diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 2ade64d..a6fbb67 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -1142,6 +1142,58 @@
     if_build_succeeded tests/ssl-opt.sh -f "Max fragment length\|Large buffer"
 }
 
+component_test_variable_ssl_in_out_buffer_len () {
+    msg "build: MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH enabled (ASan build)"
+    scripts/config.py set MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH
+    CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
+    make
+
+    msg "test: MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH enabled"
+    make test
+
+    msg "test: ssl-opt.sh, MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH enabled"
+    if_build_succeeded tests/ssl-opt.sh
+
+    msg "test: compat.sh, MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH enabled"
+    if_build_succeeded tests/compat.sh
+}
+
+component_test_variable_ssl_in_out_buffer_len_CID () {
+    msg "build: MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH and MBEDTLS_SSL_DTLS_CONNECTION_ID enabled (ASan build)"
+    scripts/config.py set MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH
+    scripts/config.py set MBEDTLS_SSL_DTLS_CONNECTION_ID
+
+    CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
+    make
+
+    msg "test: MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH and MBEDTLS_SSL_DTLS_CONNECTION_ID"
+    make test
+
+    msg "test: ssl-opt.sh, MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH and MBEDTLS_SSL_DTLS_CONNECTION_ID enabled"
+    if_build_succeeded tests/ssl-opt.sh
+
+    msg "test: compat.sh, MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH and MBEDTLS_SSL_DTLS_CONNECTION_ID enabled"
+    if_build_succeeded tests/compat.sh
+}
+
+component_test_variable_ssl_in_out_buffer_len_record_splitting () {
+    msg "build: MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH and MBEDTLS_SSL_CBC_RECORD_SPLITTING enabled (ASan build)"
+    scripts/config.py set MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH
+    scripts/config.py set MBEDTLS_SSL_CBC_RECORD_SPLITTING
+
+    CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
+    make
+
+    msg "test: MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH and MBEDTLS_SSL_CBC_RECORD_SPLITTING"
+    make test
+
+    msg "test: ssl-opt.sh, MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH and MBEDTLS_SSL_CBC_RECORD_SPLITTING enabled"
+    if_build_succeeded tests/ssl-opt.sh
+
+    msg "test: compat.sh, MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH and MBEDTLS_SSL_CBC_RECORD_SPLITTING enabled"
+    if_build_succeeded tests/compat.sh
+}
+
 component_test_when_no_ciphersuites_have_mac () {
     msg "build: when no ciphersuites have MAC"
     scripts/config.py unset MBEDTLS_CIPHER_NULL_CIPHER