diff --git a/run.sh b/run.sh
new file mode 100755
index 000000000..d1fc1b31b
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,73 @@
+#!/bin/bash
+
+
+POSITIONAL_ARGS=()
+
+QEMU_OPTS=""
+
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    -c)
+      CLEAN=true
+      shift
+      ;;
+    -r)
+      MODE="relwithdebinfo"
+      shift # past argument
+      ;;
+    -d)
+      MODE="debug"
+      shift
+      ;;
+    -gw)
+      # wait for gdb
+      QEMU_OPTS="$QEMU_OPTS -S"
+      shift
+      ;;
+    -s)
+      if [ $TERM_USED ]; then
+        echo "Conflicting options!"; # (todo: there must be a way to use both...)
+        exit 1
+      fi
+      TERM_USED=true
+      # serial
+      QEMU_OPTS="$QEMU_OPTS -serial stdio"
+      shift
+      ;;
+    -int)
+      if [ $TERM_USED ]; then
+        echo "Conflicting options!"; # (todo: there must be a way to use both...)
+        exit 1
+      fi
+      TERM_USED=true
+      # serial
+      QEMU_OPTS="$QEMU_OPTS -d int"
+      shift
+      ;;
+    -*|--*)
+      echo "Unknown option $1"
+      exit 1
+      ;;
+    *)
+      POSITIONAL_ARGS+=("$1") # save positional arg
+      shift # past argument
+      ;;
+  esac
+done
+
+set -- "${POSITIONAL_ARGS[@]}" # restore positional parameters
+
+set -exo pipefail
+
+if [[ $BASH_SOURCE = */* ]]; then
+  cd -- "${BASH_SOURCE%/*}/" || exit
+fi
+
+if [ $CLEAN ]; then
+  cmake --build cmake-build-$MODE --target clean
+fi
+
+cmake --build cmake-build-$MODE --target iso
+
+qemu-system-x86_64 -s $QEMU_OPTS -cdrom cmake-build-relwithdebinfo/src/iso/os2.iso
+
diff --git a/src/kernel/VMA.cpp b/src/kernel/VMA.cpp
index b5a40b65c..ac2d31e8c 100644
--- a/src/kernel/VMA.cpp
+++ b/src/kernel/VMA.cpp
@@ -55,6 +55,7 @@ void *VMA::mmap_mem(void *v_addr, size_t length, int prot, int flags) {
             for (auto &n: regions) {
                 if (n.data.available && n.data.length >= length) {
                     found = n.data;
+                    break;
                 }
             }
         }