diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-12-24 20:42:27 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-01-28 21:06:48 +0100 |
| commit | 78d6d8ddb571ecca54616517defbf894a45ea9c3 (patch) | |
| tree | 568c98a6d6bb63b35dec0be2ab90e41bd2350cbb /libavformat/mpc8.c | |
| parent | ed51890191d660829eef2d1eef802da957b7fef0 (diff) | |
| download | ffmpeg-78d6d8ddb571ecca54616517defbf894a45ea9c3.tar.gz | |
avformat/mpc8: Check size before implicitly converting to int
Fixes: Timeout
Fixes: 28551/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6229183210586112
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/mpc8.c')
| -rw-r--r-- | libavformat/mpc8.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/mpc8.c b/libavformat/mpc8.c index 447a8d4fdf..ff7da2ef55 100644 --- a/libavformat/mpc8.c +++ b/libavformat/mpc8.c @@ -292,7 +292,7 @@ static int mpc8_read_packet(AVFormatContext *s, AVPacket *pkt) return AVERROR_EOF; mpc8_get_chunk_header(s->pb, &tag, &size); - if (size < 0) + if (size < 0 || size > INT_MAX) return -1; if(tag == TAG_AUDIOPACKET){ if ((ret = av_get_packet(s->pb, pkt, size)) < 0) |