Disable leak detection and remove early ASAN testing

The leak report becomes too large for CI. Someone needs to fix it.

Signed-off-by: Joseph Schuchart <joseph.schuchart@stonybrook.edu>

Author: devreal

.github/workflows/ompi_mpi4py.yaml

@@ -131,29 +131,6 @@ jobs:
       env:
         CFLAGS: "-O0"
 
-    ###
-    # Copied here, remove once working
-    ###
-    - name: Setting up ASAN environment
-      run: |
-        echo LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libasan.so.8 >> $GITHUB_ENV
-        echo ASAN_OPTIONS=detect_odr_violation=0,abort_on_error=1 >> $GITHUB_ENV
-        echo LSAN_OPTIONS=detect_leaks=1,exitcode=0 >> $GITHUB_ENV
-        echo OMPI_MCA_memory=^patcher >> $GITHUB_ENV
-
-    - name: Test mpi4py ASAN (np=1)
-      run:  mpiexec -n 1 python test/main.py -v -x TestExcErrhandlerNull
-      if:   ${{ true }}
-      timeout-minutes: 10
-
-    - name: Test mpi4py ASAN (np=4)
-      run:  mpiexec -n 4 python test/main.py -v -f -x TestExcErrhandlerNull
-      if:   ${{ true }}
-      timeout-minutes: 10
-    ###
-    # End of copy
-    ###
-
     - name: Test mpi4py (singleton)
       run:  python test/main.py -v -x TestExcErrhandlerNull
       if:   ${{ true }}
@@ -185,12 +162,16 @@ jobs:
       timeout-minutes: 10
 
     - name: Setting up ASAN environment
-      # we need to disable the memory patcher for ASAN to work properly,
-      # see https://github.com/open-mpi/ompi/issues/12819
+      # LD_PRELOAD is needed to make sure ASAN is the first thing loaded
+      # as it will otherwise complain
+      # Leak detection is currently disabled because of the size of the report.
+      # The patcher is disabled because ASAN fails if code mmaps data at fixed
+      # memory addresses, see https://github.com/open-mpi/ompi/issues/12819
+      # ODR violation detection is disabled until #13469 is fixed
       run: |
         echo LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libasan.so.8 >> $GITHUB_ENV
         echo ASAN_OPTIONS=detect_odr_violation=0,abort_on_error=1 >> $GITHUB_ENV
-        echo LSAN_OPTIONS=detect_leaks=1,exitcode=0 >> $GITHUB_ENV
+        echo LSAN_OPTIONS=detect_leaks=0,exitcode=0 >> $GITHUB_ENV
         echo OMPI_MCA_memory=^patcher >> $GITHUB_ENV
 
     - name: Test mpi4py ASAN (np=1)