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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-08 13:58:47 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-20 02:05:08 +0200 |
| commit | 2dcae36de1b85f8054a77c3b82f5640c7f10f384 (patch) | |
| tree | e548f30674375ec9c55bf6d3cdf8bc30b38e0e18 | |
| parent | 968036dbf97f3d8c7a70a1072a2a4e4af035fdce (diff) | |
| download | ffmpeg-2dcae36de1b85f8054a77c3b82f5640c7f10f384.tar.gz | |
avcodec/indeo4: Check remaining data in Pic hdr extension parsing code
Fixes: Timeout
Fixes: 2115/clusterfuzz-testcase-minimized-6594111748440064
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a3b5b60bdf451faefeeec07c4e684a251968bf2d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/indeo4.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c index 0065b52c75..1bf402551b 100644 --- a/libavcodec/indeo4.c +++ b/libavcodec/indeo4.c @@ -246,6 +246,8 @@ static int decode_pic_hdr(IVI45DecContext *ctx, AVCodecContext *avctx) /* skip picture header extension if any */ while (get_bits1(&ctx->gb)) { ff_dlog(avctx, "Pic hdr extension encountered!\n"); + if (get_bits_left(&ctx->gb) < 10) + return AVERROR_INVALIDDATA; skip_bits(&ctx->gb, 8); } |