diff options
Diffstat (limited to 'drivers')
43 files changed, 114 insertions, 118 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index 5b02f69769e8..508b80f6329b 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -368,8 +368,8 @@ static ssize_t node_read_meminfo(struct device *dev, unsigned long sreclaimable, sunreclaimable; si_meminfo_node(&i, nid); - sreclaimable = node_page_state(pgdat, NR_SLAB_RECLAIMABLE); - sunreclaimable = node_page_state(pgdat, NR_SLAB_UNRECLAIMABLE); + sreclaimable = node_page_state_pages(pgdat, NR_SLAB_RECLAIMABLE_B); + sunreclaimable = node_page_state_pages(pgdat, NR_SLAB_UNRECLAIMABLE_B); n = sprintf(buf, "Node %d MemTotal: %8lu kB\n" "Node %d MemFree: %8lu kB\n" @@ -440,9 +440,9 @@ static ssize_t node_read_meminfo(struct device *dev, nid, K(node_page_state(pgdat, NR_FILE_MAPPED)), nid, K(node_page_state(pgdat, NR_ANON_MAPPED)), nid, K(i.sharedram), - nid, sum_zone_node_page_state(nid, NR_KERNEL_STACK_KB), + nid, node_page_state(pgdat, NR_KERNEL_STACK_KB), #ifdef CONFIG_SHADOW_CALL_STACK - nid, sum_zone_node_page_state(nid, NR_KERNEL_SCS_KB), + nid, node_page_state(pgdat, NR_KERNEL_SCS_KB), #endif nid, K(sum_zone_node_page_state(nid, NR_PAGETABLE)), nid, 0UL, @@ -513,7 +513,7 @@ static ssize_t node_read_vmstat(struct device *dev, for (i = 0; i < NR_VM_NODE_STAT_ITEMS; i++) n += sprintf(buf+n, "%s %lu\n", node_stat_name(i), - node_page_state(pgdat, i)); + node_page_state_pages(pgdat, i)); return n; } diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index a3eeccf3ac5f..c6ea5d38c509 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -36,7 +36,6 @@ #include <linux/io.h> #include <linux/rbtree.h> #include <asm/setup.h> -#include <asm/pgalloc.h> #include <asm/hypervisor.h> #include <xen/grant_table.h> #include <xen/page.h> diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c index 1e4f9a58bb24..b4d5fea27d20 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c @@ -254,7 +254,7 @@ theend_iv: 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); diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c index 7a131675a41c..7b39b4495571 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c @@ -249,7 +249,7 @@ theend_iv: 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); diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c index 5880b94dcb32..d93210726697 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c +++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c @@ -252,8 +252,8 @@ static int meson_cipher(struct skcipher_request *areq) } } theend: - kzfree(bkeyiv); - kzfree(backup_iv); + kfree_sensitive(bkeyiv); + kfree_sensitive(backup_iv); return err; } diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c index ff02cc05affb..9bd8e5167be3 100644 --- a/drivers/crypto/atmel-ecc.c +++ b/drivers/crypto/atmel-ecc.c @@ -69,7 +69,7 @@ static void atmel_ecdh_done(struct atmel_i2c_work_data *work_data, void *areq, /* fall through */ free_work_data: - kzfree(work_data); + kfree_sensitive(work_data); kpp_request_complete(req, status); } diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c index 2e44d685618f..dd5f101e43f8 100644 --- a/drivers/crypto/caam/caampkc.c +++ b/drivers/crypto/caam/caampkc.c @@ -854,14 +854,14 @@ static int caam_rsa_dec(struct akcipher_request *req) 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)); @@ -1018,17 +1018,17 @@ static void caam_rsa_set_priv_key_form(struct caam_rsa_ctx *ctx, 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, diff --git a/drivers/crypto/cavium/cpt/cptvf_main.c b/drivers/crypto/cavium/cpt/cptvf_main.c index 0f72e9abdefe..a15245992cf9 100644 --- a/drivers/crypto/cavium/cpt/cptvf_main.c +++ b/drivers/crypto/cavium/cpt/cptvf_main.c @@ -74,7 +74,7 @@ static void cleanup_worker_threads(struct cpt_vf *cptvf) 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; } @@ -88,7 +88,7 @@ static void free_pending_queues(struct pending_qinfo *pqinfo) continue; /* free single queue */ - kzfree((queue->head)); + kfree_sensitive((queue->head)); queue->front = 0; queue->rear = 0; @@ -189,7 +189,7 @@ static void free_command_queues(struct cpt_vf *cptvf, chunk->head = NULL; chunk->dma_addr = 0; hlist_del(&chunk->nextchunk); - kzfree(chunk); + kfree_sensitive(chunk); } queue->nchunks = 0; diff --git a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c index 3878b01e19e1..dc5fda522719 100644 --- a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c +++ b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c @@ -305,12 +305,12 @@ static void do_request_cleanup(struct cpt_vf *cptvf, } } - 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) diff --git a/drivers/crypto/cavium/nitrox/nitrox_lib.c b/drivers/crypto/cavium/nitrox/nitrox_lib.c index 5cbc64b851b9..a5cdc2b48bd6 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_lib.c +++ b/drivers/crypto/cavium/nitrox/nitrox_lib.c @@ -90,7 +90,7 @@ static void nitrox_free_aqm_queues(struct nitrox_device *ndev) 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; } } @@ -122,7 +122,7 @@ static int nitrox_alloc_aqm_queues(struct nitrox_device *ndev) err = nitrox_cmdq_init(cmdq, AQM_Q_ALIGN_BYTES); if (err) { - kzfree(cmdq); + kfree_sensitive(cmdq); goto aqmq_fail; } ndev->aqmq[i] = cmdq; diff --git a/drivers/crypto/cavium/zip/zip_crypto.c b/drivers/crypto/cavium/zip/zip_crypto.c index 4985bc812b0e..7df71fcebe8f 100644 --- a/drivers/crypto/cavium/zip/zip_crypto.c +++ b/drivers/crypto/cavium/zip/zip_crypto.c @@ -260,7 +260,7 @@ void *zip_alloc_scomp_ctx_deflate(struct crypto_scomp *tfm) ret = zip_ctx_init(zip_ctx, 0); if (ret) { - kzfree(zip_ctx); + kfree_sensitive(zip_ctx); return ERR_PTR(ret); } @@ -279,7 +279,7 @@ void *zip_alloc_scomp_ctx_lzs(struct crypto_scomp *tfm) ret = zip_ctx_init(zip_ctx, 1); if (ret) { - kzfree(zip_ctx); + kfree_sensitive(zip_ctx); return ERR_PTR(ret); } @@ -291,7 +291,7 @@ void zip_free_scomp_ctx(struct crypto_scomp *tfm, void *ctx) 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, diff --git a/drivers/crypto/ccp/ccp-crypto-rsa.c b/drivers/crypto/ccp/ccp-crypto-rsa.c index 649c91d60401..1223ac70aea2 100644 --- a/drivers/crypto/ccp/ccp-crypto-rsa.c +++ b/drivers/crypto/ccp/ccp-crypto-rsa.c @@ -112,13 +112,13 @@ static int ccp_check_key_length(unsigned int len) 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; } diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c index 1cf51edbc4b9..35794c7271fb 100644 --- a/drivers/crypto/ccree/cc_aead.c +++ b/drivers/crypto/ccree/cc_aead.c @@ -448,7 +448,7 @@ static int cc_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *authkey, 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) { @@ -533,7 +533,7 @@ static int cc_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *authkey, if (key_dma_addr) dma_unmap_single(dev, key_dma_addr, keylen, DMA_TO_DEVICE); - kzfree(key); + kfree_sensitive(key); return rc; } diff --git a/drivers/crypto/ccree/cc_buffer_mgr.c b/drivers/crypto/ccree/cc_buffer_mgr.c index b2bd093e7013..a5e041d9d2cf 100644 --- a/drivers/crypto/ccree/cc_buffer_mgr.c +++ b/drivers/crypto/ccree/cc_buffer_mgr.c @@ -488,7 +488,7 @@ void cc_unmap_aead_request(struct device *dev, struct aead_request *req) 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 */ @@ -559,7 +559,7 @@ static int cc_aead_chain_iv(struct cc_drvdata *drvdata, 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; diff --git a/drivers/crypto/ccree/cc_cipher.c b/drivers/crypto/ccree/cc_cipher.c index 076669dc1035..d77ae981b64b 100644 --- a/drivers/crypto/ccree/cc_cipher.c +++ b/drivers/crypto/ccree/cc_cipher.c @@ -257,7 +257,7 @@ static void cc_cipher_exit(struct crypto_tfm *tfm) &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); } @@ -881,7 +881,7 @@ static void cc_cipher_complete(struct device *dev, void *cc_req, int err) /* 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); @@ -994,7 +994,7 @@ static int cc_cipher_process(struct skcipher_request *req, exit_process: if (rc != -EINPROGRESS && rc != -EBUSY) { - kzfree(req_ctx->iv); + kfree_sensitive(req_ctx->iv); } return rc; diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c index d5310783af15..683c9a430e11 100644 --- a/drivers/crypto/ccree/cc_hash.c +++ b/drivers/crypto/ccree/cc_hash.c @@ -764,7 +764,7 @@ static int cc_hash_setkey(struct crypto_ahash *ahash, const u8 *key, 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", @@ -913,7 +913,7 @@ out: &ctx->key_params.key_dma_addr, ctx->key_params.keylen); } - kzfree(ctx->key_params.key); + kfree_sensitive(ctx->key_params.key); return rc; } @@ -950,7 +950,7 @@ static int cc_xcbc_setkey(struct crypto_ahash *ahash, 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", @@ -999,7 +999,7 @@ static int cc_xcbc_setkey(struct crypto_ahash *ahash, 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; } diff --git a/drivers/crypto/ccree/cc_request_mgr.c b/drivers/crypto/ccree/cc_request_mgr.c index 1d7649ecf44e..33fb27745d52 100644 --- a/drivers/crypto/ccree/cc_request_mgr.c +++ b/drivers/crypto/ccree/cc_request_mgr.c @@ -107,7 +107,7 @@ void cc_req_mgr_fini(struct cc_drvdata *drvdata) /* Kill tasklet */ tasklet_kill(&req_mgr_h->comptask); #endif - kzfree(req_mgr_h); + kfree_sensitive(req_mgr_h); drvdata->request_mgr_handle = NULL; } diff --git a/drivers/crypto/marvell/cesa/hash.c b/drivers/crypto/marvell/cesa/hash.c index bd0bd9ffd6e9..f2a2fc111164 100644 --- a/drivers/crypto/marvell/cesa/hash.c +++ b/drivers/crypto/marvell/cesa/hash.c @@ -1157,7 +1157,7 @@ static int mv_cesa_ahmac_pad_init(struct ahash_request *req, } /* Set the memory region to 0 to avoid any leak. */ - kzfree(keydup); + kfree_sensitive(keydup); if (ret) return ret; diff --git a/drivers/crypto/marvell/octeontx/otx_cptvf_main.c b/drivers/crypto/marvell/octeontx/otx_cptvf_main.c index ce3168327a39..228fe8e47e0e 100644 --- a/drivers/crypto/marvell/octeontx/otx_cptvf_main.c +++ b/drivers/crypto/marvell/octeontx/otx_cptvf_main.c @@ -68,7 +68,7 @@ static void cleanup_worker_threads(struct otx_cptvf *cptvf) 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; } @@ -82,7 +82,7 @@ static void free_pending_queues(struct otx_cpt_pending_qinfo *pqinfo) continue; /* free single queue */ - kzfree((queue->head)); + kfree_sensitive((queue->head)); queue->front = 0; queue->rear = 0; queue->qlen = 0; @@ -176,7 +176,7 @@ static void free_command_queues(struct otx_cptvf *cptvf, chunk->head = NULL; chunk->dma_addr = 0; list_del(&chunk->nextchunk); - kzfree(chunk); + kfree_sensitive(chunk); } queue->num_chunks = 0; queue->idx = 0; diff --git a/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.h b/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.h index d912fe0c532d..a02d059fb652 100644 --- a/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.h +++ b/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.h @@ -215,7 +215,7 @@ static inline void do_request_cleanup(struct pci_dev *pdev, DMA_BIDIRECTIONAL); } } - kzfree(info); + kfree_sensitive(info); } struct otx_cptvf_wqe; diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c index f03c238f5a31..40882d6d52c1 100644 --- a/drivers/crypto/nx/nx.c +++ b/drivers/crypto/nx/nx.c @@ -746,7 +746,7 @@ void nx_crypto_ctx_exit(struct crypto_tfm *tfm) { 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; @@ -762,7 +762,7 @@ void nx_crypto_ctx_aead_exit(struct crypto_aead *tfm) { 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) diff --git a/drivers/crypto/virtio/virtio_crypto_algs.c b/drivers/crypto/virtio/virtio_crypto_algs.c index b2601958282e..583c0b535d13 100644 --- a/drivers/crypto/virtio/virtio_crypto_algs.c +++ b/drivers/crypto/virtio/virtio_crypto_algs.c @@ -167,7 +167,7 @@ static int virtio_crypto_alg_skcipher_init_session( 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); @@ -184,7 +184,7 @@ static int virtio_crypto_alg_skcipher_init_session( 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; } @@ -197,7 +197,7 @@ static int virtio_crypto_alg_skcipher_init_session( spin_unlock(&vcrypto->ctrl_lock); - kzfree(cipher_key); + kfree_sensitive(cipher_key); return 0; } @@ -472,9 +472,9 @@ __virtio_crypto_skcipher_do_req(struct virtio_crypto_sym_request *vc_sym_req, return 0; free_iv: - kzfree(iv); + kfree_sensitive(iv); free: - kzfree(req_data); + kfree_sensitive(req_data); kfree(sgs); return err; } @@ -583,7 +583,7 @@ static void virtio_crypto_skcipher_finalize_req( 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, diff --git a/drivers/crypto/virtio/virtio_crypto_core.c b/drivers/crypto/virtio/virtio_crypto_core.c index 77e744eaedd0..0c66d6193ca2 100644 --- a/drivers/crypto/virtio/virtio_crypto_core.c +++ b/drivers/crypto/virtio/virtio_crypto_core.c @@ -17,7 +17,7 @@ void 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); } } diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 4c2972f3153b..6de86e73dfc3 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -28,7 +28,6 @@ #if defined(CONFIG_ARM) && !defined(CONFIG_IOMMU_DMA) #include <asm/dma-iommu.h> -#include <asm/pgalloc.h> #else #define arm_iommu_create_mapping(...) NULL #define arm_iommu_attach_device(...) -ENODEV diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index b437a14c4942..37dcc52cf21d 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -407,7 +407,7 @@ static void crypt_iv_lmk_dtr(struct crypt_config *cc) crypto_free_shash(lmk->hash_tfm); lmk->hash_tfm = NULL; - kzfree(lmk->seed); + kfree_sensitive(lmk->seed); lmk->seed = NULL; } @@ -558,9 +558,9 @@ static void crypt_iv_tcw_dtr(struct crypt_config *cc) { 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)) @@ -994,8 +994,8 @@ static int crypt_iv_elephant(struct crypt_config *cc, struct dm_crypt_request *d kunmap_atomic(data); out: - kzfree(ks); - kzfree(es); + kfree_sensitive(ks); + kfree_sensitive(es); skcipher_request_free(req); return r; } @@ -2294,7 +2294,7 @@ static int crypt_set_keyring_key(struct crypt_config *cc, const char *key_string 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); } @@ -2304,7 +2304,7 @@ static int crypt_set_keyring_key(struct crypt_config *cc, const char *key_string if (ret < 0) { up_read(&key->sem); key_put(key); - kzfree(new_key_string); + kfree_sensitive(new_key_string); return ret; } @@ -2318,10 +2318,10 @@ static int crypt_set_keyring_key(struct crypt_config *cc, const char *key_string 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; } @@ -2382,7 +2382,7 @@ static int crypt_set_key(struct crypt_config *cc, char *key) 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. */ @@ -2414,7 +2414,7 @@ static int crypt_wipe_key(struct crypt_config *cc) 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)); @@ -2493,15 +2493,15 @@ static void crypt_dtr(struct dm_target *ti) 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); diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 5da3eb661e50..8c8d940e532e 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -3405,8 +3405,8 @@ static struct scatterlist **dm_integrity_alloc_journal_scatterlist(struct dm_int 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); } @@ -4337,7 +4337,7 @@ static void dm_integrity_dtr(struct dm_target *ti) 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); } } diff --git a/drivers/misc/ibmvmc.c b/drivers/misc/ibmvmc.c index c0d139c26505..2d778d0f011e 100644 --- a/drivers/misc/ibmvmc.c +++ b/drivers/misc/ibmvmc.c @@ -286,7 +286,7 @@ static void *alloc_dma_buffer(struct vio_dev *vdev, size_t size, if (dma_mapping_error(&vdev->dev, *dma_handle)) { *dma_handle = 0; - kzfree(buffer); + kfree_sensitive(buffer); return NULL; } @@ -310,7 +310,7 @@ static void free_dma_buffer(struct vio_dev *vdev, size_t size, void *vaddr, dma_unmap_single(&vdev->dev, dma_handle, size, DMA_BIDIRECTIONAL); /* deallocate memory */ - kzfree(vaddr); + kfree_sensitive(vaddr); } /** @@ -883,7 +883,7 @@ static int ibmvmc_close(struct inode *inode, struct file *file) spin_unlock_irqrestore(&hmc->lock, flags); } - kzfree(session); + kfree_sensitive(session); return rc; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index 0874ae47cb03..3ab6db2588d3 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -137,7 +137,7 @@ static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head) while (chain) { chain_tmp = chain->next; - kzfree(chain); + kfree_sensitive(chain); chain = chain_tmp; } } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c index 6516980965a2..eca73526ac86 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c @@ -960,9 +960,9 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) 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; @@ -1047,7 +1047,7 @@ int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) ixgbe_ipsec_del_sa(xs); /* remove the xs that was made-up in the add request */ - kzfree(xs); + kfree_sensitive(xs); return 0; } diff --git a/drivers/net/ppp/ppp_mppe.c b/drivers/net/ppp/ppp_mppe.c index de3b57d09d0c..208f6e24f37c 100644 --- a/drivers/net/ppp/ppp_mppe.c +++ b/drivers/net/ppp/ppp_mppe.c @@ -222,7 +222,7 @@ out_free: kfree(state->sha1_digest); if (state->sha1) { crypto_free_shash(state->sha1->tfm); - kzfree(state->sha1); + kfree_sensitive(state->sha1); } kfree(state); out: @@ -238,8 +238,8 @@ static void mppe_free(void *arg) if (state) { kfree(state->sha1_digest); crypto_free_shash(state->sha1->tfm); - kzfree(state->sha1); - kzfree(state); + kfree_sensitive(state->sha1); + kfree_sensitive(state); } } diff --git a/drivers/net/wireguard/noise.c b/drivers/net/wireguard/noise.c index 201a22681945..3dd3b76790d0 100644 --- a/drivers/net/wireguard/noise.c +++ b/drivers/net/wireguard/noise.c @@ -114,7 +114,7 @@ static struct noise_keypair *keypair_create(struct wg_peer *peer) 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) @@ -821,7 +821,7 @@ bool wg_noise_handshake_begin_session(struct noise_handshake *handshake, handshake->entry.peer->device->index_hashtable, &handshake->entry, &new_keypair->entry); } else { - kzfree(new_keypair); + kfree_sensitive(new_keypair); } rcu_read_unlock_bh(); diff --git a/drivers/net/wireguard/peer.c b/drivers/net/wireguard/peer.c index 1d634bd3038f..b3b6370e6b95 100644 --- a/drivers/net/wireguard/peer.c +++ b/drivers/net/wireguard/peer.c @@ -203,7 +203,7 @@ static void rcu_release(struct rcu_head *rcu) /* 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) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index 24cb1b1f21f0..9463c108aa96 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -1369,7 +1369,7 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, &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; } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c index 7fc7542535d8..606bef2ecc7b 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c @@ -1026,7 +1026,7 @@ static int iwl_pcie_gen2_enqueue_hcmd(struct iwl_trans *trans, 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); @@ -1257,8 +1257,8 @@ static void iwl_pcie_gen2_txq_free(struct iwl_trans *trans, int txq_id) /* 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); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 5c6c3fa0d29f..eb396c06b7fb 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -721,8 +721,8 @@ static void iwl_pcie_txq_free(struct iwl_trans *trans, int txq_id) /* 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 */ @@ -1765,7 +1765,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, 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); diff --git a/drivers/net/wireless/intersil/orinoco/wext.c b/drivers/net/wireless/intersil/orinoco/wext.c index 1d4dae422106..7b6c4ae8ddb3 100644 --- a/drivers/net/wireless/intersil/orinoco/wext.c +++ b/drivers/net/wireless/intersil/orinoco/wext.c @@ -31,8 +31,8 @@ static int orinoco_set_key(struct orinoco_private *priv, int index, 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); diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h index 1a1d5e3c8d45..1ea046324e8f 100644 --- a/drivers/s390/crypto/ap_bus.h +++ b/drivers/s390/crypto/ap_bus.h @@ -219,8 +219,8 @@ static inline void ap_init_message(struct ap_message *ap_msg) */ 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); } /* diff --git a/drivers/staging/ks7010/ks_hostif.c b/drivers/staging/ks7010/ks_hostif.c index b10a92ae2067..eaaf6a5440a9 100644 --- a/drivers/staging/ks7010/ks_hostif.c +++ b/drivers/staging/ks7010/ks_hostif.c @@ -245,7 +245,7 @@ michael_mic(u8 *key, u8 *data, unsigned int len, u8 priority, u8 *result) 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); diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c index 0f15c96183a0..7f74e1d05b3a 100644 --- a/drivers/staging/rtl8723bs/core/rtw_security.c +++ b/drivers/staging/rtl8723bs/core/rtw_security.c @@ -2251,7 +2251,7 @@ static void gf_mulx(u8 *pad) static void aes_encrypt_deinit(void *ctx) { - kzfree(ctx); + kfree_sensitive(ctx); } diff --git a/drivers/staging/wlan-ng/p80211netdev.c b/drivers/staging/wlan-ng/p80211netdev.c index b809c0015c0c..7b091c5a2984 100644 --- a/drivers/staging/wlan-ng/p80211netdev.c +++ b/drivers/staging/wlan-ng/p80211netdev.c @@ -429,7 +429,7 @@ static netdev_tx_t p80211knetdev_hard_start_xmit(struct sk_buff *skb, 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) diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c index 0e54627d9aa8..62d912b79c61 100644 --- a/drivers/target/iscsi/iscsi_target_auth.c +++ b/drivers/target/iscsi/iscsi_target_auth.c @@ -484,7 +484,7 @@ static int chap_server_compute_hash( 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); diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index b1d8b028bf80..37ffccda8bb8 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -58,7 +58,6 @@ #include <linux/sysctl.h> #include <asm/page.h> -#include <asm/pgalloc.h> #include <asm/tlb.h> #include <asm/xen/hypervisor.h> diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 095d683ad574..63abe6c3642b 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -25,7 +25,6 @@ #include <linux/miscdevice.h> #include <linux/moduleparam.h> -#include <asm/pgalloc.h> #include <asm/xen/hypervisor.h> #include <asm/xen/hypercall.h> |