Michael Niedermayer 7c6f2bfdb2 avcodec/h264_ps: Check offset_for_non_ref_pic, offset_for_top_to_bottom_field and offset_for_ref_frame ...

Fixes: signed integer overflow: -2147483648 + -1 cannot be represented in type 'int'
Fixes: 14444/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5675880333967360

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

2019-05-12 16:32:16 +02:00

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