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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-22 23:53:53 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-22 23:54:33 +0200 |
| commit | cfd1ecdc0bb039014fbb40b45edb88121bad92f9 (patch) | |
| tree | 2cbace9962b18255b4953dc31d9d662307347473 /libavcodec/asvdec.c | |
| parent | f95f9f975598262d7acdf9f4611bd1e775203f7b (diff) | |
| download | ffmpeg-cfd1ecdc0bb039014fbb40b45edb88121bad92f9.tar.gz | |
avcodec/asvdec: Check buf_size
Fixes Timeout
Fixes: 1746/clusterfuzz-testcase-minimized-6687393392361472
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/asvdec.c')
| -rw-r--r-- | libavcodec/asvdec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/asvdec.c b/libavcodec/asvdec.c index 603a09253b..467e2554ca 100644 --- a/libavcodec/asvdec.c +++ b/libavcodec/asvdec.c @@ -210,6 +210,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVFrame *const p = data; int mb_x, mb_y, ret; + if (buf_size * 8LL < a->mb_height2 * a->mb_width2 * 13LL) + return AVERROR_INVALIDDATA; + if ((ret = ff_get_buffer(avctx, p, 0)) < 0) return ret; p->pict_type = AV_PICTURE_TYPE_I; |