SEGV in pdfi read cff font

SEGV in pdfi read cff font: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). AddressSanitizer: SEGV in function pdfi read cff font in file ghostpdl/pdf/pdf font1C.c

The task

AddressSanitizer: SEGV in function pdfi_read_cff_font in file ghostpdl/pdf/pdf_font1C.c

Part of XiaomiMiMo/MiMo-V2.6-RL-oss.