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avcodec/utils: Ensure linesize for SVQ3
Fixes: Assertion block_w * sizeof(uint8_t) <= ((buf_linesize) >= 0 ? (buf_linesize) : (-(buf_linesize))
Fixes: 54861/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SVQ3_fuzzer-5352418248622080
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 4eef658ca5
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -332,6 +332,9 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
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// the next rounded up width is 32
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*width = FFMAX(*width, 32);
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}
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if (s->codec_id == AV_CODEC_ID_SVQ3) {
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*width = FFMAX(*width, 32);
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}
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for (i = 0; i < 4; i++)
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linesize_align[i] = STRIDE_ALIGN;
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