pun_harness.c: In function 'main':
pun_harness.c:114:4: warning: 'memcpy' forming offset [101, 303] is out of the bounds [0, 100] of object 'M' with type 'struct <anonymous>' [-Warray-bounds]
    memcpy(M.fkey.str, p, M.fkey.len); /* syscons.c:2057 */
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pun_harness.c:44:3: note: 'M' declared here
 } M;
   ^
BUILD_OK: harness-runs