c88c1f23a8
It appears that the stackframe layout can be slightly different depending on compiler and target architecture. For example, when using CHERI LLVM for RISC-V we can actually overflow the buffer by up to 8 bytes without SSP detecting it. Fix this by increasing the overflow to 15 bytes. Reviewed By: ngie, emaste Differential Revision: https://reviews.freebsd.org/D28997