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avcodec/indeo2: Check input size against resolution in ir2_decode_plane()

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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>
This commit is contained in:
Michael Niedermayer 2019-03-17 21:39:57 +01:00
parent ff13a92a6f
commit 4ef27d4072
1 changed files with 1 additions and 1 deletions
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2
libavcodec/indeo2.c
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@ -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 */