Add asan environment

Author: rhpvorderman

tox.ini

@@ -22,6 +22,15 @@ commands =
     coverage html -i
     coverage xml -i
 
+[testenv:asan]
+setenv=
+    PYTHONDEVMODE=1
+    PYTHONMALLOC=malloc
+    CFLAGS=-lasan -fsanitize=address -fno-omit-frame-pointer
+allowlist_externals=bash
+commands=
+    bash -c 'LD_PRELOAD=$(find /usr/lib -name "libasan.so*" | head -n 1) pytest tests'
+
 [testenv:compliance]
 deps=pytest
 commands=