use-of-uninitialized-value in Fax4Decode

use-of-uninitialized-value in Fax4Decode: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). MemorySanitizer: use-of-uninitialized-value in function Fax4Decode in file libtiff/libtiff/tif fax3.c