error: Undefined Behavior: memory access failed: attempting to access 129 bytes, but got ALLOC which is only 128 bytes from the end of the allocation
  --> tests/fail-dep/libc/affinity.rs:LL:CC
   |
LL |     let err = unsafe { sched_setaffinity(PID, size_of::<cpu_set_t>() + 1, &cpuset) };
   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Undefined Behavior occurred here
   |
   = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior
   = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information
help: ALLOC was allocated here:
  --> tests/fail-dep/libc/affinity.rs:LL:CC
   |
LL |     let cpuset: cpu_set_t = unsafe { core::mem::MaybeUninit::zeroed().assume_init() };
   |         ^^^^^^
   = note: BACKTRACE (of the first span):
   = note: inside `main` at tests/fail-dep/libc/affinity.rs:LL:CC

note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace

error: aborting due to 1 previous error