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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-09-25 20:51:22 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-11-15 12:25:46 +0100 |
| commit | 6c93707b9f5acc97ec0701c77218941fbcf250d3 (patch) | |
| tree | 25fa7cfdf8f9d1972250ebb1a672f68b5f3f11ed | |
| parent | 4aedbf234c41c6d2ed06d1d798b7a077dfd2121f (diff) | |
| download | ffmpeg-6c93707b9f5acc97ec0701c77218941fbcf250d3.tar.gz | |
avcodec/atrac3: Check block_align
Fixes: Infinite loop
Fixes: 17620/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC3_fuzzer-5086123012915200
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2acbbe262325187d87e8881c2984d203fb54207e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/atrac3.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/atrac3.c b/libavcodec/atrac3.c index 6cdcdf1964..dc19a3863e 100644 --- a/libavcodec/atrac3.c +++ b/libavcodec/atrac3.c @@ -964,7 +964,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx) return AVERROR_INVALIDDATA; } - if (avctx->block_align >= UINT_MAX / 2) + if (avctx->block_align >= UINT_MAX / 2 || avctx->block_align <= 0) return AVERROR(EINVAL); q->decoded_bytes_buffer = av_mallocz(FFALIGN(avctx->block_align, 4) + |