2 files changed, 13 insertions, 3 deletions

diff --git a/crypto/drbg.c b/crypto/drbg.c
index 7894db9ca90b..a53ee099e281 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1922,9 +1922,6 @@ static inline int __init drbg_healthcheck_sanity(void)
         /* overflow max addtllen with personalization string */
         ret = drbg_instantiate(drbg, &addtl, coreref, pr);
         BUG_ON(0 == ret);
-        /* test uninstantated DRBG */
-        len = drbg_generate(drbg, buf, (max_request_bytes + 1), NULL);
-        BUG_ON(0 < len);
         /* all tests passed */
         rc = 0;
 
diff --git a/include/crypto/drbg.h b/include/crypto/drbg.h
index 831d786976c5..882675e7c055 100644
--- a/include/crypto/drbg.h
+++ b/include/crypto/drbg.h
@@ -162,12 +162,25 @@ static inline size_t drbg_max_request_bytes(struct drbg_state *drbg)
 
 static inline size_t drbg_max_addtl(struct drbg_state *drbg)
 {
+#if (__BITS_PER_LONG == 32)
+        /*
+         * SP800-90A allows smaller maximum numbers to be returned -- we
+         * return SIZE_MAX - 1 to allow the verification of the enforcement
+         * of this value in drbg_healthcheck_sanity.
+         */
+        return (SIZE_MAX - 1);
+#else
         return (1UL<<(drbg->core->max_addtllen));
+#endif
 }
 
 static inline size_t drbg_max_requests(struct drbg_state *drbg)
 {
+#if (__BITS_PER_LONG == 32)
+        return SIZE_MAX;
+#else
         return (1UL<<(drbg->core->max_req));
+#endif
 }
 
 /*