diff options
| author | Michael Niedermayer <[email protected]> | 2020-12-24 20:42:27 +0100 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2021-02-02 14:18:21 +0100 |
| commit | 50d9e4b48c55448b90eb490f518dfe9b25f3b4e7 (patch) | |
| tree | 4f242962040a5ea5c138b8ab3e9c57f71ad22ed5 | |
| parent | 87c071a7c86005ab68fa639401093eee1891cb03 (diff) | |
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 <[email protected]>
(cherry picked from commit 78d6d8ddb571ecca54616517defbf894a45ea9c3)
Signed-off-by: Michael Niedermayer <[email protected]>
| -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 99f713eb76..f33323a599 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) |