Patrick Peng0reg.dev·Feb 14, 2024Analysis: Tcache under glibc 2.27 && Bypass double freeTcache Struct To begin with,InGlibc 2.29, Tcache bin controlled by tcache_entry and tcache_perthread_struct: tcache_entry Glibc2.29Added Key,Which can help us finds out about Double Free typedef struct tcache_entry { struct tcache_entry *next; ...glibc