diff options
| -rw-r--r-- | libavformat/4xm.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libavformat/4xm.c b/libavformat/4xm.c index 513f51845a..74522f8d27 100644 --- a/libavformat/4xm.c +++ b/libavformat/4xm.c @@ -166,12 +166,13 @@ static int fourxm_read_header(AVFormatContext *s, goto fail; } current_track = AV_RL32(&header[i + 8]); + if((unsigned)current_track >= UINT_MAX / sizeof(AudioTrack) - 1){ + av_log(s, AV_LOG_ERROR, "current_track too large\n"); + ret= -1; + goto fail; + } if (current_track + 1 > fourxm->track_count) { fourxm->track_count = current_track + 1; - if((unsigned)fourxm->track_count >= UINT_MAX / sizeof(AudioTrack)){ - ret= -1; - goto fail; - } fourxm->tracks = av_realloc(fourxm->tracks, fourxm->track_count * sizeof(AudioTrack)); if (!fourxm->tracks) { |