1 files changed, 36 insertions, 15 deletions

diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 00f5a6cf341a..f02cb075bd68 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -293,6 +293,10 @@ struct test_sg_division {
  *				      the @key_offset
  * @finalization_type: what finalization function to use for hashes
  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
+ *	    This applies to the parts of the operation that aren't controlled
+ *	    individually by @nosimd_setkey or @src_divs[].nosimd.
+ * @nosimd_setkey: set the key (if applicable) with SIMD disabled?  Requires
+ *		   !CRYPTO_TFM_REQ_MAY_SLEEP.
  */
 struct testvec_config {
 	const char *name;
@@ -306,6 +310,7 @@ struct testvec_config {
 	bool key_offset_relative_to_alignmask;
 	enum finalization_type finalization_type;
 	bool nosimd;
+	bool nosimd_setkey;
 };
 
 #define TESTVEC_CONFIG_NAMELEN	192
@@ -533,7 +538,8 @@ static bool valid_testvec_config(const struct testvec_config *cfg)
 	    cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
 		return false;
 
-	if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
+	if ((cfg->nosimd || cfg->nosimd_setkey ||
+	     (flags & SGDIVS_HAVE_NOSIMD)) &&
 	    (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
 		return false;
 
@@ -841,7 +847,10 @@ static int prepare_keybuf(const u8 *key, unsigned int ksize,
 	return 0;
 }
 
-/* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
+/*
+ * Like setkey_f(tfm, key, ksize), but sometimes misalign the key.
+ * In addition, run the setkey function in no-SIMD context if requested.
+ */
 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)		\
 ({									\
 	const u8 *keybuf, *keyptr;					\
@@ -850,7 +859,11 @@ static int prepare_keybuf(const u8 *key, unsigned int ksize,
 	err = prepare_keybuf((key), (ksize), (cfg), (alignmask),	\
 			     &keybuf, &keyptr);				\
 	if (err == 0) {							\
+		if ((cfg)->nosimd_setkey)				\
+			crypto_disable_simd_for_test();			\
 		err = setkey_f((tfm), keyptr, (ksize));			\
+		if ((cfg)->nosimd_setkey)				\
+			crypto_reenable_simd_for_test();		\
 		kfree(keybuf);						\
 	}								\
 	err;								\
@@ -903,14 +916,20 @@ static unsigned int generate_random_length(struct rnd_state *rng,
 
 	switch (prandom_u32_below(rng, 4)) {
 	case 0:
-		return len % 64;
+		len %= 64;
+		break;
 	case 1:
-		return len % 256;
+		len %= 256;
+		break;
 	case 2:
-		return len % 1024;
+		len %= 1024;
+		break;
 	default:
-		return len;
+		break;
 	}
+	if (len && prandom_u32_below(rng, 4) == 0)
+		len = rounddown_pow_of_two(len);
+	return len;
 }
 
 /* Flip a random bit in the given nonempty data buffer */
@@ -1006,6 +1025,8 @@ static char *generate_random_sgl_divisions(struct rnd_state *rng,
 
 		if (div == &divs[max_divs - 1] || prandom_bool(rng))
 			this_len = remaining;
+		else if (prandom_u32_below(rng, 4) == 0)
+			this_len = (remaining + 1) / 2;
 		else
 			this_len = prandom_u32_inclusive(rng, 1, remaining);
 		div->proportion_of_total = this_len;
@@ -1118,9 +1139,15 @@ static void generate_random_testvec_config(struct rnd_state *rng,
 		break;
 	}
 
-	if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) && prandom_bool(rng)) {
-		cfg->nosimd = true;
-		p += scnprintf(p, end - p, " nosimd");
+	if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP)) {
+		if (prandom_bool(rng)) {
+			cfg->nosimd = true;
+			p += scnprintf(p, end - p, " nosimd");
+		}
+		if (prandom_bool(rng)) {
+			cfg->nosimd_setkey = true;
+			p += scnprintf(p, end - p, " nosimd_setkey");
+		}
 	}
 
 	p += scnprintf(p, end - p, " src_divs=[");
@@ -5590,12 +5617,6 @@ static const struct alg_test_desc alg_test_descs[] = {
 			.hash = __VECS(sha512_tv_template)
 		}
 	}, {
-		.alg = "sm2",
-		.test = alg_test_akcipher,
-		.suite = {
-			.akcipher = __VECS(sm2_tv_template)
-		}
-	}, {
 		.alg = "sm3",
 		.test = alg_test_hash,
 		.suite = {