mirror of https://git.ffmpeg.org/ffmpeg.git
avformat/aiffdec: Check size before subtraction in get_aiff_header()
Fixes: Infinite loop
Fixes: 27235/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-5761398380167168
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 8af299acde
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -119,6 +119,8 @@ static int get_aiff_header(AVFormatContext *s, int size,
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else
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sample_rate = (val + (1ULL<<(-exp-1))) >> -exp;
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par->sample_rate = sample_rate;
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if (size < 18)
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return AVERROR_INVALIDDATA;
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size -= 18;
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/* get codec id for AIFF-C */
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