heap-use-after-free in gf odf ac4 cfg clean list

heap-use-after-free in gf odf ac4 cfg clean list: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). AddressSanitizer: heap-use-after-free in function gf odf ac4 cfg clean list in file gpac/src/odf/descriptors.c