David Howells 7268328219 keys: Fix dependency loop between construction record and auth key ... [ Upstream commit 822ad64d7e ] In the request_key() upcall mechanism there's a dependency loop by which if a key type driver overrides the ->request_key hook and the userspace side manages to lose the authorisation key, the auth key and the internal construction record (struct key_construction) can keep each other pinned. Fix this by the following changes: (1) Killing off the construction record and using the auth key instead. (2) Including the operation name in the auth key payload and making the payload available outside of security/keys/. (3) The ->request_key hook is given the authkey instead of the cons record and operation name. Changes (2) and (3) allow the auth key to naturally be cleaned up if the keyring it is in is destroyed or cleared or the auth key is unlinked. Fixes: 7ee02a316600 ("keys: Fix dependency loop between construction record and auth key") Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: James Morris <james.morris@microsoft.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2019-03-23 20:09:48 +01:00
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apparmor	apparmor: Fix aa_label_build() error handling for failed merges	2019-03-13 14:02:32 -07:00
integrity	ima: open a new file instance if no read permissions	2018-11-13 11:08:46 -08:00
keys	keys: Fix dependency loop between construction record and auth key	2019-03-23 20:09:48 +01:00
loadpin	module: replace the existing LSM hook in init_module	2018-07-16 12:31:57 -07:00
selinux	selinux: always allow mounting submounts	2019-01-26 09:32:36 +01:00
smack	smack: fix access permissions for keyring	2019-02-12 19:47:05 +01:00
tomoyo	Kbuild updates for v4.19	2018-08-15 12:09:03 -07:00
yama	Yama: Check for pid death before checking ancestry	2019-01-22 21:40:32 +01:00
commoncap.c	cap_inode_getsecurity: use d_find_any_alias() instead of d_find_alias()	2018-08-11 02:05:53 -05:00
device_cgroup.c	docs: fix broken references with multiple hints	2018-06-15 18:10:01 -03:00
inode.c	securityfs: add the ability to support symlinks	2017-06-08 12:51:43 -07:00
Kconfig	Revert "x86/mm/legacy: Populate the user page-table with user pgd's"	2018-09-14 17:08:45 +02:00
lsm_audit.c	missing barriers in some of unix_sock ->addr and ->path accesses	2019-03-19 13:12:41 +01:00
Makefile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
min_addr.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
security.c	LSM: Check for NULL cred-security on free	2019-01-22 21:40:35 +01:00