malloc: *** error for object 0x6c3c5a4: incorrect checksum for freed object - ob

iPhone development objc call pure C static library errors:
malloc: *** error for object 0x6c3c5a4: incorrect checksum for freed object - object was probably modified after being freed.
*** Set a breakpoint in malloc_error_break to debug
Search online, many say is the use of freed memory or array bounds, tested, these two cases do not appear above error.
Moreover, the static library on Android is very stable, seeking solution ideas. . .
Reply:
Enable Zombie Objects, and then debug watch
Reply:
Operation of the already freed memory
Reply:
The top one, how simple simulation of this error?