 additions and 0 deletions
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libavformat/flvdec.c
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@ -363,6 +363,8 @@ static int parse_keyframes_index(AVFormatContext *s, AVIOContext *ioc,
goto invalid;
if (current_array == &times && (d <= INT64_MIN / 1000 || d >= INT64_MAX / 1000))
goto invalid;
if (avio_feof(ioc))
goto invalid;
current_array[0][i] = d;
}
if (times && filepositions) {