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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-17 09:33:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-17 09:33:39 -0700
commit9a07a7968407e20fe87ed6b5eb6a6000e4819492 (patch)
tree35bd04d937c731d8aad1768193ace3518f985965 /crypto
parent16490980e396fac079248b23b1dd81e7d48bebf3 (diff)
parent256b1cfb9a346bb4808cd27b7b8f9b120f96491e (diff)
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Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu: "API: - Crypto self tests can now be disabled at boot/run time. - Add async support to algif_aead. Algorithms: - A large number of fixes to MPI from Nicolai Stange. - Performance improvement for HMAC DRBG. Drivers: - Use generic crypto engine in omap-des. - Merge ppc4xx-rng and crypto4xx drivers. - Fix lockups in sun4i-ss driver by disabling IRQs. - Add DMA engine support to ccp. - Reenable talitos hash algorithms. - Add support for Hisilicon SoC RNG. - Add basic crypto driver for the MXC SCC. Others: - Do not allocate crypto hash tfm in NORECLAIM context in ecryptfs" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (77 commits) crypto: qat - change the adf_ctl_stop_devices to void crypto: caam - fix caam_jr_alloc() ret code crypto: vmx - comply with ABIs that specify vrsave as reserved. crypto: testmgr - Add a flag allowing the self-tests to be disabled at runtime. crypto: ccp - constify ccp_actions structure crypto: marvell/cesa - Use dma_pool_zalloc crypto: qat - make adf_vf_isr.c dependant on IOV config crypto: qat - Fix typo in comments lib: asn1_decoder - add MODULE_LICENSE("GPL") crypto: omap-sham - Use dma_request_chan() for requesting DMA channel crypto: omap-des - Use dma_request_chan() for requesting DMA channel crypto: omap-aes - Use dma_request_chan() for requesting DMA channel crypto: omap-des - Integrate with the crypto engine framework crypto: s5p-sss - fix incorrect usage of scatterlists api crypto: s5p-sss - Fix missed interrupts when working with 8 kB blocks crypto: s5p-sss - Use common BIT macro crypto: mxc-scc - fix unwinding in mxc_scc_crypto_register() crypto: mxc-scc - signedness bugs in mxc_scc_ablkcipher_req_init() crypto: talitos - fix ahash algorithms registration crypto: ccp - Ensure all dependencies are specified ...
Diffstat (limited to 'crypto')
-rw-r--r--crypto/algif_aead.c268
-rw-r--r--crypto/asymmetric_keys/pkcs7_parser.c1
-rw-r--r--crypto/drbg.c39
-rw-r--r--crypto/lzo.c2
-rw-r--r--crypto/testmgr.c9
5 files changed, 273 insertions, 46 deletions
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index 147069c9afd0..80a0f1a78551 100644
--- a/crypto/algif_aead.c
+++ b/crypto/algif_aead.c
@@ -13,7 +13,7 @@
* any later version.
*/
-#include <crypto/aead.h>
+#include <crypto/internal/aead.h>
#include <crypto/scatterwalk.h>
#include <crypto/if_alg.h>
#include <linux/init.h>
@@ -29,15 +29,24 @@ struct aead_sg_list {
struct scatterlist sg[ALG_MAX_PAGES];
};
+struct aead_async_rsgl {
+ struct af_alg_sgl sgl;
+ struct list_head list;
+};
+
+struct aead_async_req {
+ struct scatterlist *tsgl;
+ struct aead_async_rsgl first_rsgl;
+ struct list_head list;
+ struct kiocb *iocb;
+ unsigned int tsgls;
+ char iv[];
+};
+
struct aead_ctx {
struct aead_sg_list tsgl;
- /*
- * RSGL_MAX_ENTRIES is an artificial limit where user space at maximum
- * can cause the kernel to allocate RSGL_MAX_ENTRIES * ALG_MAX_PAGES
- * pages
- */
-#define RSGL_MAX_ENTRIES ALG_MAX_PAGES
- struct af_alg_sgl rsgl[RSGL_MAX_ENTRIES];
+ struct aead_async_rsgl first_rsgl;
+ struct list_head list;
void *iv;
@@ -75,6 +84,17 @@ static inline bool aead_sufficient_data(struct aead_ctx *ctx)
return ctx->used >= ctx->aead_assoclen + as;
}
+static void aead_reset_ctx(struct aead_ctx *ctx)
+{
+ struct aead_sg_list *sgl = &ctx->tsgl;
+
+ sg_init_table(sgl->sg, ALG_MAX_PAGES);
+ sgl->cur = 0;
+ ctx->used = 0;
+ ctx->more = 0;
+ ctx->merge = 0;
+}
+
static void aead_put_sgl(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
@@ -90,11 +110,7 @@ static void aead_put_sgl(struct sock *sk)
put_page(sg_page(sg + i));
sg_assign_page(sg + i, NULL);
}
- sg_init_table(sg, ALG_MAX_PAGES);
- sgl->cur = 0;
- ctx->used = 0;
- ctx->more = 0;
- ctx->merge = 0;
+ aead_reset_ctx(ctx);
}
static void aead_wmem_wakeup(struct sock *sk)
@@ -349,23 +365,188 @@ unlock:
return err ?: size;
}
-static int aead_recvmsg(struct socket *sock, struct msghdr *msg, size_t ignored, int flags)
+#define GET_ASYM_REQ(req, tfm) (struct aead_async_req *) \
+ ((char *)req + sizeof(struct aead_request) + \
+ crypto_aead_reqsize(tfm))
+
+ #define GET_REQ_SIZE(tfm) sizeof(struct aead_async_req) + \
+ crypto_aead_reqsize(tfm) + crypto_aead_ivsize(tfm) + \
+ sizeof(struct aead_request)
+
+static void aead_async_cb(struct crypto_async_request *_req, int err)
+{
+ struct sock *sk = _req->data;
+ struct alg_sock *ask = alg_sk(sk);
+ struct aead_ctx *ctx = ask->private;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(&ctx->aead_req);
+ struct aead_request *req = aead_request_cast(_req);
+ struct aead_async_req *areq = GET_ASYM_REQ(req, tfm);
+ struct scatterlist *sg = areq->tsgl;
+ struct aead_async_rsgl *rsgl;
+ struct kiocb *iocb = areq->iocb;
+ unsigned int i, reqlen = GET_REQ_SIZE(tfm);
+
+ list_for_each_entry(rsgl, &areq->list, list) {
+ af_alg_free_sg(&rsgl->sgl);
+ if (rsgl != &areq->first_rsgl)
+ sock_kfree_s(sk, rsgl, sizeof(*rsgl));
+ }
+
+ for (i = 0; i < areq->tsgls; i++)
+ put_page(sg_page(sg + i));
+
+ sock_kfree_s(sk, areq->tsgl, sizeof(*areq->tsgl) * areq->tsgls);
+ sock_kfree_s(sk, req, reqlen);
+ __sock_put(sk);
+ iocb->ki_complete(iocb, err, err);
+}
+
+static int aead_recvmsg_async(struct socket *sock, struct msghdr *msg,
+ int flags)
+{
+ struct sock *sk = sock->sk;
+ struct alg_sock *ask = alg_sk(sk);
+ struct aead_ctx *ctx = ask->private;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(&ctx->aead_req);
+ struct aead_async_req *areq;
+ struct aead_request *req = NULL;
+ struct aead_sg_list *sgl = &ctx->tsgl;
+ struct aead_async_rsgl *last_rsgl = NULL, *rsgl;
+ unsigned int as = crypto_aead_authsize(tfm);
+ unsigned int i, reqlen = GET_REQ_SIZE(tfm);
+ int err = -ENOMEM;
+ unsigned long used;
+ size_t outlen;
+ size_t usedpages = 0;
+
+ lock_sock(sk);
+ if (ctx->more) {
+ err = aead_wait_for_data(sk, flags);
+ if (err)
+ goto unlock;
+ }
+
+ used = ctx->used;
+ outlen = used;
+
+ if (!aead_sufficient_data(ctx))
+ goto unlock;
+
+ req = sock_kmalloc(sk, reqlen, GFP_KERNEL);
+ if (unlikely(!req))
+ goto unlock;
+
+ areq = GET_ASYM_REQ(req, tfm);
+ memset(&areq->first_rsgl, '\0', sizeof(areq->first_rsgl));
+ INIT_LIST_HEAD(&areq->list);
+ areq->iocb = msg->msg_iocb;
+ memcpy(areq->iv, ctx->iv, crypto_aead_ivsize(tfm));
+ aead_request_set_tfm(req, tfm);
+ aead_request_set_ad(req, ctx->aead_assoclen);
+ aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ aead_async_cb, sk);
+ used -= ctx->aead_assoclen + (ctx->enc ? as : 0);
+
+ /* take over all tx sgls from ctx */
+ areq->tsgl = sock_kmalloc(sk, sizeof(*areq->tsgl) * sgl->cur,
+ GFP_KERNEL);
+ if (unlikely(!areq->tsgl))
+ goto free;
+
+ sg_init_table(areq->tsgl, sgl->cur);
+ for (i = 0; i < sgl->cur; i++)
+ sg_set_page(&areq->tsgl[i], sg_page(&sgl->sg[i]),
+ sgl->sg[i].length, sgl->sg[i].offset);
+
+ areq->tsgls = sgl->cur;
+
+ /* create rx sgls */
+ while (iov_iter_count(&msg->msg_iter)) {
+ size_t seglen = min_t(size_t, iov_iter_count(&msg->msg_iter),
+ (outlen - usedpages));
+
+ if (list_empty(&areq->list)) {
+ rsgl = &areq->first_rsgl;
+
+ } else {
+ rsgl = sock_kmalloc(sk, sizeof(*rsgl), GFP_KERNEL);
+ if (unlikely(!rsgl)) {
+ err = -ENOMEM;
+ goto free;
+ }
+ }
+ rsgl->sgl.npages = 0;
+ list_add_tail(&rsgl->list, &areq->list);
+
+ /* make one iovec available as scatterlist */
+ err = af_alg_make_sg(&rsgl->sgl, &msg->msg_iter, seglen);
+ if (err < 0)
+ goto free;
+
+ usedpages += err;
+
+ /* chain the new scatterlist with previous one */
+ if (last_rsgl)
+ af_alg_link_sg(&last_rsgl->sgl, &rsgl->sgl);
+
+ last_rsgl = rsgl;
+
+ /* we do not need more iovecs as we have sufficient memory */
+ if (outlen <= usedpages)
+ break;
+
+ iov_iter_advance(&msg->msg_iter, err);
+ }
+ err = -EINVAL;
+ /* ensure output buffer is sufficiently large */
+ if (usedpages < outlen)
+ goto free;
+
+ aead_request_set_crypt(req, areq->tsgl, areq->first_rsgl.sgl.sg, used,
+ areq->iv);
+ err = ctx->enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
+ if (err) {
+ if (err == -EINPROGRESS) {
+ sock_hold(sk);
+ err = -EIOCBQUEUED;
+ aead_reset_ctx(ctx);
+ goto unlock;
+ } else if (err == -EBADMSG) {
+ aead_put_sgl(sk);
+ }
+ goto free;
+ }
+ aead_put_sgl(sk);
+
+free:
+ list_for_each_entry(rsgl, &areq->list, list) {
+ af_alg_free_sg(&rsgl->sgl);
+ if (rsgl != &areq->first_rsgl)
+ sock_kfree_s(sk, rsgl, sizeof(*rsgl));
+ }
+ if (areq->tsgl)
+ sock_kfree_s(sk, areq->tsgl, sizeof(*areq->tsgl) * areq->tsgls);
+ if (req)
+ sock_kfree_s(sk, req, reqlen);
+unlock:
+ aead_wmem_wakeup(sk);
+ release_sock(sk);
+ return err ? err : outlen;
+}
+
+static int aead_recvmsg_sync(struct socket *sock, struct msghdr *msg, int flags)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct aead_ctx *ctx = ask->private;
unsigned as = crypto_aead_authsize(crypto_aead_reqtfm(&ctx->aead_req));
struct aead_sg_list *sgl = &ctx->tsgl;
- unsigned int i = 0;
+ struct aead_async_rsgl *last_rsgl = NULL;
+ struct aead_async_rsgl *rsgl, *tmp;
int err = -EINVAL;
unsigned long used = 0;
size_t outlen = 0;
size_t usedpages = 0;
- unsigned int cnt = 0;
-
- /* Limit number of IOV blocks to be accessed below */
- if (msg->msg_iter.nr_segs > RSGL_MAX_ENTRIES)
- return -ENOMSG;
lock_sock(sk);
@@ -417,21 +598,33 @@ static int aead_recvmsg(struct socket *sock, struct msghdr *msg, size_t ignored,
size_t seglen = min_t(size_t, iov_iter_count(&msg->msg_iter),
(outlen - usedpages));
+ if (list_empty(&ctx->list)) {
+ rsgl = &ctx->first_rsgl;
+ } else {
+ rsgl = sock_kmalloc(sk, sizeof(*rsgl), GFP_KERNEL);
+ if (unlikely(!rsgl)) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+ }
+ rsgl->sgl.npages = 0;
+ list_add_tail(&rsgl->list, &ctx->list);
+
/* make one iovec available as scatterlist */
- err = af_alg_make_sg(&ctx->rsgl[cnt], &msg->msg_iter,
- seglen);
+ err = af_alg_make_sg(&rsgl->sgl, &msg->msg_iter, seglen);
if (err < 0)
goto unlock;
usedpages += err;
/* chain the new scatterlist with previous one */
- if (cnt)
- af_alg_link_sg(&ctx->rsgl[cnt-1], &ctx->rsgl[cnt]);
+ if (last_rsgl)
+ af_alg_link_sg(&last_rsgl->sgl, &rsgl->sgl);
+
+ last_rsgl = rsgl;
/* we do not need more iovecs as we have sufficient memory */
if (outlen <= usedpages)
break;
iov_iter_advance(&msg->msg_iter, err);
- cnt++;
}
err = -EINVAL;
@@ -440,8 +633,7 @@ static int aead_recvmsg(struct socket *sock, struct msghdr *msg, size_t ignored,
goto unlock;
sg_mark_end(sgl->sg + sgl->cur - 1);
-
- aead_request_set_crypt(&ctx->aead_req, sgl->sg, ctx->rsgl[0].sg,
+ aead_request_set_crypt(&ctx->aead_req, sgl->sg, ctx->first_rsgl.sgl.sg,
used, ctx->iv);
aead_request_set_ad(&ctx->aead_req, ctx->aead_assoclen);
@@ -454,23 +646,35 @@ static int aead_recvmsg(struct socket *sock, struct msghdr *msg, size_t ignored,
/* EBADMSG implies a valid cipher operation took place */
if (err == -EBADMSG)
aead_put_sgl(sk);
+
goto unlock;
}
aead_put_sgl(sk);
-
err = 0;
unlock:
- for (i = 0; i < cnt; i++)
- af_alg_free_sg(&ctx->rsgl[i]);
-
+ list_for_each_entry_safe(rsgl, tmp, &ctx->list, list) {
+ af_alg_free_sg(&rsgl->sgl);
+ if (rsgl != &ctx->first_rsgl)
+ sock_kfree_s(sk, rsgl, sizeof(*rsgl));
+ list_del(&rsgl->list);
+ }
+ INIT_LIST_HEAD(&ctx->list);
aead_wmem_wakeup(sk);
release_sock(sk);
return err ? err : outlen;
}
+static int aead_recvmsg(struct socket *sock, struct msghdr *msg, size_t ignored,
+ int flags)
+{
+ return (msg->msg_iocb && !is_sync_kiocb(msg->msg_iocb)) ?
+ aead_recvmsg_async(sock, msg, flags) :
+ aead_recvmsg_sync(sock, msg, flags);
+}
+
static unsigned int aead_poll(struct file *file, struct socket *sock,
poll_table *wait)
{
@@ -540,6 +744,7 @@ static void aead_sock_destruct(struct sock *sk)
unsigned int ivlen = crypto_aead_ivsize(
crypto_aead_reqtfm(&ctx->aead_req));
+ WARN_ON(atomic_read(&sk->sk_refcnt) != 0);
aead_put_sgl(sk);
sock_kzfree_s(sk, ctx->iv, ivlen);
sock_kfree_s(sk, ctx, ctx->len);
@@ -574,6 +779,7 @@ static int aead_accept_parent(void *private, struct sock *sk)
ctx->aead_assoclen = 0;
af_alg_init_completion(&ctx->completion);
sg_init_table(ctx->tsgl.sg, ALG_MAX_PAGES);
+ INIT_LIST_HEAD(&ctx->list);
ask->private = ctx;
diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c
index 40de03f49ff8..bdd0d753ce5d 100644
--- a/crypto/asymmetric_keys/pkcs7_parser.c
+++ b/crypto/asymmetric_keys/pkcs7_parser.c
@@ -237,6 +237,7 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen,
break;
case OID_sha224:
ctx->sinfo->sig.hash_algo = "sha224";
+ break;
default:
printk("Unsupported digest algo: %u\n", ctx->last_oid);
return -ENOPKG;
diff --git a/crypto/drbg.c b/crypto/drbg.c
index 1b86310db7b1..0a3538f6cf22 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -592,8 +592,10 @@ static const struct drbg_state_ops drbg_ctr_ops = {
******************************************************************/
#if defined(CONFIG_CRYPTO_DRBG_HASH) || defined(CONFIG_CRYPTO_DRBG_HMAC)
-static int drbg_kcapi_hash(struct drbg_state *drbg, const unsigned char *key,
- unsigned char *outval, const struct list_head *in);
+static int drbg_kcapi_hash(struct drbg_state *drbg, unsigned char *outval,
+ const struct list_head *in);
+static void drbg_kcapi_hmacsetkey(struct drbg_state *drbg,
+ const unsigned char *key);
static int drbg_init_hash_kernel(struct drbg_state *drbg);
static int drbg_fini_hash_kernel(struct drbg_state *drbg);
#endif /* (CONFIG_CRYPTO_DRBG_HASH || CONFIG_CRYPTO_DRBG_HMAC) */
@@ -619,9 +621,11 @@ static int drbg_hmac_update(struct drbg_state *drbg, struct list_head *seed,
LIST_HEAD(seedlist);
LIST_HEAD(vdatalist);
- if (!reseed)
+ if (!reseed) {
/* 10.1.2.3 step 2 -- memset(0) of C is implicit with kzalloc */
memset(drbg->V, 1, drbg_statelen(drbg));
+ drbg_kcapi_hmacsetkey(drbg, drbg->C);
+ }
drbg_string_fill(&seed1, drbg->V, drbg_statelen(drbg));
list_add_tail(&seed1.list, &seedlist);
@@ -641,12 +645,13 @@ static int drbg_hmac_update(struct drbg_state *drbg, struct list_head *seed,
prefix = DRBG_PREFIX1;
/* 10.1.2.2 step 1 and 4 -- concatenation and HMAC for key */
seed2.buf = &prefix;
- ret = drbg_kcapi_hash(drbg, drbg->C, drbg->C, &seedlist);
+ ret = drbg_kcapi_hash(drbg, drbg->C, &seedlist);
if (ret)
return ret;
+ drbg_kcapi_hmacsetkey(drbg, drbg->C);
/* 10.1.2.2 step 2 and 5 -- HMAC for V */
- ret = drbg_kcapi_hash(drbg, drbg->C, drbg->V, &vdatalist);
+ ret = drbg_kcapi_hash(drbg, drbg->V, &vdatalist);
if (ret)
return ret;
@@ -681,7 +686,7 @@ static int drbg_hmac_generate(struct drbg_state *drbg,
while (len < buflen) {
unsigned int outlen = 0;
/* 10.1.2.5 step 4.1 */
- ret = drbg_kcapi_hash(drbg, drbg->C, drbg->V, &datalist);
+ ret = drbg_kcapi_hash(drbg, drbg->V, &datalist);
if (ret)
return ret;
outlen = (drbg_blocklen(drbg) < (buflen - len)) ?
@@ -796,7 +801,7 @@ static int drbg_hash_df(struct drbg_state *drbg,
while (len < outlen) {
short blocklen = 0;
/* 10.4.1 step 4.1 */
- ret = drbg_kcapi_hash(drbg, NULL, tmp, entropylist);
+ ret = drbg_kcapi_hash(drbg, tmp, entropylist);
if (ret)
goto out;
/* 10.4.1 step 4.2 */
@@ -874,7 +879,7 @@ static int drbg_hash_process_addtl(struct drbg_state *drbg,
list_add_tail(&data1.list, &datalist);
list_add_tail(&data2.list, &datalist);
list_splice_tail(addtl, &datalist);
- ret = drbg_kcapi_hash(drbg, NULL, drbg->scratchpad, &datalist);
+ ret = drbg_kcapi_hash(drbg, drbg->scratchpad, &datalist);
if (ret)
goto out;
@@ -907,7 +912,7 @@ static int drbg_hash_hashgen(struct drbg_state *drbg,
while (len < buflen) {
unsigned int outlen = 0;
/* 10.1.1.4 step hashgen 4.1 */
- ret = drbg_kcapi_hash(drbg, NULL, dst, &datalist);
+ ret = drbg_kcapi_hash(drbg, dst, &datalist);
if (ret) {
len = ret;
goto out;
@@ -956,7 +961,7 @@ static int drbg_hash_generate(struct drbg_state *drbg,
list_add_tail(&data1.list, &datalist);
drbg_string_fill(&data2, drbg->V, drbg_statelen(drbg));
list_add_tail(&data2.list, &datalist);
- ret = drbg_kcapi_hash(drbg, NULL, drbg->scratchpad, &datalist);
+ ret = drbg_kcapi_hash(drbg, drbg->scratchpad, &datalist);
if (ret) {
len = ret;
goto out;
@@ -1600,14 +1605,20 @@ static int drbg_fini_hash_kernel(struct drbg_state *drbg)
return 0;
}
-static int drbg_kcapi_hash(struct drbg_state *drbg, const unsigned char *key,
- unsigned char *outval, const struct list_head *in)
+static void drbg_kcapi_hmacsetkey(struct drbg_state *drbg,
+ const unsigned char *key)
+{
+ struct sdesc *sdesc = (struct sdesc *)drbg->priv_data;
+
+ crypto_shash_setkey(sdesc->shash.tfm, key, drbg_statelen(drbg));
+}
+
+static int drbg_kcapi_hash(struct drbg_state *drbg, unsigned char *outval,
+ const struct list_head *in)
{
struct sdesc *sdesc = (struct sdesc *)drbg->priv_data;
struct drbg_string *input = NULL;
- if (key)
- crypto_shash_setkey(sdesc->shash.tfm, key, drbg_statelen(drbg));
crypto_shash_init(&sdesc->shash);
list_for_each_entry(input, in, list)
crypto_shash_update(&sdesc->shash, input->buf, input->len);
diff --git a/crypto/lzo.c b/crypto/lzo.c
index 4b3e92525dac..c3f3dd9a28c5 100644
--- a/crypto/lzo.c
+++ b/crypto/lzo.c
@@ -32,7 +32,7 @@ static int lzo_init(struct crypto_tfm *tfm)
struct lzo_ctx *ctx = crypto_tfm_ctx(tfm);
ctx->lzo_comp_mem = kmalloc(LZO1X_MEM_COMPRESS,
- GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT);
+ GFP_KERNEL | __GFP_NOWARN);
if (!ctx->lzo_comp_mem)
ctx->lzo_comp_mem = vmalloc(LZO1X_MEM_COMPRESS);
if (!ctx->lzo_comp_mem)
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 7d4acc449233..c727fb0cb021 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -35,6 +35,10 @@
#include "internal.h"
+static bool notests;
+module_param(notests, bool, 0644);
+MODULE_PARM_DESC(notests, "disable crypto self-tests");
+
#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
/* a perfect nop */
@@ -3885,6 +3889,11 @@ int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
int j;
int rc;
+ if (!fips_enabled && notests) {
+ printk_once(KERN_INFO "alg: self-tests disabled\n");
+ return 0;
+ }
+
alg_test_descs_check_order();
if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {