fix complete setup

README.md

@@ -76,6 +76,7 @@ cd how2heap
 
 # the next command will prepare the target binary so it runs with
 # the expected libc version
+make
 ./glibc_run.sh 2.30 ./malloc_playground -d -p
 
 # now you can play with the binary with glibc-2.30

glibc_run.sh

@@ -104,8 +104,8 @@ function prep_in_docker () {
 	echo "building the how2heap_docker image!"
 	docker build -t how2heap_docker .
 
-	docker run --rm -it -v $HOW2HEAP_PATH:/root/how2heap how2heap_docker make clean >/dev/null
-	docker run --rm -it -v $HOW2HEAP_PATH:/root/how2heap how2heap_docker make >/dev/null
+	docker run --rm -it -u $(id -u ${USER}):$(id -g ${USER}) -v $HOW2HEAP_PATH:/root/how2heap how2heap_docker make clean >/dev/null
+	docker run --rm -it -u $(id -u ${USER}):$(id -g ${USER}) -v $HOW2HEAP_PATH:/root/how2heap how2heap_docker make >/dev/null
 }
 
 GLIBC_VERSION=$1
@@ -196,16 +196,16 @@ if [ -z "$(ls -A $OUTPUT_DIR)" ]; then
 fi
 target_interpreter="$OUTPUT_DIR/$(ls $OUTPUT_DIR | grep ld)"
 
-if [[ $GLIBC_MAJOR != $SYSTEM_GLIBC_MAJOR ]] || [[ $GLIBC_MINOR != $SYSTEM_GLIBC_MINOR ]]; then
-    set_interpreter $target_interpreter
-    set_rpath
-fi
-
 if [ "$DOCKER" == 'X' ];
 then
 	prep_in_docker $GLIBC_VERSION
 fi
 
+if [[ $GLIBC_MAJOR != $SYSTEM_GLIBC_MAJOR ]] || [[ $GLIBC_MINOR != $SYSTEM_GLIBC_MINOR ]]; then
+    set_interpreter $target_interpreter
+    set_rpath
+fi
+
 if [ "$GDB" == 'X' ];
 then
     if [[ $GLIBC_VERSION != $SYSTEM_GLIBC_VERSION ]]; then