chore(ci): adding support for address-sanitizer images' build in dockerfiles

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

docker/Dockerfile.nrUE.ubuntu20

@@ -32,6 +32,7 @@ FROM ran-build:latest AS nr-ue-build
 
 #start from scratch for target executable
 FROM ubuntu:focal as oai-nr-ue
+ARG SANITIZE_OPTION
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe/Paris
 
@@ -56,6 +57,10 @@ RUN apt-get update && \
         iputils-ping \
         iproute2 \
         iperf && \
+# if the --sanitize option was used to build, additional packages are required
+    /bin/bash -c 'if [[ "$SANITIZE_OPTION" = "--sanitize" ]]; then DEBIAN_FRONTEND=noninteractive apt-get install --yes \
+        libasan5 \
+        libubsan1; fi' && \
     rm -rf /var/lib/apt/lists/*
 
 WORKDIR /opt/oai-nr-ue/bin
@@ -95,7 +100,8 @@ COPY --from=nr-ue-base \
     /usr/lib/x86_64-linux-gnu/
 
 RUN /bin/bash -c "ln -s /usr/local/lib/liboai_usrpdevif.so /usr/local/lib/liboai_device.so" && \
-    ldconfig
+    ldconfig && \
+    ldd /opt/oai-nr-ue/bin/nr-uesoftmodem
 
 WORKDIR /opt/oai-nr-ue
 CMD ["/opt/oai-nr-ue/bin/nr-uesoftmodem", "-O", "/opt/oai-nr-ue/etc/nr-ue.conf"]