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6 Commits

Author SHA1 Message Date
Michael Niedermayer
780e8ac273 avcodec/cbs_vp9: Check data_size 
Fixes: out of array access
Fixes: 19542/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5659498341728256

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4fa2d5a692f40c398a299acf2c6a20f5b98a3708)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-01-06 15:03:15 +01:00
Michael Niedermayer
98e15ff21b avcodec/cbs_vp9: Check index_size 
Fixes: out of array read
Fixes: 19300/clusterfuzz-testcase-minimized-ffmpeg_BSF_VP9_METADATA_fuzzer-5653911730126848

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d6553e2e60a389296dd2f83a96f944ccfa5877a0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-01-06 15:03:15 +01:00
Carl Eugen Hoyos
b3b5941ec7 lavc/cbs: Do not use format specifier "z" on Windows. 
(cherry picked from commit 0b7269e62d0345fec5f1ee9ee7b960e8d25c5dd1)
 2019-07-21 01:04:34 -03:00
Carl Eugen Hoyos
84b94fdd05 lavc/cbs_vp9: Make variable prob unsigned. 
Silences a warning with clang:
libavcodec/cbs_vp9_syntax_template.c:220:17: warning: implicit conversion from 'int' to 'int8_t' (aka 'signed char')
      changes value from 255 to -1

(cherry picked from commit de441ad52a4d9791d93c278b4cf6867815c28b92)
 2019-07-21 01:04:28 -03:00
Mark Thompson
edcdf35123 cbs_vp9: Ensure that reserved zero bits are actually zero 2018-10-30 22:22:27 +00:00
Mark Thompson
b5df289eb7 lavc: Add coded bitstream read/write support for VP9 2018-05-02 01:21:33 +01:00