{
pr_debug("The prng module stopped "
"after running in triple DES mode\n");
- kzfree(prng_data);
+ kfree_sensitive(prng_data);
}
static void prng_sha512_deinstantiate(void)
{
pr_debug("The prng module stopped after running in SHA-512 mode\n");
- kzfree(prng_data);
+ kfree_sensitive(prng_data);
}
if (crypto_shash_digest(desc, (u8 *)table, size, buf))
ret = -EINVAL;
- kzfree(desc);
+ kfree_sensitive(desc);
free_tfm:
crypto_free_shash(tfm);
keyp += NHPOLY1305_KEY_SIZE;
WARN_ON(keyp != &data->derived_keys[ARRAY_SIZE(data->derived_keys)]);
out:
- kzfree(data);
+ kfree_sensitive(data);
return err;
}
alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
memcpy(alignbuffer, key, keylen);
ret = tfm->setkey(tfm, alignbuffer, keylen);
- kzfree(buffer);
+ kfree_sensitive(buffer);
return ret;
}
req->priv = NULL;
/* Free the req->priv.priv from the ADJUSTED request. */
- kzfree(priv);
+ kfree_sensitive(priv);
}
static void ahash_notify_einprogress(struct ahash_request *req)
alg->cra_exit(tfm);
crypto_exit_ops(tfm);
crypto_mod_put(alg);
- kzfree(mem);
+ kfree_sensitive(mem);
}
EXPORT_SYMBOL_GPL(crypto_destroy_tfm);
}
error:
- kzfree(desc);
+ kfree_sensitive(desc);
error_no_desc:
crypto_free_shash(tfm);
kleave(" = %d", ret);
ret = pefile_digest_pe(pebuf, pelen, &ctx);
error:
- kzfree(ctx.digest);
+ kfree_sensitive(ctx.digest);
return ret;
}
static void deflate_free_ctx(struct crypto_scomp *tfm, void *ctx)
{
__deflate_exit(ctx);
- kzfree(ctx);
+ kfree_sensitive(ctx);
}
static void deflate_exit(struct crypto_tfm *tfm)
{
if (!drbg)
return;
- kzfree(drbg->Vbuf);
+ kfree_sensitive(drbg->Vbuf);
drbg->Vbuf = NULL;
drbg->V = NULL;
- kzfree(drbg->Cbuf);
+ kfree_sensitive(drbg->Cbuf);
drbg->Cbuf = NULL;
drbg->C = NULL;
- kzfree(drbg->scratchpadbuf);
+ kfree_sensitive(drbg->scratchpadbuf);
drbg->scratchpadbuf = NULL;
drbg->reseed_ctr = 0;
drbg->d_ops = NULL;
drbg->core = NULL;
if (IS_ENABLED(CONFIG_CRYPTO_FIPS)) {
- kzfree(drbg->prev);
+ kfree_sensitive(drbg->prev);
drbg->prev = NULL;
drbg->fips_primed = false;
}
struct sdesc *sdesc = (struct sdesc *)drbg->priv_data;
if (sdesc) {
crypto_free_shash(sdesc->shash.tfm);
- kzfree(sdesc);
+ kfree_sensitive(sdesc);
}
drbg->priv_data = NULL;
return 0;
static void ecc_free_digits_space(u64 *space)
{
- kzfree(space);
+ kfree_sensitive(space);
}
static struct ecc_point *ecc_alloc_point(unsigned int ndigits)
if (!p)
return;
- kzfree(p->x);
- kzfree(p->y);
- kzfree(p);
+ kfree_sensitive(p->x);
+ kfree_sensitive(p->y);
+ kfree_sensitive(p);
}
static void vli_clear(u64 *vli, unsigned int ndigits)
/* fall through */
free_all:
- kzfree(shared_secret);
+ kfree_sensitive(shared_secret);
free_pubkey:
kfree(public_key);
return ret;
CRYPTO_TFM_REQ_MASK);
err = crypto_ahash_setkey(ghash, (u8 *)&data->hash, sizeof(be128));
out:
- kzfree(data);
+ kfree_sensitive(data);
return err;
}
int i;
for (i = 0; i < 16; i++)
- kzfree(t->t[i]);
- kzfree(t);
+ kfree_sensitive(t->t[i]);
+ kfree_sensitive(t);
}
EXPORT_SYMBOL(gf128mul_free_64k);
void jent_zfree(void *ptr)
{
- kzfree(ptr);
+ kfree_sensitive(ptr);
}
int jent_fips_enabled(void)
err = crypto_rng_alg(tfm)->seed(tfm, seed, slen);
crypto_stats_rng_seed(alg, err);
out:
- kzfree(buf);
+ kfree_sensitive(buf);
return err;
}
EXPORT_SYMBOL_GPL(crypto_rng_reset);
sg_copy_from_buffer(req->dst,
sg_nents_for_len(req->dst, ctx->key_size),
out_buf, ctx->key_size);
- kzfree(out_buf);
+ kfree_sensitive(out_buf);
out:
req->dst_len = ctx->key_size;
out_buf + pos, req->dst_len);
done:
- kzfree(req_ctx->out_buf);
+ kfree_sensitive(req_ctx->out_buf);
return err;
}
req->dst_len) != 0)
err = -EKEYREJECTED;
done:
- kzfree(req_ctx->out_buf);
+ kfree_sensitive(req_ctx->out_buf);
return err;
}
memcpy(req->iv, subreq->iv, crypto_aead_ivsize(geniv));
out:
- kzfree(subreq->iv);
+ kfree_sensitive(subreq->iv);
}
static void seqiv_aead_encrypt_complete(struct crypto_async_request *base,
alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
memcpy(alignbuffer, key, keylen);
err = shash->setkey(tfm, alignbuffer, keylen);
- kzfree(buffer);
+ kfree_sensitive(buffer);
return err;
}
alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
memcpy(alignbuffer, key, keylen);
ret = cipher->setkey(tfm, alignbuffer, keylen);
- kzfree(buffer);
+ kfree_sensitive(buffer);
return ret;
}
kfree(vec.plaintext);
kfree(vec.digest);
crypto_free_shash(generic_tfm);
- kzfree(generic_desc);
+ kfree_sensitive(generic_desc);
return err;
}
#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
if (IS_ERR(drng)) {
printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
"%s\n", driver);
- kzfree(buf);
+ kfree_sensitive(buf);
return -ENOMEM;
}
outbuf:
crypto_free_rng(drng);
- kzfree(buf);
+ kfree_sensitive(buf);
return ret;
}
static void zstd_free_ctx(struct crypto_scomp *tfm, void *ctx)
{
__zstd_exit(ctx);
- kzfree(ctx);
+ kfree_sensitive(ctx);
}
static void zstd_exit(struct crypto_tfm *tfm)
offset = areq->cryptlen - ivsize;
if (rctx->op_dir & CE_DECRYPTION) {
memcpy(areq->iv, backup_iv, ivsize);
- kzfree(backup_iv);
+ kfree_sensitive(backup_iv);
} else {
scatterwalk_map_and_copy(areq->iv, areq->dst, offset,
ivsize, 0);
if (rctx->op_dir & SS_DECRYPTION) {
memcpy(areq->iv, backup_iv, ivsize);
memzero_explicit(backup_iv, ivsize);
- kzfree(backup_iv);
+ kfree_sensitive(backup_iv);
} else {
scatterwalk_map_and_copy(areq->iv, areq->dst, offset,
ivsize, 0);
}
}
theend:
- kzfree(bkeyiv);
- kzfree(backup_iv);
+ kfree_sensitive(bkeyiv);
+ kfree_sensitive(backup_iv);
return err;
}
/* fall through */
free_work_data:
- kzfree(work_data);
+ kfree_sensitive(work_data);
kpp_request_complete(req, status);
}
static void caam_rsa_free_key(struct caam_rsa_key *key)
{
- kzfree(key->d);
- kzfree(key->p);
- kzfree(key->q);
- kzfree(key->dp);
- kzfree(key->dq);
- kzfree(key->qinv);
- kzfree(key->tmp1);
- kzfree(key->tmp2);
+ kfree_sensitive(key->d);
+ kfree_sensitive(key->p);
+ kfree_sensitive(key->q);
+ kfree_sensitive(key->dp);
+ kfree_sensitive(key->dq);
+ kfree_sensitive(key->qinv);
+ kfree_sensitive(key->tmp1);
+ kfree_sensitive(key->tmp2);
kfree(key->e);
kfree(key->n);
memset(key, 0, sizeof(*key));
return;
free_dq:
- kzfree(rsa_key->dq);
+ kfree_sensitive(rsa_key->dq);
free_dp:
- kzfree(rsa_key->dp);
+ kfree_sensitive(rsa_key->dp);
free_tmp2:
- kzfree(rsa_key->tmp2);
+ kfree_sensitive(rsa_key->tmp2);
free_tmp1:
- kzfree(rsa_key->tmp1);
+ kfree_sensitive(rsa_key->tmp1);
free_q:
- kzfree(rsa_key->q);
+ kfree_sensitive(rsa_key->q);
free_p:
- kzfree(rsa_key->p);
+ kfree_sensitive(rsa_key->p);
}
static int caam_rsa_set_priv_key(struct crypto_akcipher *tfm, const void *key,
for (i = 0; i < cptvf->nr_queues; i++)
tasklet_kill(&cwqe_info->vq_wqe[i].twork);
- kzfree(cwqe_info);
+ kfree_sensitive(cwqe_info);
cptvf->wqe_info = NULL;
}
continue;
/* free single queue */
- kzfree((queue->head));
+ kfree_sensitive((queue->head));
queue->front = 0;
queue->rear = 0;
chunk->head = NULL;
chunk->dma_addr = 0;
hlist_del(&chunk->nextchunk);
- kzfree(chunk);
+ kfree_sensitive(chunk);
}
queue->nchunks = 0;
}
}
- kzfree(info->scatter_components);
- kzfree(info->gather_components);
- kzfree(info->out_buffer);
- kzfree(info->in_buffer);
- kzfree((void *)info->completion_addr);
- kzfree(info);
+ kfree_sensitive(info->scatter_components);
+ kfree_sensitive(info->gather_components);
+ kfree_sensitive(info->out_buffer);
+ kfree_sensitive(info->in_buffer);
+ kfree_sensitive((void *)info->completion_addr);
+ kfree_sensitive(info);
}
static void do_post_process(struct cpt_vf *cptvf, struct cpt_info_buffer *info)
for (i = 0; i < ndev->nr_queues; i++) {
nitrox_cmdq_cleanup(ndev->aqmq[i]);
- kzfree(ndev->aqmq[i]);
+ kfree_sensitive(ndev->aqmq[i]);
ndev->aqmq[i] = NULL;
}
}
err = nitrox_cmdq_init(cmdq, AQM_Q_ALIGN_BYTES);
if (err) {
- kzfree(cmdq);
+ kfree_sensitive(cmdq);
goto aqmq_fail;
}
ndev->aqmq[i] = cmdq;
ret = zip_ctx_init(zip_ctx, 0);
if (ret) {
- kzfree(zip_ctx);
+ kfree_sensitive(zip_ctx);
return ERR_PTR(ret);
}
ret = zip_ctx_init(zip_ctx, 1);
if (ret) {
- kzfree(zip_ctx);
+ kfree_sensitive(zip_ctx);
return ERR_PTR(ret);
}
struct zip_kernel_ctx *zip_ctx = ctx;
zip_ctx_exit(zip_ctx);
- kzfree(zip_ctx);
+ kfree_sensitive(zip_ctx);
}
int zip_scomp_compress(struct crypto_scomp *tfm,
static void ccp_rsa_free_key_bufs(struct ccp_ctx *ctx)
{
/* Clean up old key data */
- kzfree(ctx->u.rsa.e_buf);
+ kfree_sensitive(ctx->u.rsa.e_buf);
ctx->u.rsa.e_buf = NULL;
ctx->u.rsa.e_len = 0;
- kzfree(ctx->u.rsa.n_buf);
+ kfree_sensitive(ctx->u.rsa.n_buf);
ctx->u.rsa.n_buf = NULL;
ctx->u.rsa.n_len = 0;
- kzfree(ctx->u.rsa.d_buf);
+ kfree_sensitive(ctx->u.rsa.d_buf);
ctx->u.rsa.d_buf = NULL;
ctx->u.rsa.d_len = 0;
}
if (dma_mapping_error(dev, key_dma_addr)) {
dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n",
key, keylen);
- kzfree(key);
+ kfree_sensitive(key);
return -ENOMEM;
}
if (keylen > blocksize) {
if (key_dma_addr)
dma_unmap_single(dev, key_dma_addr, keylen, DMA_TO_DEVICE);
- kzfree(key);
+ kfree_sensitive(key);
return rc;
}
if (areq_ctx->gen_ctx.iv_dma_addr) {
dma_unmap_single(dev, areq_ctx->gen_ctx.iv_dma_addr,
hw_iv_size, DMA_BIDIRECTIONAL);
- kzfree(areq_ctx->gen_ctx.iv);
+ kfree_sensitive(areq_ctx->gen_ctx.iv);
}
/* Release pool */
if (dma_mapping_error(dev, areq_ctx->gen_ctx.iv_dma_addr)) {
dev_err(dev, "Mapping iv %u B at va=%pK for DMA failed\n",
hw_iv_size, req->iv);
- kzfree(areq_ctx->gen_ctx.iv);
+ kfree_sensitive(areq_ctx->gen_ctx.iv);
areq_ctx->gen_ctx.iv = NULL;
rc = -ENOMEM;
goto chain_iv_exit;
&ctx_p->user.key_dma_addr);
/* Free key buffer in context */
- kzfree(ctx_p->user.key);
+ kfree_sensitive(ctx_p->user.key);
dev_dbg(dev, "Free key buffer in context. key=@%p\n", ctx_p->user.key);
}
/* Not a BACKLOG notification */
cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst);
memcpy(req->iv, req_ctx->iv, ivsize);
- kzfree(req_ctx->iv);
+ kfree_sensitive(req_ctx->iv);
}
skcipher_request_complete(req, err);
exit_process:
if (rc != -EINPROGRESS && rc != -EBUSY) {
- kzfree(req_ctx->iv);
+ kfree_sensitive(req_ctx->iv);
}
return rc;
if (dma_mapping_error(dev, ctx->key_params.key_dma_addr)) {
dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n",
ctx->key_params.key, keylen);
- kzfree(ctx->key_params.key);
+ kfree_sensitive(ctx->key_params.key);
return -ENOMEM;
}
dev_dbg(dev, "mapping key-buffer: key_dma_addr=%pad keylen=%u\n",
&ctx->key_params.key_dma_addr, ctx->key_params.keylen);
}
- kzfree(ctx->key_params.key);
+ kfree_sensitive(ctx->key_params.key);
return rc;
}
if (dma_mapping_error(dev, ctx->key_params.key_dma_addr)) {
dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n",
key, keylen);
- kzfree(ctx->key_params.key);
+ kfree_sensitive(ctx->key_params.key);
return -ENOMEM;
}
dev_dbg(dev, "mapping key-buffer: key_dma_addr=%pad keylen=%u\n",
dev_dbg(dev, "Unmapped key-buffer: key_dma_addr=%pad keylen=%u\n",
&ctx->key_params.key_dma_addr, ctx->key_params.keylen);
- kzfree(ctx->key_params.key);
+ kfree_sensitive(ctx->key_params.key);
return rc;
}
/* Kill tasklet */
tasklet_kill(&req_mgr_h->comptask);
#endif
- kzfree(req_mgr_h);
+ kfree_sensitive(req_mgr_h);
drvdata->request_mgr_handle = NULL;
}
}
/* Set the memory region to 0 to avoid any leak. */
- kzfree(keydup);
+ kfree_sensitive(keydup);
if (ret)
return ret;
for (i = 0; i < cptvf->num_queues; i++)
tasklet_kill(&cwqe_info->vq_wqe[i].twork);
- kzfree(cwqe_info);
+ kfree_sensitive(cwqe_info);
cptvf->wqe_info = NULL;
}
continue;
/* free single queue */
- kzfree((queue->head));
+ kfree_sensitive((queue->head));
queue->front = 0;
queue->rear = 0;
queue->qlen = 0;
chunk->head = NULL;
chunk->dma_addr = 0;
list_del(&chunk->nextchunk);
- kzfree(chunk);
+ kfree_sensitive(chunk);
}
queue->num_chunks = 0;
queue->idx = 0;
DMA_BIDIRECTIONAL);
}
}
- kzfree(info);
+ kfree_sensitive(info);
}
struct otx_cptvf_wqe;
{
struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm);
- kzfree(nx_ctx->kmem);
+ kfree_sensitive(nx_ctx->kmem);
nx_ctx->csbcpb = NULL;
nx_ctx->csbcpb_aead = NULL;
nx_ctx->in_sg = NULL;
{
struct nx_crypto_ctx *nx_ctx = crypto_aead_ctx(tfm);
- kzfree(nx_ctx->kmem);
+ kfree_sensitive(nx_ctx->kmem);
}
static int nx_probe(struct vio_dev *viodev, const struct vio_device_id *id)
num_in, vcrypto, GFP_ATOMIC);
if (err < 0) {
spin_unlock(&vcrypto->ctrl_lock);
- kzfree(cipher_key);
+ kfree_sensitive(cipher_key);
return err;
}
virtqueue_kick(vcrypto->ctrl_vq);
spin_unlock(&vcrypto->ctrl_lock);
pr_err("virtio_crypto: Create session failed status: %u\n",
le32_to_cpu(vcrypto->input.status));
- kzfree(cipher_key);
+ kfree_sensitive(cipher_key);
return -EINVAL;
}
spin_unlock(&vcrypto->ctrl_lock);
- kzfree(cipher_key);
+ kfree_sensitive(cipher_key);
return 0;
}
return 0;
free_iv:
- kzfree(iv);
+ kfree_sensitive(iv);
free:
- kzfree(req_data);
+ kfree_sensitive(req_data);
kfree(sgs);
return err;
}
scatterwalk_map_and_copy(req->iv, req->dst,
req->cryptlen - AES_BLOCK_SIZE,
AES_BLOCK_SIZE, 0);
- kzfree(vc_sym_req->iv);
+ kfree_sensitive(vc_sym_req->iv);
virtcrypto_clear_request(&vc_sym_req->base);
crypto_finalize_skcipher_request(vc_sym_req->base.dataq->engine,
virtcrypto_clear_request(struct virtio_crypto_request *vc_req)
{
if (vc_req) {
- kzfree(vc_req->req_data);
+ kfree_sensitive(vc_req->req_data);
kfree(vc_req->sgs);
}
}
crypto_free_shash(lmk->hash_tfm);
lmk->hash_tfm = NULL;
- kzfree(lmk->seed);
+ kfree_sensitive(lmk->seed);
lmk->seed = NULL;
}
{
struct iv_tcw_private *tcw = &cc->iv_gen_private.tcw;
- kzfree(tcw->iv_seed);
+ kfree_sensitive(tcw->iv_seed);
tcw->iv_seed = NULL;
- kzfree(tcw->whitening);
+ kfree_sensitive(tcw->whitening);
tcw->whitening = NULL;
if (tcw->crc32_tfm && !IS_ERR(tcw->crc32_tfm))
kunmap_atomic(data);
out:
- kzfree(ks);
- kzfree(es);
+ kfree_sensitive(ks);
+ kfree_sensitive(es);
skcipher_request_free(req);
return r;
}
key = request_key(type, key_desc + 1, NULL);
if (IS_ERR(key)) {
- kzfree(new_key_string);
+ kfree_sensitive(new_key_string);
return PTR_ERR(key);
}
if (ret < 0) {
up_read(&key->sem);
key_put(key);
- kzfree(new_key_string);
+ kfree_sensitive(new_key_string);
return ret;
}
if (!ret) {
set_bit(DM_CRYPT_KEY_VALID, &cc->flags);
- kzfree(cc->key_string);
+ kfree_sensitive(cc->key_string);
cc->key_string = new_key_string;
} else
- kzfree(new_key_string);
+ kfree_sensitive(new_key_string);
return ret;
}
clear_bit(DM_CRYPT_KEY_VALID, &cc->flags);
/* wipe references to any kernel keyring key */
- kzfree(cc->key_string);
+ kfree_sensitive(cc->key_string);
cc->key_string = NULL;
/* Decode key from its hex representation. */
return r;
}
- kzfree(cc->key_string);
+ kfree_sensitive(cc->key_string);
cc->key_string = NULL;
r = crypt_setkey(cc);
memset(&cc->key, 0, cc->key_size * sizeof(u8));
if (cc->dev)
dm_put_device(ti, cc->dev);
- kzfree(cc->cipher_string);
- kzfree(cc->key_string);
- kzfree(cc->cipher_auth);
- kzfree(cc->authenc_key);
+ kfree_sensitive(cc->cipher_string);
+ kfree_sensitive(cc->key_string);
+ kfree_sensitive(cc->cipher_auth);
+ kfree_sensitive(cc->authenc_key);
mutex_destroy(&cc->bio_alloc_lock);
/* Must zero key material before freeing */
- kzfree(cc);
+ kfree_sensitive(cc);
spin_lock(&dm_crypt_clients_lock);
WARN_ON(!dm_crypt_clients_n);
static void free_alg(struct alg_spec *a)
{
- kzfree(a->alg_string);
- kzfree(a->key);
+ kfree_sensitive(a->alg_string);
+ kfree_sensitive(a->key);
memset(a, 0, sizeof *a);
}
for (i = 0; i < ic->journal_sections; i++) {
struct skcipher_request *req = ic->sk_requests[i];
if (req) {
- kzfree(req->iv);
+ kfree_sensitive(req->iv);
skcipher_request_free(req);
}
}
if (dma_mapping_error(&vdev->dev, *dma_handle)) {
*dma_handle = 0;
- kzfree(buffer);
+ kfree_sensitive(buffer);
return NULL;
}
dma_unmap_single(&vdev->dev, dma_handle, size, DMA_BIDIRECTIONAL);
/* deallocate memory */
- kzfree(vaddr);
+ kfree_sensitive(vaddr);
}
/**
spin_unlock_irqrestore(&hmc->lock, flags);
}
- kzfree(session);
+ kfree_sensitive(session);
return rc;
}
while (chain) {
chain_tmp = chain->next;
- kzfree(chain);
+ kfree_sensitive(chain);
chain = chain_tmp;
}
}
return 0;
err_aead:
- kzfree(xs->aead);
+ kfree_sensitive(xs->aead);
err_xs:
- kzfree(xs);
+ kfree_sensitive(xs);
err_out:
msgbuf[1] = err;
return err;
ixgbe_ipsec_del_sa(xs);
/* remove the xs that was made-up in the add request */
- kzfree(xs);
+ kfree_sensitive(xs);
return 0;
}
kfree(state->sha1_digest);
if (state->sha1) {
crypto_free_shash(state->sha1->tfm);
- kzfree(state->sha1);
+ kfree_sensitive(state->sha1);
}
kfree(state);
out:
if (state) {
kfree(state->sha1_digest);
crypto_free_shash(state->sha1->tfm);
- kzfree(state->sha1);
- kzfree(state);
+ kfree_sensitive(state->sha1);
+ kfree_sensitive(state);
}
}
static void keypair_free_rcu(struct rcu_head *rcu)
{
- kzfree(container_of(rcu, struct noise_keypair, rcu));
+ kfree_sensitive(container_of(rcu, struct noise_keypair, rcu));
}
static void keypair_free_kref(struct kref *kref)
handshake->entry.peer->device->index_hashtable,
&handshake->entry, &new_keypair->entry);
} else {
- kzfree(new_keypair);
+ kfree_sensitive(new_keypair);
}
rcu_read_unlock_bh();
/* The final zeroing takes care of clearing any remaining handshake key
* material and other potentially sensitive information.
*/
- kzfree(peer);
+ kfree_sensitive(peer);
}
static void kref_release(struct kref *refcount)
&rxcb, rxq->id);
if (reclaim) {
- kzfree(txq->entries[cmd_index].free_buf);
+ kfree_sensitive(txq->entries[cmd_index].free_buf);
txq->entries[cmd_index].free_buf = NULL;
}
BUILD_BUG_ON(IWL_TFH_NUM_TBS > sizeof(out_meta->tbs) * BITS_PER_BYTE);
out_meta->flags = cmd->flags;
if (WARN_ON_ONCE(txq->entries[idx].free_buf))
- kzfree(txq->entries[idx].free_buf);
+ kfree_sensitive(txq->entries[idx].free_buf);
txq->entries[idx].free_buf = dup_buf;
trace_iwlwifi_dev_hcmd(trans->dev, cmd, cmd_size, &out_cmd->hdr_wide);
/* De-alloc array of command/tx buffers */
if (txq_id == trans->txqs.cmd.q_id)
for (i = 0; i < txq->n_window; i++) {
- kzfree(txq->entries[i].cmd);
- kzfree(txq->entries[i].free_buf);
+ kfree_sensitive(txq->entries[i].cmd);
+ kfree_sensitive(txq->entries[i].free_buf);
}
del_timer_sync(&txq->stuck_timer);
/* De-alloc array of command/tx buffers */
if (txq_id == trans->txqs.cmd.q_id)
for (i = 0; i < txq->n_window; i++) {
- kzfree(txq->entries[i].cmd);
- kzfree(txq->entries[i].free_buf);
+ kfree_sensitive(txq->entries[i].cmd);
+ kfree_sensitive(txq->entries[i].free_buf);
}
/* De-alloc circular buffer of TFDs */
BUILD_BUG_ON(IWL_TFH_NUM_TBS > sizeof(out_meta->tbs) * BITS_PER_BYTE);
out_meta->flags = cmd->flags;
if (WARN_ON_ONCE(txq->entries[idx].free_buf))
- kzfree(txq->entries[idx].free_buf);
+ kfree_sensitive(txq->entries[idx].free_buf);
txq->entries[idx].free_buf = dup_buf;
trace_iwlwifi_dev_hcmd(trans->dev, cmd, cmd_size, &out_cmd->hdr_wide);
enum orinoco_alg alg, const u8 *key, int key_len,
const u8 *seq, int seq_len)
{
- kzfree(priv->keys[index].key);
- kzfree(priv->keys[index].seq);
+ kfree_sensitive(priv->keys[index].key);
+ kfree_sensitive(priv->keys[index].seq);
if (key_len) {
priv->keys[index].key = kzalloc(key_len, GFP_ATOMIC);
*/
static inline void ap_release_message(struct ap_message *ap_msg)
{
- kzfree(ap_msg->msg);
- kzfree(ap_msg->private);
+ kfree_sensitive(ap_msg->msg);
+ kfree_sensitive(ap_msg->private);
}
/*
ret = crypto_shash_finup(desc, data + 12, len - 12, result);
err_free_desc:
- kzfree(desc);
+ kfree_sensitive(desc);
err_free_tfm:
crypto_free_shash(tfm);
static void aes_encrypt_deinit(void *ctx)
{
- kzfree(ctx);
+ kfree_sensitive(ctx);
}
failed:
/* Free up the WEP buffer if it's not the same as the skb */
if ((p80211_wep.data) && (p80211_wep.data != skb->data))
- kzfree(p80211_wep.data);
+ kfree_sensitive(p80211_wep.data);
/* we always free the skb here, never in a lower level. */
if (!result)
pr_debug("[server] Sending CHAP_R=0x%s\n", response);
auth_ret = 0;
out:
- kzfree(desc);
+ kfree_sensitive(desc);
if (tfm)
crypto_free_shash(tfm);
kfree(initiatorchg);
ses->auth_key.len = CIFS_SESS_KEY_SIZE;
memzero_explicit(sec_key, CIFS_SESS_KEY_SIZE);
- kzfree(ctx_arc4);
+ kfree_sensitive(ctx_arc4);
return 0;
}
tmp_end++;
if (!(tmp_end < end && tmp_end[1] == delim)) {
/* No it is not. Set the password to NULL */
- kzfree(vol->password);
+ kfree_sensitive(vol->password);
vol->password = NULL;
break;
}
options = end;
}
- kzfree(vol->password);
+ kfree_sensitive(vol->password);
/* Now build new password string */
temp_len = strlen(value);
vol->password = kzalloc(temp_len+1, GFP_KERNEL);
rc = -ENOMEM;
kfree(vol->username);
vol->username = NULL;
- kzfree(vol->password);
+ kfree_sensitive(vol->password);
vol->password = NULL;
goto out_key_put;
}
cifs_cleanup_volume_info_contents(struct smb_vol *volume_info)
{
kfree(volume_info->username);
- kzfree(volume_info->password);
+ kfree_sensitive(volume_info->password);
kfree(volume_info->UNC);
kfree(volume_info->domainname);
kfree(volume_info->iocharset);
out:
kfree(vol_info->username);
- kzfree(vol_info->password);
+ kfree_sensitive(vol_info->password);
kfree(vol_info);
return tcon;
err_free_unc:
kfree(new->UNC);
err_free_password:
- kzfree(new->password);
+ kfree_sensitive(new->password);
err_free_username:
kfree(new->username);
kfree(new);
kfree(buf_to_free->serverOS);
kfree(buf_to_free->serverDomain);
kfree(buf_to_free->serverNOS);
- kzfree(buf_to_free->password);
+ kfree_sensitive(buf_to_free->password);
kfree(buf_to_free->user_name);
kfree(buf_to_free->domainName);
- kzfree(buf_to_free->auth_key.response);
+ kfree_sensitive(buf_to_free->auth_key.response);
kfree(buf_to_free->iface_list);
- kzfree(buf_to_free);
+ kfree_sensitive(buf_to_free);
}
struct cifs_tcon *
}
atomic_dec(&tconInfoAllocCount);
kfree(buf_to_free->nativeFileSystem);
- kzfree(buf_to_free->password);
+ kfree_sensitive(buf_to_free->password);
kfree(buf_to_free->crfid.fid);
#ifdef CONFIG_CIFS_DFS_UPCALL
kfree(buf_to_free->dfs_path);
#include <linux/blkdev.h>
#include <linux/buffer_head.h>
#include <linux/sched/mm.h>
+#include <linux/slab.h>
#include "fscrypt_private.h"
fail:
for (i = 0; i < queue_refs; i++)
blk_put_queue(blk_key->devs[i]);
- kzfree(blk_key);
+ kfree_sensitive(blk_key);
return err;
}
blk_crypto_evict_key(blk_key->devs[i], &blk_key->base);
blk_put_queue(blk_key->devs[i]);
}
- kzfree(blk_key);
+ kfree_sensitive(blk_key);
}
}
}
key_put(mk->mk_users);
- kzfree(mk);
+ kfree_sensitive(mk);
}
static inline bool valid_key_spec(const struct fscrypt_key_specifier *spec)
static void fscrypt_provisioning_key_free_preparse(
struct key_preparsed_payload *prep)
{
- kzfree(prep->payload.data[0]);
+ kfree_sensitive(prep->payload.data[0]);
}
static void fscrypt_provisioning_key_describe(const struct key *key,
static void fscrypt_provisioning_key_destroy(struct key *key)
{
- kzfree(key->payload.data[0]);
+ kfree_sensitive(key->payload.data[0]);
}
static struct key_type key_type_fscrypt_provisioning = {
{
if (dk) {
fscrypt_destroy_prepared_key(&dk->dk_key);
- kzfree(dk);
+ kfree_sensitive(dk);
}
}
err = fscrypt_set_per_file_enc_key(ci, derived_key);
out:
- kzfree(derived_key);
+ kfree_sensitive(derived_key);
return err;
}
out_release_free_unlock:
crypto_free_shash(s->hash_tfm);
out_free_unlock:
- kzfree(s->block_aligned_filename);
+ kfree_sensitive(s->block_aligned_filename);
out_unlock:
mutex_unlock(s->tfm_mutex);
out:
key_put(auth_tok_key);
}
skcipher_request_free(s->skcipher_req);
- kzfree(s->hash_desc);
+ kfree_sensitive(s->hash_desc);
kfree(s);
return rc;
}
}
hlist_del(&daemon->euid_chain);
mutex_unlock(&daemon->mux);
- kzfree(daemon);
+ kfree_sensitive(daemon);
out:
return rc;
}
*/
static inline void aead_request_free(struct aead_request *req)
{
- kzfree(req);
+ kfree_sensitive(req);
}
/**
*/
static inline void akcipher_request_free(struct akcipher_request *req)
{
- kzfree(req);
+ kfree_sensitive(req);
}
/**
void gf128mul_x8_ble(le128 *r, const le128 *x);
static inline void gf128mul_free_4k(struct gf128mul_4k *t)
{
- kzfree(t);
+ kfree_sensitive(t);
}
*/
static inline void ahash_request_free(struct ahash_request *req)
{
- kzfree(req);
+ kfree_sensitive(req);
}
static inline void ahash_request_zero(struct ahash_request *req)
static inline void __acomp_request_free(struct acomp_req *req)
{
- kzfree(req);
+ kfree_sensitive(req);
}
/**
*/
static inline void kpp_request_free(struct kpp_request *req)
{
- kzfree(req);
+ kfree_sensitive(req);
}
/**
*/
static inline void skcipher_request_free(struct skcipher_request *req)
{
- kzfree(req);
+ kfree_sensitive(req);
}
static inline void skcipher_request_zero(struct skcipher_request *req)
*/
void * __must_check krealloc(const void *, size_t, gfp_t);
void kfree(const void *);
-void kzfree(const void *);
+void kfree_sensitive(const void *);
size_t __ksize(const void *);
size_t ksize(const void *);
+#define kzfree(x) kfree_sensitive(x) /* For backward compatibility */
+
#ifdef CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR
void __check_heap_object(const void *ptr, unsigned long n, struct page *page,
bool to_user);
if (!a)
return;
- kzfree(a);
+ kfree_sensitive(a);
}
void mpi_assign_limb_space(MPI a, mpi_ptr_t ap, unsigned nlimbs)
if (!p)
return -ENOMEM;
memcpy(p, a->d, a->alloced * sizeof(mpi_limb_t));
- kzfree(a->d);
+ kfree_sensitive(a->d);
a->d = p;
} else {
a->d = kcalloc(nlimbs, sizeof(mpi_limb_t), GFP_KERNEL);
return;
if (a->flags & 4)
- kzfree(a->d);
+ kfree_sensitive(a->d);
else
mpi_free_limb_space(a->d);
char *ptr;
size_t size = 16;
- pr_info("double-free (kzfree)\n");
+ pr_info("double-free (kfree_sensitive)\n");
ptr = kmalloc(size, GFP_KERNEL);
if (!ptr) {
pr_err("Allocation failed\n");
return;
}
- kzfree(ptr);
- kzfree(ptr);
+ kfree_sensitive(ptr);
+ kfree_sensitive(ptr);
}
#ifdef CONFIG_KASAN_VMALLOC
EXPORT_SYMBOL(krealloc);
/**
- * kzfree - like kfree but zero memory
+ * kfree_sensitive - Clear sensitive information in memory before freeing
* @p: object to free memory of
*
* The memory of the object @p points to is zeroed before freed.
- * If @p is %NULL, kzfree() does nothing.
+ * If @p is %NULL, kfree_sensitive() does nothing.
*
* Note: this function zeroes the whole allocated buffer which can be a good
* deal bigger than the requested buffer size passed to kmalloc(). So be
* careful when using this function in performance sensitive code.
*/
-void kzfree(const void *p)
+void kfree_sensitive(const void *p)
{
size_t ks;
void *mem = (void *)p;
memzero_explicit(mem, ks);
kfree(mem);
}
-EXPORT_SYMBOL(kzfree);
+EXPORT_SYMBOL(kfree_sensitive);
/**
* ksize - get the actual amount of memory allocated for a given object
static void in_cache_put(in_cache_entry *entry)
{
if (refcount_dec_and_test(&entry->use)) {
- kzfree(entry);
+ kfree_sensitive(entry);
}
}
static void eg_cache_put(eg_cache_entry *entry)
{
if (refcount_dec_and_test(&entry->use)) {
- kzfree(entry);
+ kfree_sensitive(entry);
}
}
free_all:
kpp_request_free(req);
free_tmp:
- kzfree(tmp);
+ kfree_sensitive(tmp);
return err;
}
err = crypto_kpp_set_secret(tfm, buf, buf_len);
/* fall through */
free_all:
- kzfree(buf);
+ kfree_sensitive(buf);
free_tmp:
- kzfree(tmp);
+ kfree_sensitive(tmp);
return err;
}
complete = test_bit(SMP_FLAG_COMPLETE, &smp->flags);
mgmt_smp_complete(hcon, complete);
- kzfree(smp->csrk);
- kzfree(smp->slave_csrk);
- kzfree(smp->link_key);
+ kfree_sensitive(smp->csrk);
+ kfree_sensitive(smp->slave_csrk);
+ kfree_sensitive(smp->link_key);
crypto_free_shash(smp->tfm_cmac);
crypto_free_kpp(smp->tfm_ecdh);
}
chan->data = NULL;
- kzfree(smp);
+ kfree_sensitive(smp);
hci_conn_drop(hcon);
}
const u8 salt[16] = { 0x31, 0x70, 0x6d, 0x74 };
if (smp_h7(smp->tfm_cmac, smp->tk, salt, smp->link_key)) {
- kzfree(smp->link_key);
+ kfree_sensitive(smp->link_key);
smp->link_key = NULL;
return;
}
const u8 tmp1[4] = { 0x31, 0x70, 0x6d, 0x74 };
if (smp_h6(smp->tfm_cmac, smp->tk, tmp1, smp->link_key)) {
- kzfree(smp->link_key);
+ kfree_sensitive(smp->link_key);
smp->link_key = NULL;
return;
}
}
if (smp_h6(smp->tfm_cmac, smp->link_key, lebr, smp->link_key)) {
- kzfree(smp->link_key);
+ kfree_sensitive(smp->link_key);
smp->link_key = NULL;
return;
}
free_shash:
crypto_free_shash(smp->tfm_cmac);
zfree_smp:
- kzfree(smp);
+ kfree_sensitive(smp);
return NULL;
}
tfm_cmac = crypto_alloc_shash("cmac(aes)", 0, 0);
if (IS_ERR(tfm_cmac)) {
BT_ERR("Unable to create CMAC crypto context");
- kzfree(smp);
+ kfree_sensitive(smp);
return ERR_CAST(tfm_cmac);
}
if (IS_ERR(tfm_ecdh)) {
BT_ERR("Unable to create ECDH crypto context");
crypto_free_shash(tfm_cmac);
- kzfree(smp);
+ kfree_sensitive(smp);
return ERR_CAST(tfm_ecdh);
}
if (smp) {
crypto_free_shash(smp->tfm_cmac);
crypto_free_kpp(smp->tfm_ecdh);
- kzfree(smp);
+ kfree_sensitive(smp);
}
return ERR_PTR(-ENOMEM);
}
chan->data = NULL;
crypto_free_shash(smp->tfm_cmac);
crypto_free_kpp(smp->tfm_ecdh);
- kzfree(smp);
+ kfree_sensitive(smp);
}
l2cap_chan_put(chan);
if (WARN_ON_ONCE(!mem))
return;
if (nullify)
- kzfree(mem);
+ kfree_sensitive(mem);
else
kfree(mem);
atomic_sub(size, &sk->sk_omem_alloc);
struct tcp_fastopen_context *ctx =
container_of(head, struct tcp_fastopen_context, rcu);
- kzfree(ctx);
+ kfree_sensitive(ctx);
}
void tcp_fastopen_destroy_cipher(struct sock *sk)
aead_request_set_ad(aead_req, sg[0].length);
crypto_aead_encrypt(aead_req);
- kzfree(aead_req);
+ kfree_sensitive(aead_req);
return 0;
}
aead_request_set_ad(aead_req, sg[0].length);
err = crypto_aead_decrypt(aead_req);
- kzfree(aead_req);
+ kfree_sensitive(aead_req);
return err;
}
aead_request_set_ad(aead_req, GMAC_AAD_LEN + data_len);
crypto_aead_encrypt(aead_req);
- kzfree(aead_req);
+ kfree_sensitive(aead_req);
return 0;
}
ieee80211_aes_gcm_key_free(key->u.gcmp.tfm);
break;
}
- kzfree(key);
+ kfree_sensitive(key);
}
static void __ieee80211_key_destroy(struct ieee80211_key *key,
msl = container_of(sl, struct mac802154_llsec_seclevel, level);
list_del(&sl->list);
- kzfree(msl);
+ kfree_sensitive(msl);
}
list_for_each_entry_safe(dev, dn, &sec->table.devices, list) {
mkey = container_of(key->key, struct mac802154_llsec_key, key);
list_del(&key->list);
llsec_key_put(mkey);
- kzfree(key);
+ kfree_sensitive(key);
}
}
if (key->tfm[i])
crypto_free_aead(key->tfm[i]);
- kzfree(key);
+ kfree_sensitive(key);
return NULL;
}
crypto_free_aead(key->tfm[i]);
crypto_free_sync_skcipher(key->tfm0);
- kzfree(key);
+ kfree_sensitive(key);
}
static struct mac802154_llsec_key*
return 0;
fail:
- kzfree(new);
+ kfree_sensitive(new);
return -ENOMEM;
}
devkey);
list_del(&pos->list);
- kzfree(devkey);
+ kfree_sensitive(devkey);
}
- kzfree(dev);
+ kfree_sensitive(dev);
}
int mac802154_llsec_dev_add(struct mac802154_llsec *sec,
rc = crypto_aead_encrypt(req);
- kzfree(req);
+ kfree_sensitive(req);
return rc;
}
rc = crypto_aead_decrypt(req);
- kzfree(req);
+ kfree_sensitive(req);
skb_trim(skb, skb->len - authlen);
return rc;
if (!devkey)
list_add_rcu(&next->devkey.list, &dev->dev.keys);
else
- kzfree(next);
+ kfree_sensitive(next);
spin_unlock_bh(&dev->lock);
}
return;
if (refcount_dec_and_test(&key->refcnt)) {
- kzfree(key);
+ kfree_sensitive(key);
SCTP_DBG_OBJCNT_DEC(keys);
}
}
err = 0;
out_err:
- kzfree(desc);
+ kfree_sensitive(desc);
crypto_free_shash(hmac);
dprintk("%s: returning %d\n", __func__, err);
return err;
err = 0;
out_err:
- kzfree(desc);
+ kfree_sensitive(desc);
crypto_free_shash(hmac);
dprintk("%s: returning %d\n", __func__, err);
return err;
ret = 0;
err_free_raw:
- kzfree(rawkey);
+ kfree_sensitive(rawkey);
err_free_out:
- kzfree(outblockdata);
+ kfree_sensitive(outblockdata);
err_free_in:
- kzfree(inblockdata);
+ kfree_sensitive(inblockdata);
err_free_cipher:
crypto_free_sync_skcipher(cipher);
err_return:
desc->tfm = hmac;
err = crypto_shash_digest(desc, sigkeyconstant, slen, ctx->cksum);
- kzfree(desc);
+ kfree_sensitive(desc);
if (err)
goto out_err_free_hmac;
/*
/* Allocate per-cpu TFM entry pointer */
tmp->tfm_entry = alloc_percpu(struct tipc_tfm *);
if (!tmp->tfm_entry) {
- kzfree(tmp);
+ kfree_sensitive(tmp);
return -ENOMEM;
}
/* Not any TFM is allocated? */
if (!tfm_cnt) {
free_percpu(tmp->tfm_entry);
- kzfree(tmp);
+ kfree_sensitive(tmp);
return err;
}
aead->tfm_entry = alloc_percpu_gfp(struct tipc_tfm *, GFP_ATOMIC);
if (unlikely(!aead->tfm_entry)) {
- kzfree(aead);
+ kfree_sensitive(aead);
return -ENOMEM;
}
/* Allocate statistic structure */
c->stats = alloc_percpu_gfp(struct tipc_crypto_stats, GFP_ATOMIC);
if (!c->stats) {
- kzfree(c);
+ kfree_sensitive(c);
return -ENOMEM;
}
free_percpu(c->stats);
*crypto = NULL;
- kzfree(c);
+ kfree_sensitive(c);
}
void tipc_crypto_timeout(struct tipc_crypto *rx)
}
#ifdef CONFIG_CFG80211_WEXT
- kzfree(wdev->wext.keys);
+ kfree_sensitive(wdev->wext.keys);
wdev->wext.keys = NULL;
#endif
/* only initialized if we have a netdev */
return -EINVAL;
if (WARN_ON(wdev->connect_keys))
- kzfree(wdev->connect_keys);
+ kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = connkeys;
wdev->ibss_fixed = params->channel_fixed;
ASSERT_WDEV_LOCK(wdev);
- kzfree(wdev->connect_keys);
+ kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = NULL;
rdev_set_qos_map(rdev, dev, NULL);
crypto_free_shash(_priv->tx_tfm_michael);
crypto_free_shash(_priv->rx_tfm_michael);
}
- kzfree(priv);
+ kfree_sensitive(priv);
}
static inline u16 RotR1(u16 val)
static void lib80211_wep_deinit(void *priv)
{
- kzfree(priv);
+ kfree_sensitive(priv);
}
/* Add WEP IV/key info to a frame that has at least 4 bytes of headroom */
if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
no_ht) {
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
return -EINVAL;
}
}
int r = validate_pae_over_nl80211(rdev, info);
if (r < 0) {
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
return r;
}
wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
if (err)
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
wdev_unlock(dev->ieee80211_ptr);
if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
return -EINVAL;
}
memcpy(&connect.ht_capa,
if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
return -EINVAL;
}
memcpy(&connect.vht_capa,
(rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
!wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_RRM)) {
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
return -EINVAL;
}
connect.flags |= ASSOC_REQ_USE_RRM;
connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
return -EOPNOTSUPP;
}
if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
/* bss selection makes no sense if bssid is set */
if (connect.bssid) {
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
return -EINVAL;
}
err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
wiphy, &connect.bss_select);
if (err) {
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
return err;
}
}
info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
return -EINVAL;
}
if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
GENL_SET_ERR_MSG(info,
"external auth requires connection ownership");
return -EINVAL;
err = cfg80211_connect(rdev, dev, &connect, connkeys,
connect.prev_bssid);
if (err)
- kzfree(connkeys);
+ kfree_sensitive(connkeys);
if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
}
if (cr->status != WLAN_STATUS_SUCCESS) {
- kzfree(wdev->connect_keys);
+ kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = NULL;
wdev->ssid_len = 0;
wdev->conn_owner_nlportid = 0;
wdev->current_bss = NULL;
wdev->ssid_len = 0;
wdev->conn_owner_nlportid = 0;
- kzfree(wdev->connect_keys);
+ kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = NULL;
nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap);
ASSERT_WDEV_LOCK(wdev);
- kzfree(wdev->connect_keys);
+ kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = NULL;
wdev->conn_owner_nlportid = 0;
}
}
- kzfree(wdev->connect_keys);
+ kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = NULL;
}
err = cfg80211_connect(rdev, wdev->netdev,
&wdev->wext.connect, ck, prev_bssid);
if (err)
- kzfree(ck);
+ kfree_sensitive(ck);
return err;
}
(
kfree@p(x)
|
- kzfree@p(x)
+ kfree_sensitive@p(x)
|
krealloc@p(x, ...)
|
(
* kfree@p(x)
|
-* kzfree@p(x)
+* kfree_sensitive@p(x)
|
* krealloc@p(x, ...)
|
(
kfree(E);
|
- kzfree(E);
+ kfree_sensitive(E);
|
debugfs_remove(E);
|
@@
* if (E != NULL)
-* \(kfree@p\|kzfree@p\|debugfs_remove@p\|debugfs_remove_recursive@p\|
+* \(kfree@p\|kfree_sensitive@p\|debugfs_remove@p\|debugfs_remove_recursive@p\|
* usb_free_urb@p\|kmem_cache_destroy@p\|mempool_destroy@p\|
* dma_pool_destroy@p\)(E);
(
* kfree@p1(E)
|
-* kzfree@p1(E)
+* kfree_sensitive@p1(E)
)
@print expression@
(
* kfree@ok(E)
|
-* kzfree@ok(E)
+* kfree_sensitive@ok(E)
)
... when != break;
when != goto l;
(
* kfree@p1(E,...)
|
-* kzfree@p1(E,...)
+* kfree_sensitive@p1(E,...)
)
...
(
(
* kfree@p(&e->f)
|
-* kzfree@p(&e->f)
+* kfree_sensitive@p(&e->f)
)
@script:python depends on org@
return;
for (i = 0; i < domain->size; i++)
- kzfree(domain->table[i]);
- kzfree(domain->table);
+ kfree_sensitive(domain->table[i]);
+ kfree_sensitive(domain->table);
domain->table = NULL;
}
}
{
if (ctx) {
aa_put_label(rcu_access_pointer(ctx->label));
- kzfree(ctx);
+ kfree_sensitive(ctx);
}
}
{
struct aa_data *data = ptr;
- kzfree(data->data);
- kzfree(data->key);
- kzfree(data);
+ kfree_sensitive(data->data);
+ kfree_sensitive(data->key);
+ kfree_sensitive(data);
}
/**
aa_put_profile(rcu_access_pointer(profile->parent));
aa_put_ns(profile->ns);
- kzfree(profile->rename);
+ kfree_sensitive(profile->rename);
aa_free_file_rules(&profile->file);
aa_free_cap_rules(&profile->caps);
aa_free_rlimit_rules(&profile->rlimits);
for (i = 0; i < profile->xattr_count; i++)
- kzfree(profile->xattrs[i]);
- kzfree(profile->xattrs);
+ kfree_sensitive(profile->xattrs[i]);
+ kfree_sensitive(profile->xattrs);
for (i = 0; i < profile->secmark_count; i++)
- kzfree(profile->secmark[i].label);
- kzfree(profile->secmark);
- kzfree(profile->dirname);
+ kfree_sensitive(profile->secmark[i].label);
+ kfree_sensitive(profile->secmark);
+ kfree_sensitive(profile->dirname);
aa_put_dfa(profile->xmatch);
aa_put_dfa(profile->policy.dfa);
rht = profile->data;
profile->data = NULL;
rhashtable_free_and_destroy(rht, aa_free_data, NULL);
- kzfree(rht);
+ kfree_sensitive(rht);
}
- kzfree(profile->hash);
+ kfree_sensitive(profile->hash);
aa_put_loaddata(profile->rawdata);
aa_label_destroy(&profile->label);
- kzfree(profile);
+ kfree_sensitive(profile);
}
/**
return ns;
fail_unconfined:
- kzfree(ns->base.hname);
+ kfree_sensitive(ns->base.hname);
fail_ns:
- kzfree(ns);
+ kfree_sensitive(ns);
return NULL;
}
ns->unconfined->ns = NULL;
aa_free_profile(ns->unconfined);
- kzfree(ns);
+ kfree_sensitive(ns);
}
/**
aa_put_ns(ns);
}
- kzfree(d->hash);
- kzfree(d->name);
+ kfree_sensitive(d->hash);
+ kfree_sensitive(d->name);
kvfree(d->data);
- kzfree(d);
+ kfree_sensitive(d);
}
void aa_loaddata_kref(struct kref *kref)
while (unpack_strdup(e, &key, NULL)) {
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data) {
- kzfree(key);
+ kfree_sensitive(key);
goto fail;
}
data->size = unpack_blob(e, &data->data, NULL);
data->data = kvmemdup(data->data, data->size);
if (data->size && !data->data) {
- kzfree(data->key);
- kzfree(data);
+ kfree_sensitive(data->key);
+ kfree_sensitive(data);
goto fail;
}
aa_put_profile(ent->old);
aa_put_profile(ent->new);
kfree(ent->ns_name);
- kzfree(ent);
+ kfree_sensitive(ent);
}
}
err_fput:
fput(file);
err_enckey:
- kzfree(enckey);
+ kfree_sensitive(enckey);
error:
memzero_explicit(buf, enclen);
kvfree(buf);
path_put(path);
}
- kzfree(prep->payload.data[big_key_data]);
+ kfree_sensitive(prep->payload.data[big_key_data]);
}
/*
path->mnt = NULL;
path->dentry = NULL;
}
- kzfree(key->payload.data[big_key_data]);
+ kfree_sensitive(key->payload.data[big_key_data]);
key->payload.data[big_key_data] = NULL;
}
static void dh_free_data(struct dh *dh)
{
- kzfree(dh->key);
- kzfree(dh->p);
- kzfree(dh->g);
+ kfree_sensitive(dh->key);
+ kfree_sensitive(dh->p);
+ kfree_sensitive(dh->g);
}
struct dh_completion {
if (sdesc->shash.tfm)
crypto_free_shash(sdesc->shash.tfm);
- kzfree(sdesc);
+ kfree_sensitive(sdesc);
}
/*
ret = -EFAULT;
err:
- kzfree(outbuf);
+ kfree_sensitive(outbuf);
return ret;
}
out6:
kpp_request_free(req);
out5:
- kzfree(outbuf);
+ kfree_sensitive(outbuf);
out4:
crypto_free_kpp(tfm);
out3:
- kzfree(secret);
+ kfree_sensitive(secret);
out2:
dh_free_data(&dh_inputs);
out1:
master_keylen);
ret = crypto_shash_tfm_digest(hash_tfm, derived_buf, derived_buf_len,
derived_key);
- kzfree(derived_buf);
+ kfree_sensitive(derived_buf);
return ret;
}
ret = encrypted_init(epayload, key->description, format, master_desc,
decrypted_datalen, hex_encoded_iv);
if (ret < 0) {
- kzfree(epayload);
+ kfree_sensitive(epayload);
goto out;
}
rcu_assign_keypointer(key, epayload);
out:
- kzfree(datablob);
+ kfree_sensitive(datablob);
return ret;
}
struct encrypted_key_payload *epayload;
epayload = container_of(rcu, struct encrypted_key_payload, rcu);
- kzfree(epayload);
+ kfree_sensitive(epayload);
}
/*
rcu_assign_keypointer(key, new_epayload);
call_rcu(&epayload->rcu, encrypted_rcu_free);
out:
- kzfree(buf);
+ kfree_sensitive(buf);
return ret;
}
memzero_explicit(derived_key, sizeof(derived_key));
memcpy(buffer, ascii_buf, asciiblob_len);
- kzfree(ascii_buf);
+ kfree_sensitive(ascii_buf);
return asciiblob_len;
out:
*/
static void encrypted_destroy(struct key *key)
{
- kzfree(key->payload.data[0]);
+ kfree_sensitive(key->payload.data[0]);
}
struct key_type key_type_encrypted = {
}
ret = crypto_shash_digest(&sdesc->shash, data, datalen, digest);
- kzfree(sdesc);
+ kfree_sensitive(sdesc);
return ret;
}
if (!ret)
ret = crypto_shash_final(&sdesc->shash, digest);
out:
- kzfree(sdesc);
+ kfree_sensitive(sdesc);
return ret;
}
paramdigest, TPM_NONCE_SIZE, h1,
TPM_NONCE_SIZE, h2, 1, &c, 0, 0);
out:
- kzfree(sdesc);
+ kfree_sensitive(sdesc);
return ret;
}
EXPORT_SYMBOL_GPL(TSS_authhmac);
if (memcmp(testhmac, authdata, SHA1_DIGEST_SIZE))
ret = -EINVAL;
out:
- kzfree(sdesc);
+ kfree_sensitive(sdesc);
return ret;
}
EXPORT_SYMBOL_GPL(TSS_checkhmac1);
if (memcmp(testhmac2, authdata2, SHA1_DIGEST_SIZE))
ret = -EINVAL;
out:
- kzfree(sdesc);
+ kfree_sensitive(sdesc);
return ret;
}
*bloblen = storedsize;
}
out:
- kzfree(td);
+ kfree_sensitive(td);
return ret;
}
if (!ret && options->pcrlock)
ret = pcrlock(options->pcrlock);
out:
- kzfree(datablob);
- kzfree(options);
+ kfree_sensitive(datablob);
+ kfree_sensitive(options);
if (!ret)
rcu_assign_keypointer(key, payload);
else
- kzfree(payload);
+ kfree_sensitive(payload);
return ret;
}
struct trusted_key_payload *p;
p = container_of(rcu, struct trusted_key_payload, rcu);
- kzfree(p);
+ kfree_sensitive(p);
}
/*
ret = datablob_parse(datablob, new_p, new_o);
if (ret != Opt_update) {
ret = -EINVAL;
- kzfree(new_p);
+ kfree_sensitive(new_p);
goto out;
}
if (!new_o->keyhandle) {
ret = -EINVAL;
- kzfree(new_p);
+ kfree_sensitive(new_p);
goto out;
}
ret = key_seal(new_p, new_o);
if (ret < 0) {
pr_info("trusted_key: key_seal failed (%d)\n", ret);
- kzfree(new_p);
+ kfree_sensitive(new_p);
goto out;
}
if (new_o->pcrlock) {
ret = pcrlock(new_o->pcrlock);
if (ret < 0) {
pr_info("trusted_key: pcrlock failed (%d)\n", ret);
- kzfree(new_p);
+ kfree_sensitive(new_p);
goto out;
}
}
rcu_assign_keypointer(key, new_p);
call_rcu(&p->rcu, trusted_rcu_free);
out:
- kzfree(datablob);
- kzfree(new_o);
+ kfree_sensitive(datablob);
+ kfree_sensitive(new_o);
return ret;
}
*/
static void trusted_destroy(struct key *key)
{
- kzfree(key->payload.data[0]);
+ kfree_sensitive(key->payload.data[0]);
}
struct key_type key_type_trusted = {
*/
void user_free_preparse(struct key_preparsed_payload *prep)
{
- kzfree(prep->payload.data[0]);
+ kfree_sensitive(prep->payload.data[0]);
}
EXPORT_SYMBOL_GPL(user_free_preparse);
struct user_key_payload *payload;
payload = container_of(head, struct user_key_payload, rcu);
- kzfree(payload);
+ kfree_sensitive(payload);
}
/*
{
struct user_key_payload *upayload = key->payload.data[0];
- kzfree(upayload);
+ kfree_sensitive(upayload);
}
EXPORT_SYMBOL_GPL(user_destroy);
projects / linux-2.6-microblaze.git / commitdiff