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avcodec/wnv1: Check for width =1
The decoder only outputs pixels for width >1 images, fail early
Fixes: Timeout
Fixes: 48298/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WNV1_fuzzer-6198626319204352
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 d98d5a436a
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
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@ -126,6 +126,9 @@ static av_cold int decode_init(AVCodecContext *avctx)
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{
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{
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static AVOnce init_static_once = AV_ONCE_INIT;
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static AVOnce init_static_once = AV_ONCE_INIT;
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if (avctx->width <= 1)
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return AVERROR_INVALIDDATA;
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avctx->pix_fmt = AV_PIX_FMT_YUV422P;
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avctx->pix_fmt = AV_PIX_FMT_YUV422P;
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ff_thread_once(&init_static_once, wnv1_init_static);
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ff_thread_once(&init_static_once, wnv1_init_static);
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