{snip: NOTE}I've only run this with a non-rootly personal condor{endsnip}
 
-0: on your build container/server, install asan libraries if not already there; e.g. on Centos, do
+*ALSO NOTE*:  asan does not work correctly with the ancient compilers and library packages included with Centos 7!   It is known to work on Fedora 32 and on recent Ubuntu.
+
+0: on your build container/server, install asan libraries if not already there; e.g. on Fedora, do
 {code}
 yum install -y libasan
 {endcode}