OSV-2020-1445 Use-of-uninitialized-value in LibRaw::copy_bayer

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23712 Crash type: Use-of-uninitialized-value Crash state: LibRaw::copybayer LibRaw::raw2imageex LibRaw::dcrawprocess...

DEBIAN-CVE-2018-20364

LibRaw::copybayer in librawcxx.cpp in LibRaw 0.19.1 has a NULL pointer dereference...