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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-03-17 21:39:57 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-03-25 13:20:30 +0100 |
| commit | 4ef27d40729c34f62b688c027b5c177c39e56656 (patch) | |
| tree | 330f8ce5c25e72de1469828ca121781927775373 | |
| parent | ff13a92a6f8413402f5b3cacedda7c10d350b487 (diff) | |
| download | ffmpeg-4ef27d40729c34f62b688c027b5c177c39e56656.tar.gz | |
avcodec/indeo2: Check input size against resolution in ir2_decode_plane()
Fixes: Timeout (56 sec -> 14 sec)
Fixes: 13708/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO2_fuzzer-5656342004498432
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/indeo2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/indeo2.c b/libavcodec/indeo2.c index 4971b84308..09cb560d8e 100644 --- a/libavcodec/indeo2.c +++ b/libavcodec/indeo2.c @@ -56,7 +56,7 @@ static int ir2_decode_plane(Ir2Context *ctx, int width, int height, uint8_t *dst int j; int out = 0; - if (width & 1) + if ((width & 1) || width * height / (2*(IR2_CODES - 0x7F)) > get_bits_left(&ctx->gb)) return AVERROR_INVALIDDATA; /* first line contain absolute values, other lines contain deltas */ |