Per the man page, PR_GET_NAME stores a null terminated string into the input `char name[16]`. This also adds prctl support in ASAN to detect freed memory being passed to `prctl(PR_GET_NAME, ...)`:
Compiler-RT ================================ This directory and its subdirectories contain source code for the compiler support routines. Compiler-RT is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. ================================