kernel_optimize_test/security
Ondrej Mosnacek b230d5aba2 LSM: add new hook for kernfs node initialization
This patch introduces a new security hook that is intended for
initializing the security data for newly created kernfs nodes, which
provide a way of storing a non-default security context, but need to
operate independently from mounts (and therefore may not have an
associated inode at the moment of creation).

The main motivation is to allow kernfs nodes to inherit the context of
the parent under SELinux, similar to the behavior of
security_inode_init_security(). Other LSMs may implement their own logic
for handling the creation of new nodes.

This patch also adds helper functions to <linux/kernfs.h> for
getting/setting security xattrs of a kernfs node so that LSMs hooks are
able to do their job. Other important attributes should be accessible
direcly in the kernfs_node fields (in case there is need for more, then
new helpers should be added to kernfs.h along with the patch that needs
them).

Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
[PM: more manual merge fixes]
Signed-off-by: Paul Moore <paul@paul-moore.com>
2019-03-20 22:01:02 -04:00
..
apparmor + Bug Fixes 2019-03-13 11:07:36 -07:00
integrity Merge branch 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-03-10 17:37:29 -07:00
keys Merge branch 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-03-10 17:37:29 -07:00
loadpin LoadPin: Initialize as ordered LSM 2019-01-08 13:18:43 -08:00
safesetid LSM: fix return value check in safesetid_init_securityfs() 2019-02-12 10:59:22 -08:00
selinux selinux: try security xattr after genfs for kernfs filesystems 2019-03-20 21:53:04 -04:00
smack Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-03-12 14:08:19 -07:00
tomoyo tomoyo: Bump version. 2019-02-19 14:17:25 -08:00
yama Linux 5.0-rc3 2019-01-22 14:33:10 -08:00
commoncap.c audit/stable-5.1 PR 20190305 2019-03-07 12:20:11 -08:00
device_cgroup.c
inode.c security: fs: make inode explicitly non-modular 2018-12-12 14:58:51 -08:00
Kconfig LSM: Update list of SECURITYFS users in Kconfig 2019-03-01 09:52:54 -08:00
lsm_audit.c missing barriers in some of unix_sock ->addr and ->path accesses 2019-02-20 20:06:28 -08:00
Makefile LSM: add SafeSetID module that gates setid calls 2019-01-25 11:22:45 -08:00
min_addr.c
security.c LSM: add new hook for kernfs node initialization 2019-03-20 22:01:02 -04:00