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Message-Id: <20200413211550.8307-1-longman@redhat.com>
Date: Mon, 13 Apr 2020 17:15:48 -0400
From: Waiman Long <longman@...hat.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
David Howells <dhowells@...hat.com>,
Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
James Morris <jmorris@...ei.org>,
"Serge E. Hallyn" <serge@...lyn.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Joe Perches <joe@...ches.com>,
Matthew Wilcox <willy@...radead.org>,
David Rientjes <rientjes@...gle.com>
Cc: linux-mm@...ck.org, keyrings@...r.kernel.org,
linux-kernel@...r.kernel.org, x86@...nel.org,
linux-crypto@...r.kernel.org, linux-s390@...r.kernel.org,
linux-pm@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org,
virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
intel-wired-lan@...ts.osuosl.org, linux-ppp@...r.kernel.org,
wireguard@...ts.zx2c4.com, linux-wireless@...r.kernel.org,
devel@...verdev.osuosl.org, linux-scsi@...r.kernel.org,
target-devel@...r.kernel.org, linux-btrfs@...r.kernel.org,
linux-cifs@...r.kernel.org, samba-technical@...ts.samba.org,
linux-fscrypt@...r.kernel.org, ecryptfs@...r.kernel.org,
kasan-dev@...glegroups.com, linux-bluetooth@...r.kernel.org,
linux-wpan@...r.kernel.org, linux-sctp@...r.kernel.org,
linux-nfs@...r.kernel.org, tipc-discussion@...ts.sourceforge.net,
cocci@...teme.lip6.fr, linux-security-module@...r.kernel.org,
linux-integrity@...r.kernel.org, Waiman Long <longman@...hat.com>
Subject: [PATCH 0/2] mm, treewide: Rename kzfree() to kfree_sensitive()
This patchset makes a global rename of the kzfree() to kfree_sensitive()
to highlight the fact buffer clearing is only needed if the data objects
contain sensitive information like encrpytion key. The fact that kzfree()
uses memset() to do the clearing isn't totally safe either as compiler
may compile out the clearing in their optimizer. Instead, the new
kfree_sensitive() uses memzero_explicit() which won't get compiled out.
Waiman Long (2):
mm, treewide: Rename kzfree() to kfree_sensitive()
crypto: Remove unnecessary memzero_explicit()
arch/s390/crypto/prng.c | 4 +--
arch/x86/power/hibernate.c | 2 +-
crypto/adiantum.c | 2 +-
crypto/ahash.c | 4 +--
crypto/api.c | 2 +-
crypto/asymmetric_keys/verify_pefile.c | 4 +--
crypto/deflate.c | 2 +-
crypto/drbg.c | 10 +++---
crypto/ecc.c | 8 ++---
crypto/ecdh.c | 2 +-
crypto/gcm.c | 2 +-
crypto/gf128mul.c | 4 +--
crypto/jitterentropy-kcapi.c | 2 +-
crypto/rng.c | 2 +-
crypto/rsa-pkcs1pad.c | 6 ++--
crypto/seqiv.c | 2 +-
crypto/shash.c | 2 +-
crypto/skcipher.c | 2 +-
crypto/testmgr.c | 6 ++--
crypto/zstd.c | 2 +-
.../allwinner/sun8i-ce/sun8i-ce-cipher.c | 17 +++-------
.../allwinner/sun8i-ss/sun8i-ss-cipher.c | 18 +++-------
drivers/crypto/amlogic/amlogic-gxl-cipher.c | 14 +++-----
drivers/crypto/atmel-ecc.c | 2 +-
drivers/crypto/caam/caampkc.c | 28 +++++++--------
drivers/crypto/cavium/cpt/cptvf_main.c | 6 ++--
drivers/crypto/cavium/cpt/cptvf_reqmanager.c | 12 +++----
drivers/crypto/cavium/nitrox/nitrox_lib.c | 4 +--
drivers/crypto/cavium/zip/zip_crypto.c | 6 ++--
drivers/crypto/ccp/ccp-crypto-rsa.c | 6 ++--
drivers/crypto/ccree/cc_aead.c | 4 +--
drivers/crypto/ccree/cc_buffer_mgr.c | 4 +--
drivers/crypto/ccree/cc_cipher.c | 6 ++--
drivers/crypto/ccree/cc_hash.c | 8 ++---
drivers/crypto/ccree/cc_request_mgr.c | 2 +-
drivers/crypto/inside-secure/safexcel_hash.c | 3 +-
drivers/crypto/marvell/cesa/hash.c | 2 +-
.../crypto/marvell/octeontx/otx_cptvf_main.c | 6 ++--
.../marvell/octeontx/otx_cptvf_reqmgr.h | 2 +-
drivers/crypto/mediatek/mtk-aes.c | 2 +-
drivers/crypto/nx/nx.c | 4 +--
drivers/crypto/virtio/virtio_crypto_algs.c | 12 +++----
drivers/crypto/virtio/virtio_crypto_core.c | 2 +-
drivers/md/dm-crypt.c | 34 +++++++++----------
drivers/md/dm-integrity.c | 6 ++--
drivers/misc/ibmvmc.c | 6 ++--
.../hisilicon/hns3/hns3pf/hclge_mbx.c | 2 +-
.../net/ethernet/intel/ixgbe/ixgbe_ipsec.c | 6 ++--
drivers/net/ppp/ppp_mppe.c | 6 ++--
drivers/net/wireguard/noise.c | 4 +--
drivers/net/wireguard/peer.c | 2 +-
drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 2 +-
.../net/wireless/intel/iwlwifi/pcie/tx-gen2.c | 6 ++--
drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 6 ++--
drivers/net/wireless/intersil/orinoco/wext.c | 4 +--
drivers/s390/crypto/ap_bus.h | 4 +--
drivers/staging/ks7010/ks_hostif.c | 2 +-
drivers/staging/rtl8723bs/core/rtw_security.c | 2 +-
drivers/staging/wlan-ng/p80211netdev.c | 2 +-
drivers/target/iscsi/iscsi_target_auth.c | 2 +-
fs/btrfs/ioctl.c | 2 +-
fs/cifs/cifsencrypt.c | 2 +-
fs/cifs/connect.c | 10 +++---
fs/cifs/dfs_cache.c | 2 +-
fs/cifs/misc.c | 8 ++---
fs/crypto/keyring.c | 6 ++--
fs/crypto/keysetup_v1.c | 4 +--
fs/ecryptfs/keystore.c | 4 +--
fs/ecryptfs/messaging.c | 2 +-
include/crypto/aead.h | 2 +-
include/crypto/akcipher.h | 2 +-
include/crypto/gf128mul.h | 2 +-
include/crypto/hash.h | 2 +-
include/crypto/internal/acompress.h | 2 +-
include/crypto/kpp.h | 2 +-
include/crypto/skcipher.h | 2 +-
include/linux/slab.h | 2 +-
lib/mpi/mpiutil.c | 6 ++--
lib/test_kasan.c | 6 ++--
mm/slab_common.c | 10 +++---
net/atm/mpoa_caches.c | 4 +--
net/bluetooth/ecdh_helper.c | 6 ++--
net/bluetooth/smp.c | 24 ++++++-------
net/core/sock.c | 2 +-
net/ipv4/tcp_fastopen.c | 2 +-
net/mac80211/aead_api.c | 4 +--
net/mac80211/aes_gmac.c | 2 +-
net/mac80211/key.c | 2 +-
net/mac802154/llsec.c | 20 +++++------
net/sctp/auth.c | 2 +-
net/sctp/socket.c | 2 +-
net/sunrpc/auth_gss/gss_krb5_crypto.c | 4 +--
net/sunrpc/auth_gss/gss_krb5_keys.c | 6 ++--
net/sunrpc/auth_gss/gss_krb5_mech.c | 2 +-
net/tipc/crypto.c | 10 +++---
net/wireless/core.c | 2 +-
net/wireless/ibss.c | 4 +--
net/wireless/lib80211_crypt_tkip.c | 2 +-
net/wireless/lib80211_crypt_wep.c | 2 +-
net/wireless/nl80211.c | 24 ++++++-------
net/wireless/sme.c | 6 ++--
net/wireless/util.c | 2 +-
net/wireless/wext-sme.c | 2 +-
scripts/coccinelle/free/devm_free.cocci | 4 +--
scripts/coccinelle/free/ifnullfree.cocci | 4 +--
scripts/coccinelle/free/kfree.cocci | 6 ++--
scripts/coccinelle/free/kfreeaddr.cocci | 2 +-
security/apparmor/domain.c | 4 +--
security/apparmor/include/file.h | 2 +-
security/apparmor/policy.c | 24 ++++++-------
security/apparmor/policy_ns.c | 6 ++--
security/apparmor/policy_unpack.c | 14 ++++----
security/keys/big_key.c | 6 ++--
security/keys/dh.c | 14 ++++----
security/keys/encrypted-keys/encrypted.c | 14 ++++----
security/keys/trusted-keys/trusted_tpm1.c | 34 +++++++++----------
security/keys/user_defined.c | 6 ++--
117 files changed, 332 insertions(+), 358 deletions(-)
--
2.18.1
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