23 lines · c
1#include <asm/hwcap.h>2#include <asm/mman.h>3#include <sys/auxv.h>4#include <sys/mman.h>5#include <sys/prctl.h>6#include <unistd.h>7 8int main(int argc, char const *argv[]) {9 if (!(getauxval(AT_HWCAP2) & HWCAP2_MTE))10 return 1;11 12 int got = prctl(PR_SET_TAGGED_ADDR_CTRL, PR_TAGGED_ADDR_ENABLE, 0, 0, 0);13 if (got)14 return 1;15 16 void *the_page = mmap(0, sysconf(_SC_PAGESIZE), PROT_MTE,17 MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);18 if (the_page == MAP_FAILED)19 return 1;20 21 return 0; // Set break point at this line.22}23