[GIT PULL] security subsystem: Integrity updates for v4.19

[James Morris]

>From Mimi Zohar:

"This pull request adds support for EVM signatures based on larger
digests, contains a new audit record AUDIT_INTEGRITY_POLICY_RULE to
differentiate the IMA policy rules from the IMA-audit messages,
addresses two deadlocks due to either loading or searching for crypto
algorithms, and cleans up the audit messages."


The following changes since commit 87ea58433208d17295e200d56be5e2a4fe4ce7d6:

  security: check for kstrdup() failure in lsm_append() (2018-07-17 21:27:06 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git next-integrity

for you to fetch changes up to 3dd0f18c70d94ca2432c78c5735744429f071b0b:

  EVM: fix return value check in evm_write_xattrs() (2018-07-22 14:49:11 -0400)

----------------------------------------------------------------
Matthew Garrett (2):
      evm: Don't deadlock if a crypto algorithm is unavailable
      evm: Allow non-SHA1 digital signatures

Mikhail Kurinnoi (1):
      integrity: prevent deadlock during digsig verification.

Stefan Berger (4):
      ima: Call audit_log_string() rather than logging it untrusted
      ima: Use audit_log_format() rather than audit_log_string()
      ima: Do not audit if CONFIG_INTEGRITY_AUDIT is not set
      ima: Differentiate auditing policy rules from "audit" actions

Sudeep Holla (1):
      integrity: silence warning when CONFIG_SECURITYFS is not enabled

Wei Yongjun (1):
      EVM: fix return value check in evm_write_xattrs()

 crypto/api.c                           |  2 +-
 include/linux/crypto.h                 |  5 ++++
 include/linux/integrity.h              | 13 +++++++++
 include/uapi/linux/audit.h             |  1 +
 security/integrity/digsig_asymmetric.c | 23 ++++++++++++++++
 security/integrity/evm/Kconfig         |  1 +
 security/integrity/evm/evm.h           | 10 +++++--
 security/integrity/evm/evm_crypto.c    | 50 ++++++++++++++++++----------------
 security/integrity/evm/evm_main.c      | 19 ++++++++-----
 security/integrity/evm/evm_secfs.c     |  4 +--
 security/integrity/iint.c              |  9 ++++--
 security/integrity/ima/Kconfig         |  1 +
 security/integrity/ima/ima_policy.c    |  9 ++++--
 security/integrity/integrity.h         | 15 ++++++++++
 security/integrity/integrity_audit.c   |  6 +---
 security/security.c                    |  7 ++++-
 16 files changed, 128 insertions(+), 47 deletions(-)