kohnakagawa

#include <stdio.h>
#include <cpuid.h>
#include <stdint.h>

int cpu_supports_cet_shadow_stack() {
    uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
    __cpuid_count(7, 0, eax, ebx, ecx, edx);
    return (ecx & (1 << 7)) != 0;
}

moyix

If you have a list of edge hashes produced by AFL (e.g. from something like this):

./afl-showmap -o foo.edges -t 500 -q -e -- ./program arg1

Re-run the program using gdb to trace the sequence of block IDs:

./collect_coverage.sh trace.txt ./program arg1

Print edges in the trace: