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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-11-22 20:41:56 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-02-20 14:21:24 +0100 |
| commit | 8373b3baa0eda8b8f3b51e3a025a690536c40762 (patch) | |
| tree | 93b6332000d9b99cb458f3d75d351dec0d76930b | |
| parent | b368f9cc8de7f29962d87e3dcb492fbbcc3b5d43 (diff) | |
| download | ffmpeg-8373b3baa0eda8b8f3b51e3a025a690536c40762.tar.gz | |
avformat/4xm: Make audio_frame_count 64bit
Fixes: signed integer overflow: 2099257366 * 2 cannot be represented in type 'int'
Fixes: 27486/clusterfuzz-testcase-minimized-ffmpeg_dem_FOURXM_fuzzer-5112179134824448
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 842c268c6436c9e90e689402be138c2e539f7059)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/4xm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/4xm.c b/libavformat/4xm.c index 6a227a0b0d..30f1b05324 100644 --- a/libavformat/4xm.c +++ b/libavformat/4xm.c @@ -299,7 +299,7 @@ static int fourxm_read_packet(AVFormatContext *s, unsigned int track_number; int packet_read = 0; unsigned char header[8]; - int audio_frame_count; + int64_t audio_frame_count; while (!packet_read) { if ((ret = avio_read(s->pb, header, 8)) < 0) |