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author | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-17 16:32:08 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-26 16:50:59 +0200 |
commit | 68d39d6a4b0c20cefed77301bf5ae2f271082e62 (patch) | |
tree | 562a82ebab92cf256171311cf5fb51d84c927cd2 /libavformat | |
parent | 7b7e6478d905c47713b55f7e95d24d35e7f2cbbd (diff) | |
download | ffmpeg-68d39d6a4b0c20cefed77301bf5ae2f271082e62.tar.gz |
avformat/aiffdec: Check block_duration
Fixes: signed integer overflow: 3 * -2147483648 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6668935979728896
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1c2b6265c87417033f990fa4a14da9d4008320a4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat')
-rw-r--r-- | libavformat/aiffdec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c index 9272fc9eb4..0ea7fe3695 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -371,6 +371,8 @@ got_sound: av_log(s, AV_LOG_ERROR, "could not find COMM tag or invalid block_align value\n"); return -1; } + if (aiff->block_duration < 0) + return AVERROR_INVALIDDATA; /* Now positioned, get the sound data start and end */ avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate); |