OSV-2026-1157 Memcpy-param-overlap in zxc_decompress_chunk_wrapper_default

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=546426939 Crash type: Memcpy-param-overlap Crash state: zxcdecompresschunkwrapperdefault zxcdecompressframe fuzzdecompress.c...