 Michael Niedermayer
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3b8d5bcc31
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avcodec/mv30: Fix integer overflows in idct2_1d()
Fixes: signed integer overflow: 6500736 * 473 cannot be represented in type 'int'
Fixes: 23259/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MV30_fuzzer-5179394271477760
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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2020-07-02 17:18:55 +02:00 |
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Michael Niedermayer
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75e2ac4f07
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avcodec/mv30: check mode_size vs. input space
Fixes: Timeout (longer than my patience vs 1sec)
Fixes: 22984/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MV30_fuzzer-5630021988515840
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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2020-06-14 19:17:07 +02:00 |
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Michael Niedermayer
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7f817853cd
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avcodec/mv30: Fix multiple integer overflows in idct_1d()
Fixes: signed integer overflow: -4869937 * 473 cannot be represented in type 'int'
Fixes: 21934/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MV30_fuzzer-5667289925156864
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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2020-06-04 23:58:49 +02:00 |
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Michael Niedermayer
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e73a251680
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avcodec/mv30: Do not allow MVs outside the allocated image
Fixes: out of array read
Fixes: 21804/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MV30_fuzzer-5673678898724864
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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2020-06-04 23:58:49 +02:00 |
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Limin Wang
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b1cc6b9496
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avcodec/mv30: fix warning: suggest braces around initialization of subobject [-Wmissing-braces]
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
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2020-05-14 09:15:25 +08:00 |
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Peter Ross
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1b59f3f844
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avcodec/mv30: use aandcttables
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2020-04-17 19:34:02 +10:00 |
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Peter Ross
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06dab51e68
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avcodec/mv30: remove unused table elements
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2020-04-17 19:34:02 +10:00 |
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Paul B Mahol
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481ebb1c8b
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avcodec: add MV30 decoder
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2020-04-10 12:22:09 +02:00 |
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