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path: root/libavcodec/agm.c
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2019-07-19avcodec/agm: Fix overflow of signed shiftMichael Niedermayer
Fixes: left shift of 1 by 31 places cannot be represented in type 'int' Fixes: 15328/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5637545171353600 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-04-30avcodec/agm: Check output size before allocationMichael Niedermayer
Fixes: OOM Fixes: 14198/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5723579234123776 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-04-24avcodec/agm: Check that there is available input in read_code()Michael Niedermayer
Fixes: Timeout (46sec -> 7ms) Fixes: 14030/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5721258760601600 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-04-22avcodec/agm: remove ;;Michael Niedermayer
Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-04-22avcodec/agm: Check for too many too short codes in make_new_tree()Michael Niedermayer
Fixes: SEGV on unknown address Fixes: 14198/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5723579234123776 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-04-22avcodec/agm: Do not crash on invalid codesMichael Niedermayer
I do not know if such vlc trees are allowed in agm, I have no specification So i do not know if these should be treated as error, or not. But the code does contain a check for idx < 0 already ... Fixes: Stack-buffer-overflow in get_tree_codes Fixes: 14189/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5745747003179008 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-04-11avcodec/agm: Check frame dimensionsMichael Niedermayer
Fixes: out of array access Fixes: 14110/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5649184864075776 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-04-11avcodec/agm: add support for non-dct codingPaul B Mahol
2019-04-11avcodec/agm: add support for higher compressionPaul B Mahol
2019-04-05avcodec/agm: Fix integer overflow with w/hMichael Niedermayer
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself Fixes: 13999/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5644405991538688 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-04-04avcodec/agm: More completely check size before using itMichael Niedermayer
Fixes: out of array access Fixes: 13997/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5701427252428800 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-03-31avcodec: add Amuse Graphics decoderPaul B Mahol
This work is sponsored by VideoLAN.
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