diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index d4cb011..2414f45 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -128,6 +128,9 @@
     # Include more verbose output for failing tests run by CMake
     export CTEST_OUTPUT_ON_FAILURE=1
 
+    # CFLAGS and LDFLAGS for Asan builds that don't use CMake
+    ASAN_CFLAGS='-Werror -Wall -Wextra -fsanitize=address,undefined -fno-sanitize-recover=all'
+
     # Gather the list of available components. These are the functions
     # defined in this script whose name starts with "component_".
     # Parse the script with sed, because in sh there is no way to list
@@ -826,7 +829,7 @@
     msg "build: malloc(0) returns NULL (ASan+UBSan build)"
     scripts/config.pl full
     scripts/config.pl unset MBEDTLS_MEMORY_BUFFER_ALLOC_C
-    make CC=gcc CFLAGS="'-DMBEDTLS_CONFIG_FILE=\"$PWD/tests/configs/config-wrapper-malloc-0-null.h\"' -O -Werror -Wall -Wextra -fsanitize=address,undefined" LDFLAGS='-fsanitize=address,undefined'
+    make CC=gcc CFLAGS="'-DMBEDTLS_CONFIG_FILE=\"$PWD/tests/configs/config-wrapper-malloc-0-null.h\"' $ASAN_CFLAGS -O" LDFLAGS="$ASAN_CFLAGS"
 
     msg "test: malloc(0) returns NULL (ASan+UBSan build)"
     make test
@@ -868,7 +871,7 @@
 component_test_se_default () {
     msg "build: default config + MBEDTLS_PSA_CRYPTO_SE_C"
     scripts/config.pl set MBEDTLS_PSA_CRYPTO_SE_C
-    make CC=clang CFLAGS='-Werror -Wall -Wextra -Wno-unused-function -Os -fsanitize=address' LDFLAGS='-fsanitize=address'
+    make CC=clang CFLAGS="$ASAN_CFLAGS -Os" LDFLAGS="$ASAN_CFLAGS"
 
     msg "test: default config + MBEDTLS_PSA_CRYPTO_SE_C"
     make test
@@ -877,7 +880,7 @@
 component_test_se_full () {
     msg "build: full config + MBEDTLS_PSA_CRYPTO_SE_C"
     scripts/config.pl set MBEDTLS_PSA_CRYPTO_SE_C
-    make CC=gcc CFLAGS='-Werror -Wall -Wextra -O2 -fsanitize=address' LDFLAGS='-fsanitize=address'
+    make CC=gcc CFLAGS="$ASAN_CFLAGS -O2" LDFLAGS="$ASAN_CFLAGS"
 
     msg "test: full config + MBEDTLS_PSA_CRYPTO_SE_C"
     make test
@@ -912,7 +915,7 @@
     # Build once with -O0, to compile out the i386 specific inline assembly
     msg "build: i386, make, gcc -O0 (ASan build)" # ~ 30s
     scripts/config.pl full
-    make CC=gcc CFLAGS='-O0 -Werror -Wall -Wextra -m32 -fsanitize=address' LDFLAGS='-m32 -fsanitize=address'
+    make CC=gcc CFLAGS="$ASAN_CFLAGS -m32 -O0" LDFLAGS="-m32 $ASAN_CFLAGS"
 
     msg "test: i386, make, gcc -O0 (ASan build)"
     make test
@@ -931,7 +934,7 @@
     scripts/config.pl unset MBEDTLS_MEMORY_BACKTRACE
     scripts/config.pl unset MBEDTLS_MEMORY_BUFFER_ALLOC_C
     scripts/config.pl unset MBEDTLS_MEMORY_DEBUG
-    make CC=gcc CFLAGS='-O1 -Werror -Wall -Wextra -m32 -fsanitize=address' LDFLAGS='-m32 -fsanitize=address'
+    make CC=gcc CFLAGS="$ASAN_CFLAGS -m32 -O1" LDFLAGS="-m32 $ASAN_CFLAGS"
 
     msg "test: i386, make, gcc -O1 (ASan build)"
     make test
@@ -944,7 +947,7 @@
     msg "build: i386, Everest ECDH context (ASan build)" # ~ 6 min
     scripts/config.pl unset MBEDTLS_ECDH_LEGACY_CONTEXT
     scripts/config.pl set MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED
-    make CC=gcc CFLAGS='-O2 -Werror -Wall -Wextra -m32 -fsanitize=address'
+    make CC=gcc CFLAGS="$ASAN_CFLAGS -m32 -O2" LDFLAGS="-m32 $ASAN_CFLAGS"
 
     msg "test: i386, Everest ECDH context - main suites (inc. selftests) (ASan build)" # ~ 50s
     make test
diff --git a/tests/scripts/run-test-suites.pl b/tests/scripts/run-test-suites.pl
index 1c9dc1d..d06badd 100755
--- a/tests/scripts/run-test-suites.pl
+++ b/tests/scripts/run-test-suites.pl
@@ -93,7 +93,7 @@
     $suite_cases_failed = () = $result =~ /.. FAILED/g;
     $suite_cases_skipped = () = $result =~ /.. ----/g;
 
-    if( $result =~ /PASSED/ ) {
+    if( $? == 0 ) {
         print "PASS\n";
         if( $verbose > 2 ) {
             pad_print_center( 72, '-', "Begin $suite" );
diff --git a/tests/suites/test_suite_psa_crypto_se_driver_hal.function b/tests/suites/test_suite_psa_crypto_se_driver_hal.function
index 61fb918..e06ef17 100644
--- a/tests/suites/test_suite_psa_crypto_se_driver_hal.function
+++ b/tests/suites/test_suite_psa_crypto_se_driver_hal.function
@@ -565,16 +565,17 @@
     psa_storage_uid_t uid = file_uid_for_lifetime( lifetime );
     struct psa_storage_info_t info;
     uint8_t *loaded = NULL;
+    int ok = 0;
 
     PSA_ASSERT( psa_its_get_info( uid, &info ) );
     ASSERT_ALLOC( loaded, info.size );
     PSA_ASSERT( psa_its_get( uid, 0, info.size, loaded, NULL ) );
     ASSERT_COMPARE( expected_data, size, loaded, info.size );
-    return( 1 );
+    ok = 1;
 
 exit:
     mbedtls_free( loaded );
-    return( 0 );
+    return( ok );
 }
 
 /* Check that a function's return status is "smoke-free", i.e. that