message: Fix off by one when detecting stack vs. heap addresses.
diff: @@ -113,7 +113,7 @@ cfg_if::cfg_if! {
  let addr = (*siginfo).si_addr() as usize;
  let (stackaddr, stacksize) = thread_stack();
  // Assuming page size of 4KiB.
  - if stackaddr - 4096 < addr && addr < stackaddr + stacksize {
  + if stackaddr - 4096 <= addr && addr < stackaddr + stacksize {
  Some(TrapCode::StackOverflow)
  } else {
  Some(TrapCode::HeapAccessOutOfBounds)
  