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avcodec/indeo5: require initial valid intra/gop headers not just later

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Fixes: Timeout
Fixes: 9308/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO5_fuzzer-5284853581873152

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
2018-08-04 02:19:15 +02:00
parent f91e7ec9df
commit 6d8a289c98
1 changed files with 2 additions and 0 deletions
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2
libavcodec/indeo5.c
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@ -642,6 +642,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
IVI45DecContext *ctx = avctx->priv_data; IVI45DecContext *ctx = avctx->priv_data;
int result; int result;
ctx->gop_invalid = 1;
ff_ivi_init_static_vlc(); ff_ivi_init_static_vlc();
/* copy rvmap tables in our context so we can apply changes to them */ /* copy rvmap tables in our context so we can apply changes to them */