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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-07-31 20:06:49 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-08-01 00:18:02 +0200 |
| commit | ed96ac87a94aa0943412af93ef51c22cdc4c907c (patch) | |
| tree | be2d49bf4c0c0d39735c449016febbaebb5d20e7 | |
| parent | 8280ec7a3213c9b7bad88aac3695be2dedd2c00b (diff) | |
| download | ffmpeg-ed96ac87a94aa0943412af93ef51c22cdc4c907c.tar.gz | |
avformat/iamf_parse: Check for 0 samples
Fixes: division by zero
Fixes: 70561/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-6199435013455872
Fixes: 70565/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5783790316748800
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/iamf_parse.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/iamf_parse.c b/libavformat/iamf_parse.c index cdfd5f75fe..e007d6a7af 100644 --- a/libavformat/iamf_parse.c +++ b/libavformat/iamf_parse.c @@ -252,7 +252,7 @@ static int codec_config_obu(void *s, IAMFContext *c, AVIOContext *pb, int len) if (ret < 0) goto fail; - if ((codec_config->nb_samples > INT_MAX) || + if ((codec_config->nb_samples > INT_MAX) || codec_config->nb_samples <= 0 || (-codec_config->audio_roll_distance > INT_MAX / codec_config->nb_samples)) { ret = AVERROR_INVALIDDATA; goto fail; |