Michael Niedermayer a70d836364 avcodec/cbs_av1: Check leb128 values read ...

"It is a requirement of bitstream conformance that the value returned from the leb128 parsing process is less than or equal
to (1 << 32) - 1."

Fixes: assertion failure
Fixes: 19293/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5749508361420800

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2020-01-18 18:35:57 +01:00

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