CVE-2022-50231

Root cause: in neon_poly1305_blocks, when both s[] and r[] are uninitialized, the code incorrectly uses the first 32-byte block to initialize s[] (first 16 bytes as key, next 16 as s[]), causing a read-out-of-bounds. The patch fixes this by ensuring the initialization uses poly1305_init_arm64() (...