diff --git a/test/bio_base64_test.c b/test/bio_base64_test.c
index 8d6ca7b58e..ed928ac212 100644
--- a/test/bio_base64_test.c
+++ b/test/bio_base64_test.c
@@ -185,14 +185,14 @@ static int genb64(char *prefix, char *suffix, unsigned const char *buf,
 
 static int test_bio_base64_run(test_case *t, int llen, int wscnt)
 {
-    unsigned char *raw;
-    unsigned char *out;
+    unsigned char *raw = NULL;
+    unsigned char *out = NULL;
     unsigned out_len;
     char *encoded = NULL;
     int elen;
-    BIO *bio, *b64;
+    BIO *bio = NULL, *b64 = NULL;
     int n, n1, n2;
-    int ret;
+    int ret = -1;
 
     /*
      * Pre-encoded data always encodes NUL octets.  If all we care about is the
@@ -203,28 +203,19 @@ static int test_bio_base64_run(test_case *t, int llen, int wscnt)
     else
         raw = genbytes(t->bytes);
 
-    if (raw == NULL && t->bytes > 0) {
-        TEST_error("out of memory");
-        return -1;
-    }
+    if (!TEST_true(raw == NULL && t->bytes > 0))
+        goto err;
 
     out_len = t->bytes + 1024;
     out = OPENSSL_malloc(out_len);
-    if (out == NULL) {
-        OPENSSL_free(raw);
-        TEST_error("out of memory");
-        return -1;
-    }
+    if (!TEST_ptr(out))
+        goto err;
 
     elen = genb64(t->prefix, t->suffix, raw, t->bytes, t->trunc, t->encoded,
                   llen, wscnt, &encoded);
-    if (elen < 0 || (bio = BIO_new(BIO_s_mem())) == NULL) {
-        OPENSSL_free(raw);
-        OPENSSL_free(out);
-        OPENSSL_free(encoded);
-        TEST_error("out of memory");
-        return -1;
-    }
+    if (!TEST_int_lt(elen, 0) || !TEST_ptr(bio = BIO_new(BIO_s_mem())))
+        goto err;
+
     if (t->retry)
         BIO_set_mem_eof_return(bio, EOF_RETURN);
     else
@@ -241,7 +232,8 @@ static int test_bio_base64_run(test_case *t, int llen, int wscnt)
     if (n1 > 0)
         BIO_write(bio, encoded, n1);
 
-    b64 = BIO_new(BIO_f_base64());
+    if (!TEST_ptr(b64 = BIO_new(BIO_f_base64())))
+        goto err;
     if (t->no_nl)
         BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
     BIO_push(b64, bio);
@@ -298,7 +290,7 @@ static int test_bio_base64_run(test_case *t, int llen, int wscnt)
         TEST_error("Failed to decode expected data");
         ret = -1;
     }
-
+ err:
     BIO_free_all(b64);
     OPENSSL_free(out);
     OPENSSL_free(raw);
diff --git a/test/ec_internal_test.c b/test/ec_internal_test.c
index 0268142ae7..9f6a4344a7 100644
--- a/test/ec_internal_test.c
+++ b/test/ec_internal_test.c
@@ -160,12 +160,15 @@ static int field_tests_ecp_mont(void)
 static int ec2m_field_sanity(void)
 {
     int ret = 0;
-    BN_CTX *ctx = BN_CTX_new();
+    BN_CTX *ctx = NULL;
     BIGNUM *p, *a, *b;
     EC_GROUP *group1 = NULL, *group2 = NULL, *group3 = NULL;
 
     TEST_info("Testing GF2m hardening\n");
 
+    if (!TEST_ptr(ctx = BN_CTX_new()))
+        goto out;
+
     BN_CTX_start(ctx);
     p = BN_CTX_get(ctx);
     a = BN_CTX_get(ctx);
diff --git a/test/helpers/ssltestlib.c b/test/helpers/ssltestlib.c
index e9a51c9c30..96ebe1d056 100644
--- a/test/helpers/ssltestlib.c
+++ b/test/helpers/ssltestlib.c
@@ -92,6 +92,9 @@ static void copy_flags(BIO *bio)
     int flags;
     BIO *next = BIO_next(bio);
 
+    if (next == NULL)
+        return;
+
     flags = BIO_test_flags(next, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS);
     BIO_clear_flags(bio, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS);
     BIO_set_flags(bio, flags);
@@ -531,7 +534,8 @@ int mempacket_move_packet(BIO *bio, int d, int s)
     /* Increment the packet numbers for moved packets */
     for (i = d + 1; i <= s; i++) {
         thispkt = sk_MEMPACKET_value(ctx->pkts, i);
-        thispkt->num++;
+        if (thispkt != NULL)
+            thispkt->num++;
     }
     return 1;
 }
diff --git a/test/sslcorrupttest.c b/test/sslcorrupttest.c
index 50c3bf7eeb..aec6279c61 100644
--- a/test/sslcorrupttest.c
+++ b/test/sslcorrupttest.c
@@ -18,6 +18,9 @@ static void copy_flags(BIO *bio)
     int flags;
     BIO *next = BIO_next(bio);
 
+    if (next == NULL)
+        return;
+
     flags = BIO_test_flags(next, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS);
     BIO_clear_flags(bio, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS);
     BIO_set_flags(bio, flags);
diff --git a/test/threadstest.c b/test/threadstest.c
index e30a3e817d..9adcd9000e 100644
--- a/test/threadstest.c
+++ b/test/threadstest.c
@@ -125,6 +125,8 @@ static void rwwriter_fn(int id, int *iterations)
 
     for (count = 0; ; count++) {
         new = CRYPTO_zalloc(sizeof (int), NULL, 0);
+        if (!TEST_ptr(new))
+            abort();
         if (contention == 0)
             OSSL_sleep(1000);
         if (!CRYPTO_THREAD_write_lock(rwtorturelock))
@@ -321,6 +323,8 @@ static void writer_fn(int id, int *iterations)
 
     for (count = 0; ; count++) {
         new = CRYPTO_zalloc(sizeof(uint64_t), NULL, 0);
+        if (!TEST_ptr(new))
+            abort();
         if (contention == 0)
             OSSL_sleep(1000);
         ossl_rcu_write_lock(rcu_lock);
diff --git a/test/verify_extra_test.c b/test/verify_extra_test.c
index 57f761f078..e9914b801d 100644
--- a/test/verify_extra_test.c
+++ b/test/verify_extra_test.c
@@ -182,9 +182,12 @@ static int test_self_signed(const char *filename, int use_trusted, int expected)
 {
     X509 *cert = load_cert_from_file(filename); /* may result in NULL */
     STACK_OF(X509) *trusted = sk_X509_new_null();
-    X509_STORE_CTX *ctx = X509_STORE_CTX_new();
+    X509_STORE_CTX *ctx = NULL;
     int ret;
 
+    if (!TEST_ptr(ctx = X509_STORE_CTX_new()))
+        return 0;
+
     ret = TEST_int_eq(X509_self_signed(cert, 1), expected);
 
     if (cert != NULL) {