linux/security/selinux
Nikolay Aleksandrov 52a4c6404f selinux: add gfp argument to security_xfrm_policy_alloc and fix callers
security_xfrm_policy_alloc can be called in atomic context so the
allocation should be done with GFP_ATOMIC. Add an argument to let the
callers choose the appropriate way. In order to do so a gfp argument
needs to be added to the method xfrm_policy_alloc_security in struct
security_operations and to the internal function
selinux_xfrm_alloc_user. After that switch to GFP_ATOMIC in the atomic
callers and leave GFP_KERNEL as before for the rest.
The path that needed the gfp argument addition is:
security_xfrm_policy_alloc -> security_ops.xfrm_policy_alloc_security ->
all users of xfrm_policy_alloc_security (e.g. selinux_xfrm_policy_alloc) ->
selinux_xfrm_alloc_user (here the allocation used to be GFP_KERNEL only)

Now adding a gfp argument to selinux_xfrm_alloc_user requires us to also
add it to security_context_to_sid which is used inside and prior to this
patch did only GFP_KERNEL allocation. So add gfp argument to
security_context_to_sid and adjust all of its callers as well.

CC: Paul Moore <paul@paul-moore.com>
CC: Dave Jones <davej@redhat.com>
CC: Steffen Klassert <steffen.klassert@secunet.com>
CC: Fan Du <fan.du@windriver.com>
CC: David S. Miller <davem@davemloft.net>
CC: LSM list <linux-security-module@vger.kernel.org>
CC: SELinux list <selinux@tycho.nsa.gov>

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2014-03-10 08:30:02 +01:00
..
include selinux: add gfp argument to security_xfrm_policy_alloc and fix callers 2014-03-10 08:30:02 +01:00
ss selinux: add gfp argument to security_xfrm_policy_alloc and fix callers 2014-03-10 08:30:02 +01:00
.gitignore SELinux: add .gitignore files for dynamic classes 2009-10-24 09:42:27 +08:00
avc.c selinux: remove 'flags' parameter from avc_audit() 2013-10-04 14:13:25 -07:00
exports.c selinux: sparse fix: include selinux.h in exports.c 2011-09-09 16:56:32 -07:00
hooks.c selinux: add gfp argument to security_xfrm_policy_alloc and fix callers 2014-03-10 08:30:02 +01:00
Kconfig selinux: Deprecate and schedule the removal of the the compat_net functionality 2008-12-31 12:54:11 -05:00
Makefile selinux: change to new flag variable 2010-10-21 10:12:40 +11:00
netif.c net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
netlabel.c selinux: ensure that the cached NetLabel secattr matches the desired SID 2013-12-04 16:08:17 -05:00
netlink.c selinux: replace obsolete NLMSG_* with type safe nlmsg_* 2013-03-28 14:25:49 -04:00
netnode.c selinux: fix problems in netnode when BUG() is compiled out 2013-07-25 13:03:27 -04:00
netport.c SELinux: avc: remove the useless fields in avc_add_callback 2012-04-09 12:23:44 -04:00
nlmsgtab.c selinux: add SOCK_DIAG_BY_FAMILY to the list of netlink message types 2014-02-05 12:20:48 -05:00
selinuxfs.c selinux: add gfp argument to security_xfrm_policy_alloc and fix callers 2014-03-10 08:30:02 +01:00
xfrm.c selinux: add gfp argument to security_xfrm_policy_alloc and fix callers 2014-03-10 08:30:02 +01:00