FFmpeg

Commit Graph

Author	SHA1	Message	Date
Michael Niedermayer	6ebbfb377f	avcodec/agm: Fix overflow of signed shift 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>	6 years ago
Michael Niedermayer	19af948e53	avcodec/agm: Check output size before allocation 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>	6 years ago
Michael Niedermayer	caa9b4ff89	avcodec/agm: Check that there is available input in read_code() 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>	6 years ago
Michael Niedermayer	df9ef925f9	avcodec/agm: remove ;; Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	6 years ago
Michael Niedermayer	7ee7bb92e6	avcodec/agm: Check for too many too short codes in make_new_tree() 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>	6 years ago
Michael Niedermayer	158efc045c	avcodec/agm: Do not crash on invalid codes 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>	6 years ago
Michael Niedermayer	3308e3da04	avcodec/agm: Check frame dimensions 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>	6 years ago
Paul B Mahol	7be8f7ac81	avcodec/agm: add support for non-dct coding	6 years ago
Paul B Mahol	0f28355974	avcodec/agm: add support for higher compression	6 years ago
Michael Niedermayer	2169a3f262	avcodec/agm: Fix integer overflow with w/h 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>	6 years ago
Michael Niedermayer	8e3b01e20e	avcodec/agm: More completely check size before using it 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>	6 years ago
Paul B Mahol	4e8cbbf70e	avcodec: add Amuse Graphics decoder This work is sponsored by VideoLAN.	6 years ago

12 Commits (73e0035812cc6e864a6c6b5de964b126bc0db5c3)