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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-04-25 20:16:38 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-06-18 18:58:25 +0200 |
| commit | 1b865cc703d29cb307e1fa628aa02940d54eb42a (patch) | |
| tree | c1faf61fb89c247fec06f1cb6012c391c64b597c | |
| parent | 88fc295838b3cf16b43c0bbea5766fe92b18dd17 (diff) | |
| download | ffmpeg-1b865cc703d29cb307e1fa628aa02940d54eb42a.tar.gz | |
avformat/qcp: Avoid negative nb_rates
Fixes: signed integer overflow: 2 * -1725947872 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_QCP_fuzzer-6726807632084992
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/qcp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/qcp.c b/libavformat/qcp.c index 206ee8bdce..7e0d9b9b8c 100644 --- a/libavformat/qcp.c +++ b/libavformat/qcp.c @@ -93,7 +93,8 @@ static int qcp_read_header(AVFormatContext *s) QCPContext *c = s->priv_data; AVStream *st = avformat_new_stream(s, NULL); uint8_t buf[16]; - int i, nb_rates; + int i; + unsigned nb_rates; if (!st) return AVERROR(ENOMEM); |